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Canon 5D Mark III vs Panasonic GH5

The Canon EOS 5D Mark III and the Panasonic Lumix DC-GH5 are two digital cameras that were announced, respectively, in March 2012 and January 2017. The 5D Mark III is a DSLR, while the GH5 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (5D Mark III) and a Four Thirds (GH5) sensor. The Canon has a resolution of 22.1 megapixels, whereas the Panasonic provides 20.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 5D Mark III
versus
Panasonic GH5
Canon 5D Mark III   Panasonic GH5
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
22.1 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
1080/30p Video 4K/60p Video
ISO 100-25,600 (50 - 102,400) ISO 200-25,600
Optical viewfinder Electronic viewfinder (3680k dots)
3.2" LCD – 1040k dots 3.2" LCD – 1620k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
6 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
950 shots per battery charge410 shots per battery charge
152 x 116 x 76 mm, 950 g 139 x 98 x 87 mm, 725 g
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Check 5D Mark III offers at
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Check GH5 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark III and the Panasonic Lumix DC-GH5? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Canon 5D Mark III and the Panasonic GH5 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Canon 5D Mark III vs Panasonic GH5
Compare 5D Mark III versus GH5 top
Comparison 5D Mark III or GH5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GH5 is notably smaller (23 percent) than the Canon 5D Mark III. Moreover, the GH5 is markedly lighter (24 percent) than the 5D Mark III. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (5D Mark III) and the Micro Four Thirds Lens Catalog (GH5). Mirrorless cameras, such as the GH5, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 5D Mark III gets 950 shots out of its Canon LP-E6 battery, while the GH5 can take 410 images on a single charge of its Panasonic DMW-BLF19 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 US$ 3 499ebay.com
2.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 US$ 1 999ebay.com
3.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 US$ 3 299ebay.com
4.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 US$ 3 499ebay.com
5.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 US$ 3 499 amazon.com
6.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
7.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
8.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 US$ 2 099ebay.com
9.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 US$ 2 099ebay.com
10.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 US$ 1 999ebay.com
11.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 US$ 2 999ebay.com
12.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 US$ 3 299ebay.com
13.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
14.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 US$ 1 699ebay.com
15.
 
Panasonic G85 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 US$ 899ebay.com
16.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 US$ 1 499ebay.com
17.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 US$ 1 699 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GH5 was launched at a markedly lower price (by 43 percent) than the 5D Mark III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 5D Mark III features a full frame sensor and the Panasonic GH5 a Four Thirds sensor. The sensor area in the GH5 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the 5D Mark III has a native 3:2 aspect ratio, while the one in the GH5 offers a 4:3 aspect.

Canon 5D Mark III and Panasonic GH5 sensor measures

With 22.1MP, the 5D Mark III offers a slightly higher resolution than the GH5 (20.2MP), but the 5D Mark III nevertheless has larger individual pixels (pixel pitch of 6.25μm versus 3.34μm for the GH5) due to its larger sensor. However, the GH5 is a much more recent model (by 4 years and 10 months) than the 5D Mark III, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the GH5 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon 5D Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark III for good quality output (200 dots per inch) amounts to 28.8 x 19.2 inches or 73.2 x 48.8 cm, for very good quality (250 dpi) 23 x 15.4 inches or 58.5 x 39 cm, and for excellent quality (300 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 cm. The corresponding values for the Panasonic GH5 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The Canon EOS 5D Mark III has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Panasonic Lumix DC-GH5 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

5D Mark III versus GH5 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 5D Mark III has a notably higher overall DXO score than the GH5 (overall score 4 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.1 bits higher color depth, 1.3 EV of lower dynamic range, and 1.5 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
2.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
3.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.1136871
4.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
5.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
6.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
7.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
8.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
9.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
10.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
11.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
12.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
13.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
14.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
15.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
16.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
17.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the GH5 provides a better video resolution than the 5D Mark III. It can shoot movie footage at 4K/60p, while the Canon is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GH5 has an electronic viewfinder (3680k dots), while the 5D Mark III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the GH5 has a higher magnification than the one of the 5D Mark III (0.76x vs 0.71x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 5D Mark III and Panasonic GH5 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
2.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
3.
 
Canon 5Doptical Y2.5 / 230 fixed n 1/8000s 3.0/s n n
4.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
5.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
6.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
7.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
8.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
9.
 
Nikon D600optical Y3.0 / 921 fixed n 1/4000s 5.5/s Y n
10.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
11.
 
Nikon D800optical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
12.
 
Nikon D800Eoptical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
13.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
14.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
15.
 
Panasonic G852360 n3.0 / 1040 swivel Y 1/4000s 9.0/s Y Y
16.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
17.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 5D Mark III, but is missing on the GH5 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The GH5 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 5D Mark III does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the GH5 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Panasonic GH5 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 5D Mark III writes its imaging data to Compact Flash or SDXC cards, while the GH5 uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The GH5 supports UHS-II cards (on both slots), while the 5D Mark III cannot take advantage of Ultra High Speed SD cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 5D Mark III and Panasonic Lumix DC-GH5 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
2.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
3.
 
