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Fujifilm GFX 100S II vs Sony A1 II

The Fujifilm GFX 100S II and the Sony A1 II are two professional cameras that were revealed to the public, respectively, in May 2024 and November 2024. Both the GFX 100S II and the A1 II are mirrorless interchangeable lens cameras that are based on a medium format (GFX 100S II) and a full frame (A1 II) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Sony provides 49.8 MP.

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

Headline Specifications
Fujifilm GFX 100S II
versus
Sony A1 II
Fujifilm GFX 100S II   Sony A1 II
Mirrorless system camera Mirrorless system camera
Fujifilm G mount lenses Sony E mount lenses
101.8 MP – Medium Format sensor 49.8 MP – Full Frame sensor
4K/30p Video 8k/30p Video
ISO 100-12,800 (50 - 102,400) ISO 100-32,000 (50 - 102,400)
Electronic viewfinder (5760k dots) Electronic viewfinder (9437k dots)
3.2" LCD – 2360k dots 3.2" LCD – 2100k dots
Fully flexible touchscreen Fully flexible touchscreen
7 shutter flaps per second 30 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
530 shots per battery charge520 shots per battery charge
150 x 104 x 87 mm, 883 g 136 x 97 x 83 mm, 743 g
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Check GFX 100S II price at
amazon.com
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Check A1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100S II and the Sony A1 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 100S II and the Sony A1 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 dimensions are rounded to the nearest millimeter.

Size Fujifilm GFX 100S II vs Sony A1 II
Compare GFX 100S II versus A1 II top
Comparison GFX 100S II or A1 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A1 II is notably smaller (15 percent) than the Fujifilm GFX 100S II. Moreover, the A1 II is markedly lighter (16 percent) than the GFX 100S 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 100S II gets 530 shots out of its Fujifilm NP-W235 battery, while the A1 II can take 520 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 100S II 150 mm 104 mm 87 mm 883 g 530 Y May 2024 US$ 4 999 amazon.com
2.
 
Sony A1 II 136 mm 97 mm 83 mm 743 g 520 Y Nov 2024 US$ 6 499 amazon.com
3.
 
Canon R5 Mark II 138 mm 98 mm 88 mm 746 g 340 Y Jul 2024 US$ 4 299 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 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 US$ 3 999 amazon.com
7.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 US$ 9 999ebay.com
8.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 US$ 7 499 amazon.com
9.
 
Fujifilm GFX 100RF 134 mm 90 mm 77 mm 735 g 820 Y Mar 2025 US$ 4 899 amazon.com
10.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 US$ 5 999 amazon.com
11.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
12.
 
Leica SL3-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 US$ 5 299 amazon.com
13.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
14.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
17.
 
Sony A9 III 136 mm 97 mm 83 mm 702 g 530 Y Nov 2023 US$ 5 999 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GFX 100S II was launched at a somewhat lower price (by 23 percent) than the A1 II, which makes it more attractive for photographers on a tight budget. 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. 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 100S II features a medium format sensor and the Sony A1 II a full frame sensor. The sensor area in the A1 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 100S II has a native 4:3 aspect ratio, while the one in the A1 II offers a 3:2 aspect.

Fujifilm GFX 100S II and Sony A1 II sensor measures

With 101.8MP, the GFX 100S II offers a higher resolution than the A1 II (49.8MP), but the GFX 100S II has smaller individual pixels (pixel pitch of 3.76μm versus 4.16μm for the A1 II). Moreover, the A1 II is a somewhat more recent model (by 6 months) than the GFX 100S II, and its sensor might 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 100S II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100S 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 Sony A1 II are 43.2 x 28.8 inches or 109.7 x 73.2 cm for good quality, 34.6 x 23 inches or 87.8 x 58.5 cm for very good quality, and 28.8 x 19.2 inches or 73.2 x 48.8 cm for excellent quality prints.

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 100S 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 Sony A1 II are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the GFX 100S II is build around a BSI-CMOS sensor, while the A1 II 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 100S II versus A1 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 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 100S II Medium Format 101.8 11648 87364K/30p25.915.13720101
2.
 
Sony A1 II Full Frame 49.8 8640 57608k/30p25.414.8336397
3.
 
Canon R5 Mark II Full Frame 44.8 8192 54648k/60p25.414.8333297
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 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
7.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
8.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
9.
 
Fujifilm GFX 100RF Medium Format 101.8 11648 87364K/30p25.915.13805101
10.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
11.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
12.
 
Leica SL3-S Full Frame 24.0 6000 40006K/30p25.414.8338397
13.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
14.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
17.
 
Sony A9 III Full Frame 24.0 6000 40004K/120p25.414.7324396
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 A1 II provides a better video resolution than the GFX 100S II. It can shoot movie footage at 8k/30p, while the Fujifilm is limited to 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A1 II offers a substantially higher resolution than the one in the GFX 100S II (9437k vs 5760k dots). The following table reports on some other key feature differences and similarities of the Fujifilm GFX 100S II, the Sony A1 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 100S II5760 Y3.2 / 2360 full-flex Y 1/4000s 7.0/s n Y
2.
 
