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Nikon D800 vs Panasonic GM5

The Nikon D800 and the Panasonic Lumix DMC-GM5 are two digital cameras that were revealed to the public, respectively, in February 2012 and September 2014. The D800 is a DSLR, while the GM5 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (D800) and a Four Thirds (GM5) sensor. The Nikon has a resolution of 36.2 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Nikon D800
versus
Panasonic GM5
Nikon D800   Panasonic GM5
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
36.2 MP, Full Frame Sensor 15.8 MP, Four Thirds Sensor
1080/30p Video 1080/60p Video
ISO 100-6,400 (50 - 25,600) ISO 200-25,600
Optical viewfinder Electronic viewfinder (1166k dots)
3.2 LCD, 921k dots 3.0 LCD, 921k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
4 shutter flaps per second 5.8 shutter flaps per second
Weathersealed bodynot weather sealed
900 shots per battery charge220 shots per battery charge
146 x 123 x 82 mm, 1000 g 99 x 60 x 36 mm, 211 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D800 and the Panasonic Lumix DMC-GM5? 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.

Body comparison

An illustration of the physical size and weight of the Nikon D800 and the Panasonic GM5 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The GM5 can be obtained in two different colors (black, silver), while the D800 is only available in black.

Size Nikon D800 vs Panasonic GM5
Compare D800 versus GM5 top
Comparison D800 or GM5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM5 is considerably smaller (67 percent) than the Nikon D800. Moreover, the GM5 is substantially lighter (79 percent) than the D800. It is worth mentioning in this context that the D800 is splash and dust resistant, while the GM5 does not feature any corresponding weather-sealing.

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 Nikon Lens Catalog (D800) and the Micro Four Thirds Lens Catalog (GM5). Mirrorless cameras, such as the GM5, 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 D800 gets 900 shots out of its EN-EL15 battery, while the GM5 can take 220 images on a single charge of its DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999i
2.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749i
3.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i
4.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499i
5.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 i
6.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299i
7.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749i
8.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i
9.
 
Nikon D4 160 mm 157 mm 91 mm 1340 g 2600 Y Jan 2012 5,999i
10.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099i
11.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299i
12.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999i
13.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 649i
14.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
15.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749i
16.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699i
17.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899i
Notes: 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 GM5 was launched at a markedly lower price (by 75 percent) than the D800, 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D800 features a full frame sensor and the Panasonic GM5 a Four Thirds sensor. The sensor area in the GM5 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 D800 has a native 3:2 aspect ratio, while the one in the GM5 offers a 4:3 aspect.

Nikon D800 and Panasonic GM5 sensor measures

With 36.2MP, the D800 offers a higher resolution than the GM5 (15.8MP), but the D800 nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 3.77μm for the GM5) due to its larger sensor. However, the GM5 is a much more recent model (by 2 years and 7 months) than the D800, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Nikon D800 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D800 for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Panasonic GM5 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.

The Nikon D800 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. The corresponding ISO settings for the Panasonic Lumix DMC-GM5 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

D800 versus GM5 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the D800 provides substantially higher image quality than the GM5, with an overall score that is 29 points higher. This advantage is based on 3.2 bits higher color depth, 2.7 EV in additional dynamic range, and 2 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
2.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
3.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
4.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
5.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
6.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
7.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
8.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
9.
 
Nikon D4 Full Frame 16.2 4928 32801080/30p24.713.1296589
10.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
11.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
12.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
13.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p........
14.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
15.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
16.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
17.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the GM5 provides a faster frame rate than the D800. It can shoot movie footage at 1080/60p, while the Nikon is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GM5 has an electronic viewfinder (1166k dots), while the D800 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 D800 has a higher magnification than the one of the GM5 (0.70x vs 0.46x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D800, the Panasonic GM5, and comparable cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D800optical Y3.2 / 921 fixed n 1/8000s 4.0 Y n
2.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8 n n
3.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0 n n
4.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0 n n
5.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0 n n
6.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0 Y n
7.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5 n n
8.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0 Y n
9.
 
Nikon D4optical Y3.2 / 921 fixed n 1/8000s 11.0 n n
10.
 
Nikon D600optical Y3.0 / 921 fixed n 1/4000s 5.5 Y n
11.
 
Nikon D800Eoptical Y3.2 / 921 fixed n 1/8000s 4.0 Y n
12.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0 Y n
13.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0 Y n
14.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0 Y n
15.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0 Y n
16.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2 Y n
17.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0 Y n

One difference between the cameras concerns the presence of an on-board flash. The D800 has one, while the GM5 does not. While the built-in flash of the D800 is not very powerful, it can at times be useful as a fill-in light.

