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Fujifilm GFX 100 II vs Pentax K-1 II

The Fujifilm GFX 100 II and the Pentax K-1 II are two digital cameras that were revealed to the public, respectively, in September 2023 and February 2018. The GFX 100 II is a mirrorless interchangeable lens camera, while the K-1 II is a DSLR. The cameras are based on a medium format (GFX 100 II) and a full frame (K-1 II) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Pentax provides 36.2 MP.

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

Headline Specifications
Fujifilm GFX 100 II
versus
Pentax K-1 II
Fujifilm GFX 100 II   Pentax K-1 II
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax K mount lenses
101.8 MP – Medium Format sensor 36.2 MP – Full Frame sensor
8K/30p Video 1080/60i Video
ISO 100-12,800 (50 - 102,400) ISO 100-819,200
Electronic viewfinder (9440k dots) Optical viewfinder
3.2" LCD – 2360k dots 3.2" LCD – 1037k dots
Fully flexible touchscreen Fully flexible screen (no touchscreen)
8 shutter flaps per second 4.4 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
540 shots per battery charge670 shots per battery charge
152 x 117 x 99 mm, 1030 g 137 x 110 x 86 mm, 1010 g
logo
Check GFX 100 II price at
amazon.com
logo
Check K-1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100 II and the Pentax K-1 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.

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Body comparison

The physical size and weight of the Fujifilm GFX 100 II and the Pentax K-1 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The K-1 II can be obtained in two different colors (black, silver), while the GFX 100 II is only available in black.

Size Fujifilm GFX 100 II vs Pentax K-1 II
Compare GFX 100 II versus K-1 II top
Comparison GFX 100 II or K-1 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-1 II is notably smaller (15 percent) than the Fujifilm GFX 100 II. Moreover, the K-1 II is slightly lighter (2 percent) than the GFX 100 II. 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 GFX 100 II gets 540 shots out of its Fujifilm NP-W235 battery, while the K-1 II can take 670 images on a single charge of its Pentax D-LI90 power pack. The power pack in the GFX 100 II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 EUR 7 999 amazon.com
2.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 EUR 1 999 amazon.com
3.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 EUR 6 499ebay.com
4.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 EUR 3 999 amazon.com
5.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 EUR 10 999ebay.com
6.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 EUR 5 999 amazon.com
7.
 
Fujifilm X-H2 136 mm 93 mm 85 mm 660 g 680 Y Sep 2022 EUR 2 249 amazon.com
8.
 
Fujifilm X-H2S 136 mm 93 mm 85 mm 660 g 580 Y May 2022 EUR 2 749 amazon.com
9.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 EUR 1 999 amazon.com
10.
 
Fujifilm X100VI 128 mm 75 mm 55 mm 521 g 450 Y Feb 2024 EUR 1 799 amazon.com
11.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 EUR 8 699 amazon.com
12.
 
Nikon Z8 144 mm 119 mm 83 mm 910 g 340 Y May 2023 EUR 4 599 amazon.com
13.
 
Olympus E-5 142 mm 117 mm 75 mm 873 g 750 Y Sep 2010 EUR 1 499ebay.com
14.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 EUR 1 999ebay.com
15.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 EUR 3 699 amazon.com
16.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 EUR 1 999ebay.com
17.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 EUR 3 599ebay.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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The K-1 II was launched at a markedly lower price (by 73 percent) than the GFX 100 II, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100 II features a medium format sensor and the Pentax K-1 II a full frame sensor. The sensor area in the K-1 II is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.0. The sensor in the GFX 100 II has a native 4:3 aspect ratio, while the one in the K-1 II offers a 3:2 aspect.

