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Fujifilm X100VI vs Sony A7R IIIA

The Fujifilm X100VI and the Sony Alpha A7R IIIA are two enthusiast cameras that were officially introduced, respectively, in February 2024 and April 2021. The X100VI is a fixed lens compact, while the A7R IIIA is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (X100VI) and a full frame (A7R IIIA) sensor. The Fujifilm has a resolution of 39.8 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Fujifilm X100VI
versus
Sony A7R IIIA
Fujifilm X100VI   Sony A7R IIIA
Fixed lens compact camera Mirrorless system camera
35mm f/2.0 Sony E mount lenses
39.8 MP – APS-C sensor 42.2 MP – Full Frame sensor
6.2K/30p Video 4K/30p Video
ISO 125-12,800 (64 - 51,200) ISO 100-32,000 (50 - 102,400)
Electronic viewfinder (3690k dots) Electronic viewfinder (3686k dots)
3.0" LCD – 1620k dots 3.0" LCD – 2340k dots
Tilting touchscreen Tilting touchscreen
11 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
450 shots per battery charge650 shots per battery charge
128 x 75 x 55 mm, 521 g 127 x 96 x 74 mm, 650 g
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Check X100VI price at
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Check A7R IIIA price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X100VI and the Sony Alpha A7R IIIA? 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 X100VI and the Sony A7R IIIA 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.

The X100VI can be obtained in two different colors (black, silver), while the A7R IIIA is only available in black.

Size Fujifilm X100VI vs Sony A7R IIIA
Compare X100VI versus A7R IIIA top
Comparison X100VI or A7R IIIA rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R IIIA is notably larger (27 percent) than the Fujifilm X100VI. 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 X100VI has a lens built in, whereas the A7R IIIA 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 A7R IIIA and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the X100VI gets 450 shots out of its Fujifilm NP-W126S battery, while the A7R IIIA 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 adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 X100VI 128 mm 75 mm 55 mm 521 g 450 Y Feb 2024 US$ 1 599 amazon.com
2.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
3.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 US$ 1 699ebay.com
4.
 
Fujifilm X-Pro3 141 mm 83 mm 46 mm 497 g 440 Y Oct 2019 US$ 1 799 amazon.com
5.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 US$ 1 599ebay.com
6.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 US$ 1 699ebay.com
8.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 US$ 1 699 amazon.com
9.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 US$ 1 299ebay.com
10.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 US$ 1 399ebay.com
11.
 
Leica X-U Typ 113 140 mm 79 mm 88 mm 635 g 450 Y Jan 2016 US$ 2 949ebay.com
12.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
13.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
15.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
16.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 amazon.com
17.
 
Sony A6700 122 mm 69 mm 64 mm 493 g 570 Y Jul 2023 US$ 1 399 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 X100VI was launched at a lower price than the A7R IIIA, 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 size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 X100VI features an APS-C sensor and the Sony A7R IIIA a full frame sensor. The sensor area in the A7R IIIA is 134 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X100VI and Sony A7R IIIA sensor measures

With 42.2MP, the A7R IIIA offers a higher resolution than the X100VI (39.8MP), but the A7R IIIA nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 3.04μm for the X100VI) due to its larger sensor. However, the X100VI is a much more recent model (by 2 years and 10 months) than the A7R IIIA, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. 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.

Unlike the X100VI, the A7R IIIA has the capacity to capture high quality composite images 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 X100VI has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 64-51200. The corresponding ISO settings for the Sony Alpha A7R IIIA are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. The X100VI uses Fujifilm's X-Trans layout of photosites, while the A7R IIIA employs the more common Bayer array.

X100VI versus A7R IIIA MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 X100VI APS-C 39.8 7728 51526.2K/30p24.314.1239786
2.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
3.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p23.713.0160880
4.
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p24.113.6196884
5.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p23.813.1165381
6.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p24.013.4185383
7.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
8.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
9.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p23.913.2170481
10.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
11.
 
Leica X-U Typ 113 APS-C 16.1 4928 32641080/30p23.813.0161480
12.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
13.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
16.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
17.
 
Sony A6700 APS-C 25.6 6192 41284K/120p24.314.0232986
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the X100VI provides a higher video resolution than the A7R IIIA. It can shoot video footage at 6.2K/30p, while the Sony is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the X100VI offers a slightly higher resolution than the one in the A7R IIIA (3690k vs 3686k dots). The following table reports on some other key feature differences and similarities of the Fujifilm X100VI, the Sony A7R IIIA, 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 X100VI3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n Y
2.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
3.
 
Fujifilm X-Pro22360 n3.0 / 1620 fixed n 1/8000s 8.0/s n n
4.
 
Fujifilm X-Pro33690 n3.0 / 1620 tilting Y 1/8000s 8.0/s n n
5.
 
Fujifilm X-T22360 n3.0 / 1040 full-flex n 1/8000s 8.0/s n n
6.
 
Fujifilm X-T33690 n3.0 / 1040 full-flex Y 1/8000s 11.0/s n n
7.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
8.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
9.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
10.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
11.
 
Leica X-U Typ 113optional n3.0 / 920 fixed n 1/2000s 5.0/s Y n
12.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
17.
 
