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Fujifilm GFX 100 II vs Olympus E-M10 IV

The Fujifilm GFX 100 II and the Olympus OM-D E-M10 Mark IV are two digital cameras that were announced, respectively, in September 2023 and August 2020. Both the GFX 100 II and the E-M10 IV are mirrorless interchangeable lens cameras that are based on a medium format (GFX 100 II) and a Four Thirds (E-M10 IV) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Olympus provides 20.2 MP.

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

Headline Specifications
Fujifilm GFX 100 II
versus
Olympus E-M10 IV
Fujifilm GFX 100 II   Olympus E-M10 IV
Mirrorless system camera Mirrorless system camera
Fujifilm G mount lenses Micro Four Thirds lenses
101.8 MP – Medium Format sensor 20.2 MP – Four Thirds sensor
8K/30p Video 4K/30p Video
ISO 100-12,800 (50 - 102,400) ISO 200-25,600
Electronic viewfinder (9440k dots) Electronic viewfinder (2360k dots)
3.2" LCD – 2360k dots 3.0" LCD – 1040k dots
Fully flexible touchscreen Tilting touchscreen
8 shutter flaps per second 15 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
540 shots per battery charge360 shots per battery charge
152 x 117 x 99 mm, 1030 g 122 x 84 x 49 mm, 383 g
logo
Check GFX 100 II price at
amazon.com
logo
Check E-M10 IV 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 Olympus OM-D E-M10 Mark IV? 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

An illustration of the physical size and weight of the Fujifilm GFX 100 II and the Olympus E-M10 IV is provided 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 E-M10 IV 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 Olympus E-M10 IV
Compare GFX 100 II versus E-M10 IV top
Comparison GFX 100 II or E-M10 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 IV is considerably smaller (42 percent) than the Fujifilm GFX 100 II. Moreover, the E-M10 IV is substantially lighter (63 percent) than the GFX 100 II. It is worth mentioning in this context that the GFX 100 II is splash and dust resistant, while the E-M10 IV 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. 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 E-M10 IV can take 360 images on a single charge of its Olympus BLS-50 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 US$ 7 499 amazon.com
2.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 US$ 699 amazon.com
3.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 US$ 4 499ebay.com
4.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 US$ 6 499ebay.com
5.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 US$ 3 999 amazon.com
6.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 US$ 9 999ebay.com
7.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 US$ 5 999 amazon.com
8.
 
Fujifilm X-H2 136 mm 93 mm 85 mm 660 g 680 Y Sep 2022 US$ 1 999 amazon.com
9.
 
Fujifilm X-H2S 136 mm 93 mm 85 mm 660 g 580 Y May 2022 US$ 2 499 amazon.com
10.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 US$ 1 699 amazon.com
11.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
12.
 
Nikon Z8 144 mm 119 mm 83 mm 910 g 340 Y May 2023 US$ 3 999 amazon.com
13.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 US$ 699ebay.com
14.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 US$ 649ebay.com
15.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 US$ 649ebay.com
16.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 US$ 799 amazon.com
17.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 US$ 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 E-M10 IV was launched at a markedly lower price (by 91 percent) than the GFX 100 II, 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 size of the imaging sensor is a crucial determinant 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 Fujifilm GFX 100 II features a medium format sensor and the Olympus E-M10 IV a Four Thirds sensor. The sensor area in the E-M10 IV is 84 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Fujifilm GFX 100 II and Olympus E-M10 IV sensor measures

With 101.8MP, the GFX 100 II offers a higher resolution than the E-M10 IV (20.2MP), but the GFX 100 II nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 3.34μm for the E-M10 IV) due to its larger sensor. Moreover, the GFX 100 II is a much more recent model (by 3 years and 1 month) than the E-M10 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 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 Olympus E-M10 IV are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

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

Unlike the E-M10 IV, the GFX 100 II 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 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 Olympus OM-D E-M10 Mark IV are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the GFX 100 II is build around a BSI-CMOS sensor, while the E-M10 IV 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 E-M10 IV 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.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
3.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
4.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
5.
 
Fujifilm GFX 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
6.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
7.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
8.
 
Fujifilm X-H2 APS-C 39.8 7728 51528k/30p24.313.9224986
9.
 
Fujifilm X-H2S APS-C 26.0 6240 41606.2k/30p24.313.9222486
10.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
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-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
14.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
15.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
16.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
17.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 E-M10 IV. It can shoot video footage at 8K/30p, while the Olympus is limited to 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the GFX 100 II offers a substantially higher resolution than the one in the E-M10 IV (9440k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm GFX 100 II and Olympus E-M10 IV in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
2.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
3.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
4.
 
Fujifilm GFX 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
5.
 
Fujifilm GFX 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
6.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
7.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
8.
 
Fujifilm X-H25760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
9.
 