Fujifilm GFX 100 II and Pentax K-1 II sensor measures

With 101.8MP, the GFX 100 II offers a higher resolution than the K-1 II (36.2MP), but the GFX 100 II has smaller individual pixels (pixel pitch of 3.76μm versus 4.88μm for the K-1 II). However, the GFX 100 II is a much more recent model (by 5 years and 6 months) than the K-1 II, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. 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 Fujifilm GFX 100 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100 II for good quality output (200 dots per inch) amounts to 58.2 x 43.7 inches or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inches or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inches or 98.6 x 74 cm. The corresponding values for the Pentax K-1 II are 36.8 x 24.6 inches or 93.5 x 62.4 cm for good quality, 29.4 x 19.6 inches or 74.8 x 49.9 cm for very good quality, and 24.5 x 16.4 inches or 62.3 x 41.6 cm for excellent quality prints.

The GFX 100 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Both cameras have the capacity to capture high quality composite images by combining multiple shots after shifting the sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm GFX 100 II has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-102400. The corresponding ISO settings for the Pentax K-1 II are ISO 100 to ISO 819200 (no boost).

In terms of underlying technology, the GFX 100 II is build around a BSI-CMOS sensor, while the K-1 II uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

GFX 100 II versus K-1 II 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"). 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
2.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
3.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
4.
 
Fujifilm GFX 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
5.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
6.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
7.
 
Fujifilm X-H2 APS-C 39.8 7728 51528k/30p24.313.9224986
8.
 
Fujifilm X-H2S APS-C 26.0 6240 41606.2k/30p24.313.9222486
9.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
10.
 
Fujifilm X100VI APS-C 39.8 7728 51526.2K/30p24.314.1239786
11.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
12.
 
Nikon Z8 Full Frame 45.4 8256 55048K/30p26.314.2254898
13.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
14.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
15.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
16.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
17.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
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 have a sensor with sufficiently fast read-out times for moving pictures, but the GFX 100 II provides a higher video resolution than the K-1 II. It can shoot video footage at 8K/30p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the GFX 100 II has an electronic viewfinder (9440k dots), while the K-1 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 GFX 100 II has a higher magnification than the one of the K-1 II (1.27x vs 0.70x), 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 Fujifilm GFX 100 II, the Pentax K-1 II, and comparable 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.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
2.
 
Pentax K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
3.
 
Fujifilm GFX 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
4.
 
Fujifilm GFX 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
5.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
6.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
7.
 
Fujifilm X-H25760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
8.
 
Fujifilm X-H2S5760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
9.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
10.
 
Fujifilm X100VI3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n Y
11.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
12.
 
Nikon Z83690 Y3.2 / 2089 full-flex Y 1/32000s 30.0/s n Y
13.
 
Olympus E-5optical Y3.0 / 920 swivel n 1/8000s 5.0/s Y Y
14.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
15.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
16.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
17.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GFX 100 II has a touchscreen, while the K-1 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 GFX 100 II 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 Fujifilm GFX 100 II and the Pentax K-1 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.

The GFX 100 II writes its imaging data to CFexpress (type B) or SDXC cards, while the K-1 II uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The GFX 100 II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-1 II can use UHS-I cards (up to 104 MB/s).

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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 Fujifilm GFX 100 II and Pentax K-1 II 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.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
2.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
3.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
4.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
5.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
6.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
7.
 
Fujifilm X-H2Ystereo / monoYYfull3.2Y-Y
8.
 
Fujifilm X-H2SYstereo / monoYYfull3.0Y-Y
9.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
10.
 
Fujifilm X100VIYstereo / monoY-micro3.2Y-Y
11.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
12.
 
Nikon Z8Ystereo / monoYYfull3.2Y-Y
13.
 
Olympus E-5Ystereo / ---mini2.0---
14.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
15.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
16.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
17.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY

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 the K-1 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the GFX 100 II and the K-1 II are recent models that are part of the current product line-up. The K-1 II replaced the earlier Pentax K-1, while the GFX 100 II followed on from the Fujifilm GFX 100. Further information on the features and operation of the GFX 100 II and K-1 II can be found, respectively, in the Fujifilm GFX 100 II Manual (free pdf) or the online Pentax K-1 II Manual.