Canon 5DY- / ----2.0---
4.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
5.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
6.
 
Canon 5DSYmono / monoY-mini3.0---
7.
 
Canon 5DS RYmono / monoY-mini3.0---
8.
 
Canon 6DYmono / monoY-mini2.0Y--
9.
 
Nikon D600Ymono / monoYYmini2.0---
10.
 
Nikon D610Ymono / monoYYmini2.0---
11.
 
Nikon D800Ymono / monoYYmini3.0---
12.
 
Nikon D800EYmono / monoYYmini3.0---
13.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
14.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
15.
 
Panasonic G85Ystereo / monoY-micro2.0Y--
16.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
17.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y

It is notable that the GH5 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 5D Mark III does not provide wifi capability.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Both the 5D Mark III and the GH5 have been discontinued, but can regularly be found used on ebay. The 5D Mark III was replaced by the Canon 5D Mark IV, while the GH5 was followed by the Panasonic GH5 II. Further information on the features and operation of the 5D Mark III and GH5 can be found, respectively, in the Canon 5D Mark III Manual (free pdf) or the online Panasonic GH5 Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon 5D Mark III or the Panasonic GH5 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS 5D Mark III:

  • More detail: Offers more megapixels (22.1 vs 20.2MP) with a 7% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1.5 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Longer lasting: Can take more shots (950 versus 410) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in March 2012).

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Reasons to prefer the Panasonic Lumix DC-GH5:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/30p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.71x).
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1040k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (12 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (139x98mm vs 152x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 225g or 24 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More affordable: Was introduced into a lower priced category (43 percent cheaper at launch).
  • More modern: Reflects 4 years and 10 months of technical progress since the 5D Mark III launch.

If the number of relative strengths (bullet points above) is taken as a guide, the GH5 is the clear winner of the contest (23 : 8 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

5D Mark III 08:23 GH5

How about other alternatives? Do the specifications of the Canon 5D Mark III and the Panasonic GH5 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 5D Mark III and the GH5 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 US$ 3 499ebay.com
2.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
3.
 
Canon 5D..88/100..+ +o.. Aug 2005 US$ 3 299ebay.com
4.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 US$ 3 499ebay.com
5.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 US$ 3 499 amazon.com
6.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 US$ 3 699ebay.com
7.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
8.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 US$ 2 099ebay.com
9.
 
Nikon D6004/5+ +..87/1005/54.5/5 Sep 2012 US$ 2 099ebay.com
10.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 US$ 1 999ebay.com
11.
 
Nikon D8005/5+ +..82/1005/55/5 Feb 2012 US$ 2 999ebay.com
12.
 
Nikon D800E......84/1005/55/5 Feb 2012 US$ 3 299ebay.com
13.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
14.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 US$ 1 699ebay.com
15.
 
Panasonic G85..+ +..84/1005/54.5/5 Sep 2016 US$ 899ebay.com
16.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 US$ 1 499ebay.com
17.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 US$ 1 699 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check 5D Mark III offers at
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Check GH5 offers at
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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 5D Mark III vs Panasonic GH5

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 5D Mark III Panasonic GH5
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date March 2012 January 2017
    Launch Price USD 3,499 USD 1,999
    Sensor Specs Canon 5D Mark III Panasonic GH5
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 864 mm2 224.9 mm2
    Sensor Diagonal 43.3 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 22.1 Megapixels 20.2 Megapixels
    Image Resolution 5760 x 3840 pixels 5184 x 3888 pixels
    Pixel Pitch 6.25 μm 3.34 μm
    Pixel Density 2.56 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 4K/60p Video
    ISO Setting 100 - 25,600 ISO 200 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO 100 - 25,600 ISO
    Image Processor DIGIC 5+ Venus 10
    DXO Sensor Quality (score) 81 77
    DXO Color Depth (bits) 24.0 23.9
    DXO Dynamic Range (EV) 11.7 13.0
    DXO Low Light (ISO) 2293 807
    Screen Specs Canon 5D Mark III Panasonic GH5
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.76x
    Viewfinder Resolution 3680k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 1040k dots 1620k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark III Panasonic GH5
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support no Dual UHS-II
    Connectivity Specs Canon 5D Mark III Panasonic GH5
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 5D Mark III Panasonic GH5
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E6 Panasonic DMW-BLF19
    Battery Life (CIPA)950 shots per charge410 shots per charge
    Body Dimensions 152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    139 x 98 x 87 mm
    (5.5 x 3.9 x 3.4 in)
    Camera Weight 950 g (33.5 oz) 725 g (25.6 oz)
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