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Panasonic GH5s vs Pentax K-3 II

The Panasonic Lumix DC-GH5s and the Pentax K-3 II are two enthusiast cameras that were officially introduced, respectively, in January 2018 and April 2015. The GH5s is a mirrorless interchangeable lens camera, while the K-3 II is a DSLR. The cameras are based on a Four Thirds (GH5s) and an APS-C (K-3 II) sensor. The Panasonic has a resolution of 9.9 megapixels, whereas the Pentax provides 24.1 MP.

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

Headline Specifications
Panasonic GH5s   Pentax K-3 II
Panasonic GH5s Pentax K-3 II
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
9.9 MP, Four Thirds Sensor 24.1 MP, APS-C Sensor
4K/60p Video 1080/60i Video
ISO 160-51200 (80-204800) ISO 100-51200
Electronic viewfinder (3680k dots) Optical viewfinder
3.2" LCD, 1620k dots 3.2" LCD, 1037k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
12 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
440 shots per battery charge720 shots per battery charge
139 x 98 x 87 mm, 660 g 131 x 100 x 77 mm, 800 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-GH5s and the Pentax K-3 II? 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: Panasonic GH5s vs Pentax K-3 II

The physical size and weight of the Panasonic GH5s and the Pentax K-3 II 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.

The K-3 II can be obtained in two different colors (black, silver), while the GH5s is only available in black.

Size Panasonic GH5s vs Pentax K-3 II
Compare GH5s versus K-3 II top
Comparison GH5s or K-3 II 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 II is somewhat smaller (4 percent) than the Panasonic GH5s. However, the K-3 II is markedly heavier (21 percent) than the GH5s. 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 GH5s gets 440 shots out of its DMW-BLF19 battery, while the K-3 II can take 720 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 would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic GH5s» 5.5 in 3.9 in 3.4 in 23.3 oz 440 Y Jan 2018 2,499 i i Panasonic GH5s
 
Pentax K-3 II« 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i i Pentax K-3 II
 
Canon R« » 5.5 in 3.9 in 3.3 in 23.3 oz 370 Y Sep 2018 2,299 i i Canon R
 
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
 
Panasonic G9« » 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i i Panasonic G9
 
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i Panasonic GH5
 
Panasonic FZ300« » 5.2 in 3.6 in 4.6 in 24.4 oz 380 Y Jul 2015 599 i i Panasonic FZ300
 
Panasonic GH4« » 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499- i Panasonic GH4
 
Panasonic GF5« » 4.3 in 2.6 in 1.5 in 9.4 oz 360 n Apr 2012 499- i Panasonic GF5
 
Panasonic GH3« » 5.2 in 3.7 in 3.2 in 19.4 oz 540 Y Sep 2012 1,299- i Panasonic GH3
 
Panasonic GF3« » 4.3 in 2.6 in 1.3 in 9.3 oz 300 n Jun 2011 549- i Panasonic GF3
 
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499- i Panasonic G10
 
Panasonic G2« » 4.9 in 3.3 in 2.9 in 15.1 oz 360 n Mar 2010 599- i Panasonic G2
 
Pentax KP« » 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« » 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i i Pentax K-70
 
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299- i Pentax K-3
 
Pentax K-5« » 5.2 in 3.8 in 2.9 in 26.8 oz 740 Y Sep 2010 1,099- i Pentax K-5
Note: Measurements and pricing do not include easily detachable parts, such as 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 K-3 II was launched at a markedly lower price (by 56 percent) than the GH5s, 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: Panasonic GH5s vs Pentax K-3 II

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 Panasonic GH5s features a Four Thirds sensor and the Pentax K-3 II an APS-C sensor. The sensor area in the K-3 II is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GH5s has a native 4:3 aspect ratio, while the one in the K-3 II offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Panasonic GH5s and Pentax K-3 II sensor measures

With 24.1MP, the K-3 II offers a higher resolution than the GH5s (9.9MP), but the K-3 II has smaller individual pixels (pixel pitch of 3.90μm versus 4.77μm for the GH5s). Yet, the GH5s is a much more recent model (by 2 years and 8 months) than the K-3 II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Pentax K-3 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 II for good quality output (200 dots per inch) amounts to 30.1 x 20 inch or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inch or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inch or 50.9 x 33.9 cm. The corresponding values for the Panasonic GH5s are 18.4 x 13.5 inch or 46.7 x 34.3 cm for good quality, 14.7 x 10.8 inch or 37.4 x 27.4 cm for very good quality, and 12.3 x 9 inch or 31.2 x 22.9 cm for excellent quality prints.

Unlike the GH5s, the K-3 II has the capacity to capture high quality composite images 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 Panasonic Lumix DC-GH5s has a native sensitivity range from ISO 160 to ISO 51200, which can be extended to ISO 80-204800. The corresponding ISO settings for the Pentax K-3 II are ISO 100 to ISO 51200 (no boost).