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 GM5 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 Nikon D800 and the Panasonic GM5 both have 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 D800 writes its imaging data to Compact Flash or SDXC cards, while the GM5 uses SDXC cards. The D800 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GM5 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 Nikon D800 and Panasonic Lumix DMC-GM5 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D800Ymono / monoYYmini3.0---
2.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
3.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
4.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
5.
 
Nikon D850Ystereo / monoYYmini3.0YYY
6.
 
Nikon D810Ystereo / monoYYmini3.0Y--
7.
 
Nikon DfY- / ---mini2.0---
8.
 
Nikon D610Ymono / monoYYmini2.0---
9.
 
Nikon D4Ymono / monoYYmicro2.0---
10.
 
Nikon D600Ymono / monoYYmini2.0---
11.
 
Nikon D800EYmono / monoYYmini3.0---
12.
 
Nikon D700Y- / ---mini2.0---
13.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
14.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
15.
 
Panasonic GM1-stereo / mono--micro2.0Y--
16.
 
Panasonic GX1Ystereo / mono--mini2.0---
17.
 
Panasonic GH2Ystereo / monoY-mini2.0---

It is notable that the D800 has a microphone port, which is missing on the GM5. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Nikon D800 (unlike the GM5) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D800 and the GM5 have been discontinued, but can regularly be found used on eBay. The D800 was replaced by the Nikon D810, while the GM5 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Panasonic websites.

Review summary

So how do things add up? Which of the two cameras – the Nikon D800 or the Panasonic GM5 – 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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Arguments in favor of the Nikon D800:

  • More detail: Offers more megapixels (36.2 vs 15.8MP) with a 54% higher linear resolution.
  • Better image quality: Scores substantially higher (29 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.7 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.46x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
  • Longer lasting: Can take more shots (900 versus 220) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in February 2012).

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Reasons to prefer the Panasonic Lumix DMC-GM5:

  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (5.8 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (99x60mm vs 146x123mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 789g or 79 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced into a lower priced category (75 percent cheaper at launch).
  • More modern: Reflects 2 years and 7 months of technical progress since the D800 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the D800 is the clear winner of the match-up (19 : 11 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

D800 19:11 GM5

How about other alternatives? Do the specifications of the Nikon D800 and the Panasonic GM5 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D800 or the GM5. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D8005/5+ +..82/1005/55/5 Feb 2012 2,999i
2.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 749i
3.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 i
4.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499i
5.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 i
6.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299i
7.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749i
8.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999 i
9.
 
Nikon D4........4.5/54.5/5 Jan 2012 5,999i
10.
 
Nikon D6004/5+ +..87/1005/54.5/5 Sep 2012 2,099i
11.
 
Nikon D800E......84/1005/55/5 Feb 2012 3,299i
12.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 2,999i
13.
 
Panasonic G74/5+ +..80/1005/54.5/5 May 2015 649i
14.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599i
15.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 749i
16.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699i
17.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899i
Notes: (+ +) 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D800:
Check Ebay offers
Panasonic GM5:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Nikon D800 vs Panasonic GM5

    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 Nikon D800 Panasonic GM5
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date February 2012 September 2014
    Launch Price USD 2,999 USD 749
    Sensor Specs Nikon D800 Panasonic GM5
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 35.9 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 861.6 mm2 224.9 mm2
    Sensor Diagonal 43.2 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 36.2 Megapixels 15.8 Megapixels
    Image Resolution 7360 x 4912 pixels 4592 x 3448 pixels
    Pixel Pitch 4.88 μm 3.77 μm
    Pixel Density 4.20 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 50 - 25,600 ISO 100 - 25,600 ISO
    Image Processor EXPEED 3 Venus
    DXO Sensor Quality (score) 95 66
    DXO Color Depth (bits) 25.3 22.1
    DXO Dynamic Range (EV) 14.4 11.7
    DXO Low Light (ISO) 2853 721
    Screen Specs Nikon D800 Panasonic GM5
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.46x
    Viewfinder Resolution 1166k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 921k dots 921k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D800 Panasonic GM5
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/500s
    Continuous Shooting 4 shutter flaps/s 5.8 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon D800 Panasonic GM5
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D800 Panasonic GM5
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL15 DMW-BLH7
    Battery Life (CIPA)900 shots per charge220 shots per charge
    Body Dimensions 146 x 123 x 82 mm
    (5.7 x 4.8 x 3.2 in)
    99 x 60 x 36 mm
    (3.9 x 2.4 x 1.4 in)
    Camera Weight 1000 g (35.3 oz) 211 g (7.4 oz)

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