Sony A1 II9437 n3.2 / 2100 full-flex Y 1/8000s 30.0/s n Y
3.
 
Canon R5 Mark II5760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
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 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
7.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
8.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
9.
 
Fujifilm GFX 100RF5760 n3.2 / 2100 tilting Y 1/4000s 6.0/s n n
10.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
11.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
12.
 
Leica SL3-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
13.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 30.0/s n Y
14.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A9 III9440 n3.2 / 2100 full-flex Y 1/80000s 120.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the GFX 100S II, but is missing on the A1 II 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 A1 II 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 100S 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 100S II and the Sony A1 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 100S II writes its imaging data to SDXC cards, while the A1 II 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 100S II and Sony A1 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 100S IIYstereo / monoYYmicro3.2Y-Y
2.
 
Sony A1 IIYstereo / monoYYfull3.2Y-Y
3.
 
Canon R5 Mark IIYmono / monoYYfull3.2Y-Y
4.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
5.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
6.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
7.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
8.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
9.
 
Fujifilm GFX 100RFYstereo / monoYYmicro3.2Y-Y
10.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
11.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
12.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
13.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
14.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
17.
 
Sony A9 IIIYstereo / monoYYfull3.2Y-Y

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

Both the GFX 100S II and the A1 II are recent models that are part of the current product line-up. The GFX 100S II replaced the earlier Fujifilm GFX 100S, while the A1 II followed on from the Sony A1. 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 conclusions can be drawn? Which of the two cameras – the Fujifilm GFX 100S II or the Sony A1 II – 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 100S II:

  • More detail: Offers more megapixels (101.8 vs 49.8MP) with a 40% higher linear resolution.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 2100k dots).
  • More affordable: Was introduced into a lower priced segment (23 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in May 2024).

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Reasons to prefer the Sony A1 II:

  • Better video: Provides higher definition movie capture (8k/30p vs 4K/30p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9437k vs 5760k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.9x vs 0.84x).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (30 vs 7 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (136x97mm vs 150x104mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 140g or 16 percent) and is thus easier to take along.
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • More modern: Was introduced somewhat (6 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A1 II is the clear winner of the contest (10 : 5 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GFX 100S II 05:10 A1 II

How about other alternatives? Do the specifications of the Fujifilm GFX 100S II and the Sony A1 II 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 incomplete and does no justice, for example, to the way the GFX 100S II or the A1 II perform in practice. 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 100S II............ May 2024 US$ 4 999 amazon.com
2.
 
Sony A1 II............ Nov 2024 US$ 6 499 amazon.com
3.
 
Canon R5 Mark II......93/100.... Jul 2024 US$ 4 299 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 50S II5/5..5/587/100..5/5 Sep 2021 US$ 3 999 amazon.com
7.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 US$ 9 999ebay.com
8.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 US$ 7 499 amazon.com
9.
 
Fujifilm GFX 100RF............ Mar 2025 US$ 4 899 amazon.com
10.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 US$ 5 999 amazon.com
11.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
12.
 
Leica SL3-S............ Jan 2025 US$ 5 299 amazon.com
13.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
14.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
16.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
17.
 
Sony A9 III4.5/5....91/100.... Nov 2023 US$ 5 999 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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 100S II price at
amazon.com
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Check A1 II price at
amazon.com

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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm GFX 100S II vs Sony A1 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 100S II Sony A1 II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm G mount lenses Sony E mount lenses
    Launch Date May 2024 November 2024
    Launch Price USD 4,999 USD 6,499
    Sensor Specs Fujifilm GFX 100S II Sony A1 II
    Sensor Technology BSI-CMOS Stacked BSI-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 49.8 Megapixels
    Image Resolution 11648 x 8736 pixels 8640 x 5760 pixels
    Pixel Pitch 3.76 μm 4.16 μm
    Pixel Density 7.06 MP/cm2 5.78 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 8k/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 32,000 ISO
    ISO Boost 50 - 102,400 ISO 50 - 102,400 ISO
    Image Processor X-Processor 5 Dual BIONZ XR
    Screen Specs Fujifilm GFX 100S II Sony A1 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.84x 0.9x
    Viewfinder Resolution 5760k dots 9437k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2360k dots 2100k dots
    LCD Attachment Fully flexible screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100S II Sony A1 II
    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 7 shutter flaps/s 30 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/32000s
    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 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 100S II Sony A1 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket 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 100S II Sony A1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Sony NP-FZ100
    Battery Life (CIPA)530 shots per charge520 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 150 x 104 x 87 mm
    (5.9 x 4.1 x 3.4 in)
    136 x 97 x 83 mm
    (5.4 x 3.8 x 3.3 in)
    Camera Weight 883 g (31.1 oz) 743 g (26.2 oz)
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