GH5s versus K-3 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Panasonic GH5s» Four Thirds 9.9 3680 27004K/60p----Panasonic GH5s
 
Pentax K-3 II« APS-C 24.1 6016 40001080/60i23.613.6110680Pentax K-3 II
 
Canon R« » Full Frame 30.1 6720 44804K/30p24.513.5274289Canon R
 
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
 
Panasonic G9« » Four Thirds 20.2 5184 38884K/60p----Panasonic G9
 
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Panasonic FZ300« » 1/2.3 12.0 4000 30004K/30p19.311.09738Panasonic FZ300
 
Panasonic GH4« » Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
 
Panasonic GF5« » Four Thirds 12.0 4000 30001080/60i21.411.661861Panasonic GF5
 
Panasonic GH3« » Four Thirds 15.9 4608 34561080/60p22.712.481271Panasonic GH3
 
Panasonic GF3« » Four Thirds 12.0 4000 30001080/60i20.610.045849Panasonic GF3
 
Panasonic G10« » Four Thirds 12.0 4000 3000720/30p21.210.141152Panasonic G10
 
Panasonic G2« » Four Thirds 12.0 4000 3000720/30p21.210.349353Panasonic G2
 
Pentax KP« » APS-C 24.1 6016 40001080/60i----Pentax KP
 
Pentax K-70« » APS-C 24.0 6000 40001080/60i----Pentax K-70
 
Pentax K-3« » APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
 
Pentax K-5« » APS-C 16.1 4928 32641080/25p23.714.1116282Pentax K-5

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GH5s provides a higher video resolution than the K-3 II. It can shoot video footage at 4K/60p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Panasonic GH5s vs Pentax K-3 II

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GH5s has an electronic viewfinder (3680k dots), while the K-3 II 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 GH5s has a higher magnification than the one of the K-3 II (0.76x vs 0.63x), 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 Panasonic GH5s and Pentax K-3 II in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('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
Camera
Model
 
Panasonic GH5s»3680 n 3.2 1620 swivel Y 1/8000s 12.0 n n Panasonic GH5s
 
Pentax K-3 II«optical Y 3.2 1037 fixed n 1/8000s 8.3 n Y Pentax K-3 II
 
Canon R« »3690 Y 3.2 2100 swivel Y 1/8000s 8.0 n n Canon R
 
Canon 80D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 80D
 
Panasonic G9« »3680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y Panasonic G9
 
Panasonic GH5« »3680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
Panasonic FZ300« »1440 n 3.0 1040 swivel Y 1/4000s 12.0 Y Y Panasonic FZ300
 
Panasonic GH4« »2359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n Panasonic GH4
 
Panasonic GF5« »- n 3.0 920 fixed Y 1/4000s 4.0 Y n Panasonic GF5
 
Panasonic GH3« »1746 n 3.0 614 swivel Y 1/4000s 6.0 Y n Panasonic GH3
 
Panasonic GF3« »- n 3.0 460 fixed Y 1/4000s 3.2 Y n Panasonic GF3
 
Panasonic G10« »202 n 3.0 460 fixed n 1/4000s 2.6 Y n Panasonic G10
 
Panasonic G2« »1440 n 3.0 460 swivel Y 1/4000s 2.6 Y n Panasonic G2
 
Pentax KP« »optical n 3.0 921 tilting n 1/6000s 7.0 Y Y Pentax KP
 
Pentax K-70« »optical n 3.0 921 swivel n 1/6000s 6.0 Y Y Pentax K-70
 
Pentax K-3« »optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y Pentax K-3
 
Pentax K-5« »optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y Pentax K-5

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GH5s has a touchscreen, while the K-3 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The GH5s has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-3 II 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 GH5s 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 GH5s and the Pentax K-3 II 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.

Concerning the storage of imaging data, both the GH5s and the K-3 II write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The GH5s supports UHS-II cards (on both slots), while the K-3 II can use UHS-I cards.

 

Connectivity comparison: Panasonic GH5s vs Pentax K-3 II

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 Panasonic Lumix DC-GH5s and Pentax K-3 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Panasonic GH5s»YstereomonoYYfull3.1Y-YPanasonic GH5s
 
Pentax K-3 II«YmonomonoYYmini3.0---Pentax K-3 II
 
Canon R« »YstereomonoY-mini3.1Y-YCanon R
 
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
 
Panasonic G9« »YstereomonoYYfull3.0Y-YPanasonic G9
 
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic FZ300« »YstereomonoY-mini2.0Y--Panasonic FZ300
 
Panasonic GH4« »YstereomonoYYmicro2.0YY-Panasonic GH4
 
Panasonic GF5« »-stereomono--mini2.0---Panasonic GF5
 
Panasonic GH3« »YstereomonoYYmini2.0Y--Panasonic GH3
 
Panasonic GF3« »-stereomono--mini2.0---Panasonic GF3
 
Panasonic G10« »Ymono---mini2.0---Panasonic G10
 
Panasonic G2« »Ystereomono--mini2.0---Panasonic G2
 
Pentax KP« »YstereomonoY--2.0Y--Pentax KP
 
Pentax K-70« »YstereomonoY-mini2.0Y--Pentax K-70
 
Pentax K-3« »YmonomonoYYmini3.0---Pentax K-3
 
Pentax K-5« »YstereomonoY-mini2.0---Pentax K-5

It is notable that the GH5s offers wifi support, while the K-3 II does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

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

Both the GH5s and the K-3 II are recent models that are part of the current product line-up. The K-3 II replaced the earlier Pentax K-3, while the GH5s does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Pentax websites.


