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Fujifilm GFX 100RF vs Sony A9

The Fujifilm GFX 100RF and the Sony Alpha A9 are two digital cameras that were announced, respectively, in March 2025 and April 2017. The GFX 100RF is a fixed lens compact, while the A9 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (GFX 100RF) and a full frame (A9) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Fujifilm GFX 100RF
versus
Sony A9
Fujifilm GFX 100RF   Sony A9
Fixed lens compact camera Mirrorless system camera
28mm f/4.0 Sony E mount lenses
101.8 MP – Medium Format sensor 24 MP – Full Frame sensor
4K/30p Video 4K/30p Video
ISO 80-12,800 (40 - 102,400) ISO 100-51,200 (50 - 204,800)
Electronic viewfinder (5760k dots) Electronic viewfinder (3686k dots)
3.2" LCD – 2100k dots 3.0" LCD – 1440k dots
Tilting touchscreen Tilting touchscreen
6 shutter flaps per second 20 shutter flaps per second
no shake reductionIn-body stabilization
Weathersealed bodyWeathersealed body
820 shots per battery charge650 shots per battery charge
134 x 90 x 77 mm, 735 g 127 x 96 x 63 mm, 673 g
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Check GFX 100RF price at
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Check A9 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100RF and the Sony Alpha A9? 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 side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 100RF and the Sony A9. 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 GFX 100RF can be obtained in two different colors (black, silver), while the A9 is only available in black.

Size Fujifilm GFX 100RF vs Sony A9
Compare GFX 100RF versus A9 top
Comparison GFX 100RF or A9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 is somewhat larger (1 percent) than the Fujifilm GFX 100RF. 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 and possibly misleading, as the GFX 100RF has a lens built in, whereas the A9 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A9 and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the GFX 100RF gets 820 shots out of its Fujifilm NP-W235 battery, while the A9 can take 650 images on a single charge of its Sony NP-FZ100 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 100RF 134 mm 90 mm 77 mm 735 g 820 Y Mar 2025 US$ 4 899 amazon.com
2.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 US$ 4 499ebay.com
3.
 
Canon R5 C 142 mm 101 mm 111 mm 770 g 320 Y Jan 2022 US$ 4 499 amazon.com
4.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 US$ 4 499ebay.com
5.
 
Fujifilm GFX 100S II 150 mm 104 mm 87 mm 883 g 530 Y May 2024 US$ 4 999 amazon.com
6.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 US$ 1 399ebay.com
7.
 
Fujifilm X100VI 128 mm 75 mm 55 mm 521 g 450 Y Feb 2024 US$ 1 599 amazon.com
8.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 US$ 5 749ebay.com
9.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 US$ 4 999 amazon.com
10.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 US$ 5 999 amazon.com
11.
 
Pentax WG-8 118 mm 66 mm 33 mm 242 g 340 Y Jun 2024 US$ 399 amazon.com
12.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
13.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
15.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 US$ 3 899 amazon.com
16.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.com
17.
 
Sony RX1R III 113 mm 68 mm 88 mm 498 g 300 Y Jul 2025 US$ 5 099 amazon.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. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100RF features a medium format sensor and the Sony A9 a full frame sensor. The sensor area in the A9 is 41 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 100RF has a native 4:3 aspect ratio, while the one in the A9 offers a 3:2 aspect.

Fujifilm GFX 100RF and Sony A9 sensor measures

With 101.8MP, the GFX 100RF offers a higher resolution than the A9 (24MP), but the GFX 100RF has smaller individual pixels (pixel pitch of 3.76μm versus 5.94μm for the A9). However, the GFX 100RF is a much more recent model (by 7 years and 11 months) than the A9, 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 the GFX 100RF has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm GFX 100RF implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100RF 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 Sony A9 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The Fujifilm GFX 100RF has a native sensitivity range from ISO 80 to ISO 12800, which can be extended to ISO 40-102400. The corresponding ISO settings for the Sony Alpha A9 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the GFX 100RF is build around a BSI-CMOS sensor, while the A9 uses a Stacked BSI-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 100RF versus A9 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm GFX 100RF Medium Format 101.8 11648 87364K/30p25.915.13805101
2.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
3.
 
Canon R5 C Full Frame 44.8 8192 54648k/60p25.414.5308296
4.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
5.
 
Fujifilm GFX 100S II Medium Format 101.8 11648 87364K/30p25.915.13720101
6.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
7.
 
Fujifilm X100VI APS-C 39.8 7728 51526.2K/30p24.314.1239786
8.
 
Hasselblad X1D II Medium Format 51.3 8272 62001080/25p25.714.5323499
9.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
10.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
11.
 
Pentax WG-8 1/2.3 20.2 5184 38884K/30p20.912.8162654
12.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
13.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
16.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
17.
 
Sony RX1R III Full Frame 60.2 9504 63364K/30p25.414.9341797
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, and both provide the same movie specifications (4K/30p).

Feature comparison

Apart from 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 100RF offers a substantially higher resolution than the one in the A9 (5760k vs 3686k dots). The adjacent table lists some of the other core features of the Fujifilm GFX 100RF and Sony A9 along with similar information for a selection of comparators.

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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 100RF5760 n3.2 / 2100 tilting Y 1/4000s 6.0/s n n
2.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
3.
 
Canon R5 C5760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n n
4.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
5.
 
Fujifilm GFX 100S II5760 Y3.2 / 2360 full-flex Y 1/4000s 7.0/s n Y
6.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
7.
 
