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Fujifilm GFX 100RF vs Sony A9 III

The Fujifilm GFX 100RF and the Sony Alpha A9 III are two digital cameras that were announced, respectively, in March 2025 and November 2023. The GFX 100RF is a fixed lens compact, while the A9 III is a mirrorless interchangeable lens camera. The cameras are based on a medium format (GFX 100RF) and a full frame (A9 III) 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 III
Fujifilm GFX 100RF   Sony A9 III
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/120p Video
ISO 80-12,800 (40 - 102,400) ISO 250-25,600 (125 - 51,200)
Electronic viewfinder (5760k dots) Electronic viewfinder (9440k dots)
3.2" LCD – 2100k dots 3.2" LCD – 2100k dots
Tilting touchscreen Fully flexible touchscreen
6 shutter flaps per second 120 shutter flaps per second
no shake reductionIn-body stabilization
Weathersealed bodyWeathersealed body
820 shots per battery charge530 shots per battery charge
134 x 90 x 77 mm, 735 g 136 x 97 x 83 mm, 702 g
logo
Check GFX 100RF price at
amazon.com
logo
Check A9 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100RF and the Sony Alpha A9 III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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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 III. 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 width, height and depth measures are rounded to the nearest millimeter.

The GFX 100RF can be obtained in two different colors (black, silver), while the A9 III is only available in black.

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

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 III is notably larger (9 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 III 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 III 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 III can take 530 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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 III 136 mm 97 mm 83 mm 702 g 530 Y Nov 2023 US$ 5 999 amazon.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 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 US$ 6 499ebay.com
6.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 US$ 7 499 amazon.com
7.
 
Fujifilm GFX 100S II 150 mm 104 mm 87 mm 883 g 530 Y May 2024 US$ 4 999 amazon.com
8.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 US$ 5 749ebay.com
9.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
10.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 US$ 4 999 amazon.com
11.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 US$ 5 999 amazon.com
12.
 
Sony A1 II 136 mm 97 mm 83 mm 743 g 520 Y Nov 2024 US$ 6 499 amazon.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 US$ 4 499ebay.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.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GFX 100RF was launched at a lower price than the A9 III, despite having a lens built in. 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.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. 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 100RF features a medium format sensor and the Sony A9 III a full frame sensor. The sensor area in the A9 III 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 III offers a 3:2 aspect.

Fujifilm GFX 100RF and Sony A9 III sensor measures

With 101.8MP, the GFX 100RF offers a higher resolution than the A9 III (24MP), but the GFX 100RF has smaller individual pixels (pixel pitch of 3.76μm versus 5.94μm for the A9 III). However, the GFX 100RF is a somewhat more recent model (by 1 year and 4 months) than the A9 III, and its sensor might 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 III 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 III are ISO 250 to ISO 25600, with the possibility to increase the ISO range to 125-51200.

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

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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.

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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 III Full Frame 24.0 6000 40004K/120p25.414.7324396
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 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
6.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
7.
 
Fujifilm GFX 100S II Medium Format 101.8 11648 87364K/30p25.915.13720101
8.
 
Hasselblad X1D II Medium Format 51.3 8272 62001080/25p25.714.5323499
9.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
10.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
11.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
12.
 
Sony A1 II Full Frame 49.8 8640 57608k/30p25.414.8336397
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
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 can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A9 III provides a faster frame rate than the GFX 100RF. It can shoot movie footage at 4K/120p, while the Fujifilm is limited to 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A9 III offers a substantially higher resolution than the one in the GFX 100RF (9440k vs 5760k dots). The table below summarizes some of the other core capabilities of the Fujifilm GFX 100RF and Sony A9 III 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 100RF5760 n3.2 / 2100 tilting Y 1/4000s 6.0/s n n
2.
 
Sony A9 III9440 n3.2 / 2100 full-flex Y 1/80000s 120.0/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 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
6.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
7.
 
Fujifilm GFX 100S II5760 Y3.2 / 2360 full-flex Y 1/4000s 7.0/s n Y
8.
 
Hasselblad X1D II3690 n3.6 / 2360 fixed Y 1/2000s 2.7/s n n
9.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
10.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
11.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
12.
 