Review summary: Panasonic GH5s vs Pentax K-3 II

So what is the bottom line? Is there a clear favorite between the Panasonic GH5s and the Pentax K-3 II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Panasonic Lumix DC-GH5s:

  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60i).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.63x).
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1037k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (12 vs 8.3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Is lighter (by 140g or 17 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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 a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 2 years and 8 months of technical progress since the K-3 II launch.

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Arguments in favor of the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 9.9MP), which boosts linear resolution by 58%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (720 versus 440) out of a single battery charge.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in April 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the GH5s is the clear winner of the match-up (16 : 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.

GH5s 16:08 K-3 II

How about other alternatives? Do the specifications of the Panasonic GH5s and the Pentax K-3 II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 GH5s or the K-3 II. 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: Panasonic GH5s vs Pentax K-3 II

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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic GH5s»-84/1004.5/55/54.5/5 Jan 2018 2,499 i i Panasonic GH5s
 
Pentax K-3 II«--5/54.5/55/5 Apr 2015 1,099 i i Pentax K-3 II
 
Canon R« »o79/1004.5/54/54/5 Sep 2018 2,299 i i Canon R
 
Canon 80D« »+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
 
Panasonic G9« »+ +85/1005/55/55/5 Nov 2017 1,699 i i Panasonic G9
 
Panasonic GH5« »+ +85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
 
Panasonic FZ300« »+ +-4.5/54.5/54.5/5 Jul 2015 599 i i Panasonic FZ300
 
Panasonic GH4« »+ +85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
 
Panasonic GF5« »--4.5/54/54.5/5 Apr 2012 499- i Panasonic GF5
 
Panasonic GH3« »+ +79/1004.5/55/54.5/5 Sep 2012 1,299- i Panasonic GH3
 
Panasonic GF3« »82/10071/1004.5/54.5/54/5 Jun 2011 549- i Panasonic GF3
 
Panasonic G10« »-70/1004/5-4/5 Mar 2010 499- i Panasonic G10
 
Panasonic G2« »-72/1004/54/54.5/5 Mar 2010 599- i Panasonic G2
 
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« »-79/1004.5/54/54.5/5 Jun 2016 649 i i Pentax K-70
 
Pentax K-3« »-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
 
Pentax K-5« »-83/1005/54.5/54.5/5 Sep 2010 1,099- i Pentax K-5
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Panasonic GH5s:
Check Amazon price
Pentax K-3 II:
Check Amazon price

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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Panasonic GH5s vs Pentax K-3 II

    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 Panasonic GH5s Pentax K-3 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date January 2018 April 2015
    Launch Price USD 2499 USD 1099
    Sensor Specs Panasonic GH5s Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 9.9 Megapixels 24.1 Megapixels
    Image Resolution 3680 x 2700 pixels 6016 x 4000 pixels
    Pixel Pitch 4.77 μm 3.90 μm
    Pixel Density 4.42 MP/cm2 6.56 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 1080/60i Video
    ISO Setting 160-51200 ISO 100-51200 ISO
    ISO Boost 80-204800 ISO no Enhancement
    Image Processor Venus 10 PRIME III
    DXO Sensor Quality (score) .. 80
    DXO Color Depth (bits) .. 23.6
    DXO Dynamic Range (EV) .. 13.6
    DXO Low Light (ISO) .. 1106
    Screen Specs Panasonic GH5s Pentax K-3 II
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.63x
    Viewfinder Resolution 3680k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.2 inch
    LCD Resolution 1620k dots 1037k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GH5s Pentax K-3 II
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 12 shutter flaps/s 8.3 shutter flaps/s
    Shutter Life Expectancy200 000 actuations200 000 actuations
    Electronic Shutterup to 1/16000sno E-Shutter
    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 SDXC cards SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Panasonic GH5s Pentax K-3 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 3.0
    HDMI Port full HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging GPS built-in
    Body Specs Panasonic GH5s Pentax K-3 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type DMW-BLF19 power pack D-LI90 power pack
    Battery Life (CIPA)440 shots per charge720 shots per charge
    Body Dimensions 139 x 98 x 87 mm
    (5.5 x 3.9 x 3.4 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 660 g (23.3 oz) 800 g (28.2 oz)

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