Sony A67002360 n3.0 / 1037 swivel Y 1/4000s 11.0/s n Y
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 X100VI and the Sony A7R IIIA 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 X100VI writes its imaging data to SDXC cards, while the A7R IIIA uses SDXC or Memory Stick PRO Duo cards. The A7R IIIA features dual card slots, which can be very useful in case a memory card fails. In contrast, the X100VI only has one slot. Both the X100VI and the A7R IIIA support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the A7R IIIA only offers slower UHS-I transfer rates, though).

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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 X100VI and Sony Alpha A7R IIIA 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 X100VIYstereo / monoY-micro3.2Y-Y
2.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
3.
 
Fujifilm X-Pro2Ystereo / monoY-micro2.0Y--
4.
 
Fujifilm X-Pro3Ystereo / monoY--3.1Y-Y
5.
 
Fujifilm X-T2Ystereo / monoY-micro3.0Y--
6.
 
Fujifilm X-T3Ystereo / monoYYmicro3.1Y-Y
7.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
8.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
9.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
10.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
11.
 
Leica X-U Typ 113Ystereo / mono---2.0---
12.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
13.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
16.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

Studio photographers will appreciate that the Sony A7R IIIA (unlike the X100VI) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the X100VI and the A7R IIIA are recent models that are part of the current product line-up. The A7R IIIA replaced the earlier Sony A7R II, while the X100VI followed on from the Fujifilm X100V. Further information on the features and operation of the X100VI and A7R IIIA can be found, respectively, in the Fujifilm X100VI Manual (free pdf) or the online Sony A7R IIIA Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Fujifilm X100VI and the Sony A7R IIIA? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Fujifilm X100VI:

  • Better video: Provides higher definition movie capture (6.2K/30p vs 4K/30p).
  • Ready to shoot: Has a lens built-in, whereas the A7R IIIA requires a separate lens.
  • More compact: Is smaller (128x75mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R IIIA).
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 2 years and 10 months of technical progress since the A7R IIIA launch.

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Arguments in favor of the Sony Alpha A7R IIIA:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.44x).
  • More detailed LCD: Has a higher resolution rear screen (2340k vs 1620k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 450) out of a single battery charge.
  • 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been around for much longer (launched in April 2021).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R IIIA is the clear winner of the contest (15 : 6 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.

X100VI 06:15 A7R IIIA

How about other alternatives? Do the specifications of the Fujifilm X100VI and the Sony A7R IIIA 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 says little about, for example, the shooting experience and imaging performance of the X100VI and the A7R IIIA in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. 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 X100VI5/5+ +4.5/5....4.5/5 Feb 2024 US$ 1 599 amazon.com
2.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
3.
 
Fujifilm X-Pro2..+..83/1004.5/54.5/5 Jan 2016 US$ 1 699ebay.com
4.
 
Fujifilm X-Pro34/5+4/585/1004/5.. Oct 2019 US$ 1 799 amazon.com
5.
 
Fujifilm X-T25/5+ +..86/1004.5/55/5 Jul 2016 US$ 1 599ebay.com
6.
 
Fujifilm X-T35/5+ +4.5/588/1005/55/5 Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 US$ 1 699ebay.com
8.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 US$ 1 699 amazon.com
9.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 US$ 1 299ebay.com
10.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 US$ 1 399ebay.com
11.
 
Leica X-U Typ 1133.5/5........3.5/5 Jan 2016 US$ 2 949ebay.com
12.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
13.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
15.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
16.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
17.
 
Sony A67004.5/5+4.5/588/1004.5/54.5/5 Jul 2023 US$ 1 399 amazon.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, please note that some of the review sites have changed their methodology and reporting over time.

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Check X100VI 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X100VI vs Sony A7R IIIA

    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 X100VI Sony A7R IIIA
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 35mm f/2.0 Sony E mount lenses
    Launch Date February 2024 April 2021
    Launch Price USD 1,599 USD 3,199
    Sensor Specs Fujifilm X100VI Sony A7R IIIA
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.6 mm 35.9 x 24.0 mm
    Sensor Area 368.16 mm2 861.6 mm2
    Sensor Diagonal 28.3 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 39.8 Megapixels 42.2 Megapixels
    Image Resolution 7728 x 5152 pixels 7952 x 5304 pixels
    Pixel Pitch 3.04 μm 4.52 μm
    Pixel Density 10.81 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 6.2K/30p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 32,000 ISO
    ISO Boost 64 - 51,200 ISO 50 - 102,400 ISO
    Image Processor X-Processor 5 BIONZ X
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3523
    Screen Specs Fujifilm X100VI Sony A7R IIIA
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.44x 0.78x
    Viewfinder Resolution 3690k dots 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1620k dots 2340k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X100VI Sony A7R IIIA
    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 11 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/180000sYES
    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 MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-II Single UHS-II
    Connectivity Specs Fujifilm X100VI Sony A7R IIIA
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no 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 X100VI Sony A7R IIIA
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W126S Sony NP-FZ100
    Battery Life (CIPA)450 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 128 x 75 x 55 mm
    (5.0 x 3.0 x 2.2 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 521 g (18.4 oz) 650 g (22.9 oz)
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