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Review summary

So how do things add up? Which of the two cameras – the Fujifilm GFX 100 II or the Pentax K-1 II – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Fujifilm GFX 100 II:

  • More detail: Offers more megapixels (101.8 vs 36.2MP) with a 65% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (8K/30p vs 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (1.27x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1037k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (8 vs 4.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • 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 5 years and 6 months of technical progress since the K-1 II launch.

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Arguments in favor of the Pentax K-1 II:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • More compact: Is smaller (137x110mm vs 152x117mm) and will fit more readily into a bag.
  • Longer lasting: Gets more shots (670 versus 540) out of a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More affordable: Was introduced into a lower priced category (73 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2018).

If the count of relative strengths (bullet points above) is taken as a measure, the GFX 100 II is the clear winner of the match-up (20 : 7 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GFX 100 II 20:07 K-1 II

How about other alternatives? Do the specifications of the Fujifilm GFX 100 II and the Pentax K-1 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the GFX 100 II and the K-1 II in practical situations. 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 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.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 EUR 7 999 amazon.com
2.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 EUR 1 999 amazon.com
3.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 EUR 6 499ebay.com
4.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 EUR 3 999 amazon.com
5.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 EUR 10 999ebay.com
6.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 EUR 5 999 amazon.com
7.
 
Fujifilm X-H25/5+ +5/589/1005/55/5 Sep 2022 EUR 2 249 amazon.com
8.
 
Fujifilm X-H2S5/5+5/590/1005/55/5 May 2022 EUR 2 749 amazon.com
9.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 EUR 1 999 amazon.com
10.
 
Fujifilm X100VI5/5+ +4.5/5....4.5/5 Feb 2024 EUR 1 799 amazon.com
11.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 EUR 8 699 amazon.com
12.
 
Nikon Z85/5..5/594/1005/54.5/5 May 2023 EUR 4 599 amazon.com
13.
 
Olympus E-54/5....75/1004/54.5/5 Sep 2010 EUR 1 499ebay.com
14.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 EUR 1 999ebay.com
15.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 EUR 3 699 amazon.com
16.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 EUR 1 999ebay.com
17.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 EUR 3 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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 GFX 100 II price at
amazon.com
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Check K-1 II price at
amazon.com

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 make a corresponding selection in the search boxes 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: Fujifilm GFX 100 II vs Pentax K-1 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 Fujifilm GFX 100 II Pentax K-1 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax K mount lenses
    Launch Date September 2023 February 2018
    Launch Price USD 7,499 USD 1,999
    Sensor Specs Fujifilm GFX 100 II Pentax K-1 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 43.8 x 32.9 mm 35.9 x 24.0 mm
    Sensor Area 1441.02 mm2 861.6 mm2
    Sensor Diagonal 54.8 mm 43.2 mm
    Crop Factor 0.79x 1.0x
    Sensor Resolution 101.8 Megapixels 36.2 Megapixels
    Image Resolution 11648 x 8736 pixels 7360 x 4912 pixels
    Pixel Pitch 3.76 μm 4.88 μm
    Pixel Density 7.06 MP/cm2 4.20 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 8K/30p Video 1080/60i Video
    ISO Setting 100 - 12,800 ISO 100 - 819,200 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor X-Processor 5 PRIME IV
    Screen Specs Fujifilm GFX 100 II Pentax K-1 II
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 1.27x 0.70x
    Viewfinder Resolution 9440k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2360k dots 1037k dots
    LCD Attachment Fully flexible screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 100 II Pentax K-1 II
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 4.4 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexB or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support UHS-II UHS-I
    Connectivity Specs Fujifilm GFX 100 II Pentax K-1 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 2.0
    HDMI Port full 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
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm GFX 100 II Pentax K-1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Pentax D-LI90
    Battery Life (CIPA)540 shots per charge670 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 152 x 117 x 99 mm
    (6.0 x 4.6 x 3.9 in)
    137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 1030 g (36.3 oz) 1010 g (35.6 oz)
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