Fujifilm X-H2S5760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
10.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/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-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
14.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
15.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
16.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
17.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the GFX 100 II, but is missing on the E-M10 IV is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The E-M10 IV has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the GFX 100 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, both cameras under consideration feature an 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 Olympus E-M10 IV 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 E-M10 IV uses SDXC cards. The GFX 100 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M10 IV only has one slot. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 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 Olympus OM-D E-M10 Mark IV 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.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
3.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
4.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
5.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
6.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
7.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
8.
 
Fujifilm X-H2Ystereo / monoYYfull3.2Y-Y
9.
 
Fujifilm X-H2SYstereo / monoYYfull3.0Y-Y
10.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
11.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
12.
 
Nikon Z8Ystereo / monoYYfull3.2Y-Y
13.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
14.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
15.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
16.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
17.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y

It is notable that the GFX 100 II has a microphone port, which is missing on the E-M10 IV. 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 Fujifilm GFX 100 II (unlike the E-M10 IV) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GFX 100 II and the E-M10 IV are recent models that are part of the current product line-up. The E-M10 IV replaced the earlier Olympus E-M10 III, 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 E-M10 IV can be found, respectively, in the Fujifilm GFX 100 II Manual (free pdf) or the online Olympus E-M10 IV Manual.

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Review summary

So how do things add up? Is the Fujifilm GFX 100 II better than the Olympus E-M10 IV or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Fujifilm GFX 100 II:

  • More detail: Offers more megapixels (101.8 vs 20.2MP) with a 125% higher linear resolution.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • 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 4K/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9440k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (1.27x vs 0.62x).
  • 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.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1040k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Longer lasting: Can take more shots (540 versus 360) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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.
  • 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 modern: Reflects 3 years and 1 month of technical progress since the E-M10 IV launch.

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Reasons to prefer the Olympus OM-D E-M10 Mark IV:

  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (15 vs 8 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (122x84mm vs 152x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 647g or 63 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (91 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2020).

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 (23 : 7 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 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 23:07 E-M10 IV

How about other alternatives? Do the specifications of the Fujifilm GFX 100 II and the Olympus E-M10 IV place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GFX 100 II or the E-M10 IV. 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
  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 US$ 7 499 amazon.com
2.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 US$ 699 amazon.com
3.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 US$ 4 499ebay.com
4.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 US$ 6 499ebay.com
5.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 US$ 3 999 amazon.com
6.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 US$ 9 999ebay.com
7.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 US$ 5 999 amazon.com
8.
 
Fujifilm X-H25/5+ +5/589/1005/55/5 Sep 2022 US$ 1 999 amazon.com
9.
 
Fujifilm X-H2S5/5+5/590/1005/55/5 May 2022 US$ 2 499 amazon.com
10.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 US$ 1 699 amazon.com
11.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
12.
 
Nikon Z85/5..5/594/1005/54.5/5 May 2023 US$ 3 999 amazon.com
13.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 US$ 699ebay.com
14.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 US$ 649ebay.com
15.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 US$ 649ebay.com
16.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 US$ 799 amazon.com
17.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 US$ 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check GFX 100 II price at
amazon.com
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Check E-M10 IV price at
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    Specifications: Fujifilm GFX 100 II vs Olympus E-M10 IV

    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 Olympus E-M10 IV
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm G mount lenses Micro Four Thirds lenses
    Launch Date September 2023 August 2020
    Launch Price USD 7,499 USD 699
    Sensor Specs Fujifilm GFX 100 II Olympus E-M10 IV
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Four Thirds Sensor
    Sensor Size 43.8 x 32.9 mm 17.3 x 13.0 mm
    Sensor Area 1441.02 mm2 224.9 mm2
    Sensor Diagonal 54.8 mm 21.6 mm
    Crop Factor 0.79x 2.0x
    Sensor Resolution 101.8 Megapixels 20.2 Megapixels
    Image Resolution 11648 x 8736 pixels 5184 x 3888 pixels
    Pixel Pitch 3.76 μm 3.34 μm
    Pixel Density 7.06 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 8K/30p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 200 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO 100 - 25,600 ISO
    Image Processor X-Processor 5 TruePic VIII
    Screen Specs Fujifilm GFX 100 II Olympus E-M10 IV
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 1.27x 0.62x
    Viewfinder Resolution 9440k dots 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2360k dots 1040k dots
    LCD Attachment Fully flexible screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100 II Olympus E-M10 IV
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 8 shutter flaps/s 15 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CFexB or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-II UHS-II
    Connectivity Specs Fujifilm GFX 100 II Olympus E-M10 IV
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.2 USB 2.0
    HDMI Port full HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm GFX 100 II Olympus E-M10 IV
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Fujifilm NP-W235 Olympus BLS-50
    Battery Life (CIPA)540 shots per charge360 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 152 x 117 x 99 mm
    (6.0 x 4.6 x 3.9 in)
    122 x 84 x 49 mm
    (4.8 x 3.3 x 1.9 in)
    Camera Weight 1030 g (36.3 oz) 383 g (13.5 oz)
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