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Canon 5D Mark IV vs Pentax K-3 III

The Canon EOS 5D Mark IV and the Pentax K-3 III are two digital cameras that were revealed to the public, respectively, in August 2016 and March 2021. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (5D Mark IV) and an APS-C (K-3 III) sensor. The Canon has a resolution of 30.1 megapixels, whereas the Pentax provides 25.6 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 IV
versus
Pentax K-3 III
Canon 5D Mark IV   Pentax K-3 III
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Pentax K mount lenses
30.1 MP – Full Frame sensor 25.6 MP – APS-C sensor
4K/30p Video 4K/30p Video
ISO 100-32,000 (50 - 102,400) ISO 100-160,000
Optical viewfinder Optical viewfinder
3.2" LCD – 1620k dots 3.2" LCD – 1620k dots
Fixed touchscreen Fixed touchscreen
7 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
900 shots per battery charge800 shots per battery charge
151 x 116 x 76 mm, 890 g 135 x 104 x 74 mm, 820 g
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Check 5D Mark IV price at
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Check K-3 III price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark IV and the Pentax K-3 III? 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

The physical size and weight of the Canon 5D Mark IV and the Pentax K-3 III are illustrated 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 size dimensions are rounded to the nearest millimeter.

The K-3 III can be obtained in two different colors (black, silver), while the 5D Mark IV is only available in black.

Size Canon 5D Mark IV vs Pentax K-3 III
Compare 5D Mark IV versus K-3 III top
Comparison 5D Mark IV or K-3 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably smaller (20 percent) than the Canon 5D Mark IV. Moreover, the K-3 III is markedly lighter (8 percent) than the 5D Mark IV. 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 5D Mark IV gets 900 shots out of its LP-E6N battery, while the K-3 III can take 800 images on a single charge of its D-LI90 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
5.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199ebay.com
6.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 amazon.com
7.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 amazon.com
8.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
9.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
10.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
11.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
12.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299ebay.com
13.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
14.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099ebay.com
15.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649 amazon.com
16.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
17.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-3 III was launched at a markedly lower price (by 43 percent) than the 5D Mark IV, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 5D Mark IV features a full frame sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 58 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 5D Mark IV and Pentax K-3 III sensor measures

With 30.1MP, the 5D Mark IV offers a higher resolution than the K-3 III (25.6MP), but the 5D Mark IV nevertheless has larger individual pixels (pixel pitch of 5.36μm versus 3.76μm for the K-3 III) due to its larger sensor. However, the K-3 III is a much more recent model (by 4 years and 7 months) than the 5D Mark IV, 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 K-3 III 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 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark IV for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inches or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inches or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inches or 56.9 x 37.9 cm. The corresponding values for the Pentax K-3 III are 31 x 20.6 inches or 78.6 x 52.4 cm for good quality, 24.8 x 16.5 inches or 62.9 x 41.9 cm for very good quality, and 20.6 x 13.8 inches or 52.4 x 35 cm for excellent quality prints.

The 5D Mark IV has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the 5D Mark IV, the K-3 III has the capacity to capture high quality composite images (YESMP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS 5D Mark IV has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (no boost).

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 IV versus K-3 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
5.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
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 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
9.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
10.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
11.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
12.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
13.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
14.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
15.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
16.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
17.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 5D Mark IV and the K-3 III are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the 5D Mark IV has a higher magnification than the one of the K-3 III (0.71x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 5D Mark IV and Pentax K-3 III along with similar information for a selection of comparators.

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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)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
4.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
5.
 
Canon 80Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y 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 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
9.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
10.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
11.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
12.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0/s Y n
13.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
14.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
15.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
16.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
17.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the K-3 III and the 5D Mark IV is in-body image stabilization (IBIS). The K-3 III reduces the risk of handshake-induced blur with all attached lenses, while the 5D Mark IV offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The Canon 5D Mark IV and the Pentax K-3 III 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 5D Mark IV writes its imaging data to Compact Flash or SDXC cards, while the K-3 III uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The K-3 III supports UHS-II cards (on its first slot), while the 5D Mark IV can use UHS-I cards.

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 IV and Pentax K-3 III 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.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
4.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
5.
 
Canon 80DYstereo / monoYYmini2.0YY-
6.
 
Canon 5DSYmono / monoY-mini3.0---
7.
 