Fujifilm X100VI3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n Y
8.
 
Hasselblad X1D II3690 n3.6 / 2360 fixed Y 1/2000s 2.7/s n n
9.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
10.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
11.
 
Pentax WG-8none n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
12.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
13.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
16.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony RX1R III2360 n3.0 / 2360 fixed Y 1/4000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

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 100RF has 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 100RF writes its imaging data to SDXC cards, while the A9 uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. However, while the GFX 100RF supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s) on both slots, the A9 supports UHS-II only on its first slot and UHS-I (data transfer speed up to 104 MB/s) on the second one.

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 100RF and Sony Alpha A9 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 100RFYstereo / monoYYmicro3.2Y-Y
2.
 
Sony A9Ystereo / monoYYmicro2.0YYY
3.
 
Canon R5 CYstereo / monoYYmicro3.2Y-Y
4.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
5.
 
Fujifilm GFX 100S IIYstereo / monoYYmicro3.2Y-Y
6.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
7.
 
Fujifilm X100VIYstereo / monoY-micro3.2Y-Y
8.
 
Hasselblad X1D IIYstereo / monoYY-3.0Y--
9.
 
Leica Q2Ystereo / mono----Y-Y
10.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
11.
 
Pentax WG-8-mono / mono---3.0---
12.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
13.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
16.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
17.
 
Sony RX1R IIIYstereo / monoYYmicro3.2Y-Y

Studio photographers will appreciate that the Sony A9 (unlike the GFX 100RF) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The GFX 100RF is a recent model that features in the current product line-up of Fujifilm. In contrast, the A9 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A9 was succeeded by the Sony A9 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Sony websites.

Review summary

So what is the bottom line? Which of the two cameras – the Fujifilm GFX 100RF or the Sony A9 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Fujifilm GFX 100RF:

  • More detail: Offers more megapixels (101.8 vs 24MP) with a 102% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 3686k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.84x vs 0.78x).
  • 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 (2100k vs 1440k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A9 requires a separate lens.
  • Longer lasting: Can take more shots (820 versus 650) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More modern: Reflects 7 years and 11 months of technical progress since the A9 launch.

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Advantages of the Sony Alpha A9:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 6 flaps/sec) to capture the decisive moment.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in April 2017).

If the number of relative strengths (bullet points above) is taken as a guide, the GFX 100RF is the clear winner of the match-up (15 : 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 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 100RF 15:08 A9

How about other alternatives? Do the specifications of the Fujifilm GFX 100RF and the Sony A9 place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Mirrorless Interchangeable Lens 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 100RF and the A9 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 where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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 100RF............ Mar 2025 US$ 4 899 amazon.com
2.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 US$ 4 499ebay.com
3.
 
Canon R5 C..+ +........ Jan 2022 US$ 4 499 amazon.com
4.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 US$ 4 499ebay.com
5.
 
Fujifilm GFX 100S II............ May 2024 US$ 4 999 amazon.com
6.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 US$ 1 399ebay.com
7.
 
Fujifilm X100VI5/5+ +4.5/587/100..4.5/5 Feb 2024 US$ 1 599 amazon.com
8.
 
Hasselblad X1D II....4/5..4/54/5 Jun 2019 US$ 5 749ebay.com
9.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 US$ 4 999 amazon.com
10.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 US$ 5 999 amazon.com
11.
 
Pentax WG-8............ Jun 2024 US$ 399 amazon.com
12.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
13.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
15.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 US$ 3 899 amazon.com
16.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
17.
 
Sony RX1R III............ Jul 2025 US$ 5 099 amazon.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. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check GFX 100RF 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 make your choice using the following search menu. 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: Fujifilm GFX 100RF vs Sony A9

    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 100RF Sony A9
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28mm f/4.0 Sony E mount lenses
    Launch Date March 2025 April 2017
    Launch Price USD 4,899 USD 4,499
    Sensor Specs Fujifilm GFX 100RF Sony A9
    Sensor Technology BSI-CMOS Stacked BSI-CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 43.8 x 32.9 mm 35.6 x 23.8 mm
    Sensor Area 1441.02 mm2 847.28 mm2
    Sensor Diagonal 54.8 mm 42.8 mm
    Crop Factor 0.79x 1.0x
    Sensor Resolution 101.8 Megapixels 24 Megapixels
    Image Resolution 11648 x 8736 pixels 6000 x 4000 pixels
    Pixel Pitch 3.76 μm 5.94 μm
    Pixel Density 7.06 MP/cm2 2.83 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 80 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 40 - 102,400 ISO 50 - 204,800 ISO
    Image Processor X-Processor 5 BIONZ X
    DXO Sensor Quality (score) .. 92
    DXO Color Depth (bits) .. 24.9
    DXO Dynamic Range (EV) .. 13.3
    DXO Low Light (ISO) .. 3517
    Screen Specs Fujifilm GFX 100RF Sony A9
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.84x 0.78x
    Viewfinder Resolution 5760k dots 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2100k dots 1440k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100RF Sony A9
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 20 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II Single UHS-II
    Connectivity Specs Fujifilm GFX 100RF Sony A9
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro 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 no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm GFX 100RF Sony A9
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Sony NP-FZ100
    Battery Life (CIPA)820 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 90 x 77 mm
    (5.3 x 3.5 x 3.0 in)
    127 x 96 x 63 mm
    (5.0 x 3.8 x 2.5 in)
    Camera Weight 735 g (25.9 oz) 673 g (23.7 oz)
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