Sony A1 II9437 n3.2 / 2100 full-flex Y 1/8000s 30.0/s n Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/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 A9 III 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 100RF 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 100RF and the Sony A9 III both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The GFX 100RF writes its imaging data to SDXC cards, while the A9 III uses CFexpress (type A) or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s.

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 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  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 A9 IIIYstereo / monoYYfull3.2Y-Y
3.
 
Canon R5 CYstereo / monoYYmicro3.2Y-Y
4.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
5.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
6.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
7.
 
Fujifilm GFX 100S IIYstereo / monoYYmicro3.2Y-Y
8.
 
Hasselblad X1D IIYstereo / monoYY-3.0Y--
9.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
10.
 
Leica Q2Ystereo / mono----Y-Y
11.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
12.
 
Sony A1 IIYstereo / monoYYfull3.2Y-Y
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A9Ystereo / monoYYmicro2.0YYY
16.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
17.
 
Sony RX1R IIIYstereo / monoYYmicro3.2Y-Y

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

Both the GFX 100RF and the A9 III are recent models that are part of the current product line-up. The A9 III replaced the earlier Sony A9 II, while the GFX 100RF 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 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 III – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Advantages 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.
  • Ready to shoot: Has a lens built-in, whereas the A9 III requires a separate lens.
  • Longer lasting: Can take more shots (820 versus 530) on a single battery charge.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 1 year and 4 months after the A9 III).

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Reasons to prefer the Sony Alpha A9 III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (4K/120p versus 4K/30p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9440k vs 5760k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.9x vs 0.84x).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/80000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (120 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.
  • 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.
  • More heavily discounted: Has been on the market for longer (launched in November 2023).

If the count of relative strengths (bullet points above) is taken as a measure, the A9 III emerges as the winner of the match-up (13 : 10 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GFX 100RF 10:13 A9 III

How about other alternatives? Do the specifications of the Fujifilm GFX 100RF and the Sony A9 III 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the GFX 100RF or the A9 III perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 A9 III4.5/5....91/100.... Nov 2023 US$ 5 999 amazon.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 50S....4.5/585/1005/54.5/5 Sep 2016 US$ 6 499ebay.com
6.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 US$ 7 499 amazon.com
7.
 
Fujifilm GFX 100S II............ May 2024 US$ 4 999 amazon.com
8.
 
Hasselblad X1D II....4/5..4/54/5 Jun 2019 US$ 5 749ebay.com
9.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
10.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 US$ 4 999 amazon.com
11.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 US$ 5 999 amazon.com
12.
 
Sony A1 II............ Nov 2024 US$ 6 499 amazon.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 US$ 4 499ebay.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.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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
amazon.com
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Check A9 III 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 100RF vs Sony A9 III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Fujifilm GFX 100RF Sony A9 III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28mm f/4.0 Sony E mount lenses
    Launch Date March 2025 November 2023
    Launch Price USD 4,899 USD 5,999
    Sensor Specs Fujifilm GFX 100RF Sony A9 III
    Sensor Technology BSI-CMOS Stacked 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/120p Video
    ISO Setting 80 - 12,800 ISO 250 - 25,600 ISO
    ISO Boost 40 - 102,400 ISO 125 - 51,200 ISO
    Image Processor X-Processor 5 Dual BIONZ XR
    Screen Specs Fujifilm GFX 100RF Sony A9 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.84x 0.9x
    Viewfinder Resolution 5760k dots 9440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2100k dots 2100k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100RF Sony A9 III
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/80000s
    Continuous Shooting 6 shutter flaps/s 120 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/80000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards CFexA or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-II
    Connectivity Specs Fujifilm GFX 100RF Sony A9 III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port micro HDMI full 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 Bluetooth built-in
    Body Specs Fujifilm GFX 100RF Sony A9 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Sony NP-FZ100
    Battery Life (CIPA)820 shots per charge530 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)
    136 x 97 x 83 mm
    (5.4 x 3.8 x 3.3 in)
    Camera Weight 735 g (25.9 oz) 702 g (24.8 oz)
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