Canon 5DS RYmono / monoY-mini3.0---
8.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
9.
 
Canon 6DYmono / monoY-mini2.0Y--
10.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
11.
 
Nikon D850Ystereo / monoYYmini3.0YYY
12.
 
Nikon D810Ystereo / monoYYmini3.0Y--
13.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
14.
 
Pentax KPYstereo / monoY--2.0Y--
15.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
16.
 
Pentax K-3 IIYmono / monoYYmini3.0---
17.
 
Pentax K-3Ymono / monoYYmini3.0---

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

Travel and landscape photographers will find it useful that both cameras feature internal geolocalization sensors and can record GPS coordinates in their EXIF data.

Both the 5D Mark IV and the K-3 III are recent models that are part of the current product line-up. The 5D Mark IV replaced the earlier Canon 5D Mark III, while the K-3 III followed on from the Pentax K-3 II. Further information on the features and operation of the 5D Mark IV and K-3 III can be found, respectively, in the Canon 5D Mark IV Manual (free pdf) or the online Pentax K-3 III Manual.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 5D Mark IV and the Pentax K-3 III? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS 5D Mark IV:

  • More detail: Offers more megapixels (30.1 vs 25.6MP) with a 9% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.70x).
  • Longer lasting: Can take more shots (900 versus 800) on a single battery charge.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been available for much longer (launched in August 2016).

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Advantages of the Pentax K-3 III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Faster burst: Shoots at higher frequency (12 vs 7 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (135x104mm vs 151x116mm) and will fit more readily into a bag.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More affordable: Was introduced into a lower priced category (43 percent cheaper at launch).
  • More modern: Reflects 4 years and 7 months of technical progress since the 5D Mark IV launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-3 III emerges as the winner of the match-up (9 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision 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.

5D Mark IV 07:09 K-3 III

How about other alternatives? Do the specifications of the Canon 5D Mark IV and the Pentax K-3 III place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 says little about, for example, the shooting experience and imaging performance of the 5D Mark IV and the K-3 III 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 hands-on reviews by experts 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
3.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
5.
 
Canon 80D4/5+ +4.5/584/1004.5/54.5/5 Feb 2016 1,199ebay.com
6.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699 amazon.com
7.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 amazon.com
8.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
9.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
10.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
11.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
12.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299ebay.com
13.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
14.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.com
15.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649 amazon.com
16.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
17.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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 IV price at
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Check K-3 III price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. 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: Canon 5D Mark IV vs Pentax K-3 III

    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 IV Pentax K-3 III
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Pentax K mount lenses
    Launch Date August 2016 March 2021
    Launch Price USD 3,499 USD 1,999
    Sensor Specs Canon 5D Mark IV Pentax K-3 III
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 36.0 x 24.0 mm 23.3 x 15.5 mm
    Sensor Area 864 mm2 361.15 mm2
    Sensor Diagonal 43.3 mm 28 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 30.1 Megapixels 25.6 Megapixels
    Image Resolution 6720 x 4480 pixels 6192 x 4128 pixels
    Pixel Pitch 5.36 μm 3.76 μm
    Pixel Density 3.48 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 32,000 ISO 100 - 160,000 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor DIGIC 6+ PRIME V
    DXO Sensor Quality (score) 91 ..
    DXO Color Depth (bits) 24.8 ..
    DXO Dynamic Range (EV) 13.6 ..
    DXO Low Light (ISO) 2995 ..
    Screen Specs Canon 5D Mark IV Pentax K-3 III
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.70x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 1620k dots 1620k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark IV Pentax K-3 III
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 7 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy150 000 actuations200 000 actuations
    Time-Lapse PhotographyIntervalometer built-inIntervalometer 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 UHS-I Single UHS-II
    Connectivity Specs Canon 5D Mark IV Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 3.2
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support no Bluetooth Bluetooth built-in
    Geotagging GPS built-in GPS built-in
    Body Specs Canon 5D Mark IV Pentax K-3 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E6N D-LI90
    Battery Life (CIPA)900 shots per charge800 shots per charge
    Body Dimensions 151 x 116 x 76 mm
    (5.9 x 4.6 x 3.0 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 890 g (31.4 oz) 820 g (28.9 oz)
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    Check 5D Mark IV price at
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    Check K-3 III price at
    amazon.com

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