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Fujifilm X-S10 vs Sony A9 III

The Fujifilm X-S10 and the Sony Alpha A9 III are two digital cameras that were announced, respectively, in October 2020 and November 2023. Both the X-S10 and the A9 III are mirrorless interchangeable lens cameras that are based on an APS-C (X-S10) and a full frame (A9 III) sensor. The Fujifilm has a resolution of 26 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 X-S10
versus
Sony A9 III
Fujifilm X-S10   Sony A9 III
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Sony E mount lenses
26 MP – APS-C sensor 24 MP – Full Frame sensor
4K/30p Video 4K/120p Video
ISO 160-12,800 (80 - 51,200) ISO 250-25,600 (125 - 51,200)
Electronic viewfinder (2360k dots) Electronic viewfinder (9440k dots)
3.0" LCD – 1040k dots 3.2" LCD – 2100k dots
Swivel touchscreen Fully flexible touchscreen
8 shutter flaps per second 120 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
325 shots per battery charge530 shots per battery charge
126 x 85 x 65 mm, 465 g 136 x 97 x 83 mm, 702 g
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Check X-S10 price at
amazon.com
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Check A9 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-S10 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 physical size and weight of the Fujifilm X-S10 and the Sony A9 III are illustrated in the side-by-side display below. 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.

Size Fujifilm X-S10 vs Sony A9 III
Compare X-S10 versus A9 III top
Comparison X-S10 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 (23 percent) than the Fujifilm X-S10. Moreover, the A9 III is substantially heavier (51 percent) than the X-S10. It is noteworthy in this context that the A9 III is splash and dust-proof, while the X-S10 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Fujinon X Lens Catalog (X-S10) and the Sony FE Lens Catalog (A9 III). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the X-S10 gets 325 shots out of its Fujifilm NP-W126S 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. 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 X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 US$ 999 amazon.com
2.
 
Sony A9 III 136 mm 97 mm 83 mm 702 g 530 Y Nov 2023 US$ 5 999 amazon.com
3.
 
Fujifilm X-A7 119 mm 68 mm 41 mm 320 g 440 n Sep 2019 US$ 499ebay.com
4.
 
Fujifilm X-E3 121 mm 74 mm 43 mm 337 g 350 n Sep 2017 US$ 899ebay.com
5.
 
Fujifilm X-E4 121 mm 73 mm 33 mm 364 g 380 n Jan 2021 US$ 849 amazon.com
6.
 
Fujifilm X-S20 128 mm 85 mm 65 mm 491 g 750 n May 2023 US$ 1 299 amazon.com
7.
 
Fujifilm X-T20 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 US$ 899ebay.com
8.
 
Fujifilm X-T30 118 mm 83 mm 47 mm 383 g 380 n Feb 2019 US$ 899ebay.com
9.
 
Fujifilm X-T30 II 118 mm 83 mm 47 mm 383 g 380 n Sep 2021 US$ 899 amazon.com
10.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 US$ 599ebay.com
11.
 
Ricoh GR III 109 mm 62 mm 33 mm 257 g 200 n Feb 2019 US$ 899 amazon.com
12.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 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 A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 US$ 899 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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The X-S10 was launched at a markedly lower price (by 83 percent) than the A9 III, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-S10 features an APS-C sensor and the Sony A9 III a full frame sensor. The sensor area in the A9 III is 131 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 X-S10 and Sony A9 III sensor measures

Despite having a smaller sensor, the Fujifilm X-S10 offers a higher resolution of 26 megapixels, compared with 24 MP of the Sony A9 III. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 5.94μm for the A9 III). Moreover, it should be noted that the A9 III is much more recent (by 3 years) than the X-S10, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the X-S10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The Fujifilm X-S10 has a native sensitivity range from ISO 160 to ISO 12800, which can be extended to ISO 80-51200. 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 X-S10 is build around a BSI-CMOS sensor, while the A9 III uses a Stacked CMOS imager. The X-S10 uses Fujifilm's X-Trans layout of photosites, while the A9 III employs the more common Bayer array.

X-S10 versus A9 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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 X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
2.
 
Sony A9 III Full Frame 24.0 6000 40004K/120p25.414.7324396
3.
 
Fujifilm X-A7 APS-C 24.0 6000 40004K/30p24.113.6195584
4.
 
Fujifilm X-E3 APS-C 24.0 6000 40004K/30p23.913.3176482
5.
 
Fujifilm X-E4 APS-C 26.0 6240 41604K/30p24.213.7208585
6.
 
Fujifilm X-S20 APS-C 26.0 6240 41604K/60p24.314.0231586
7.
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p23.913.2170481
8.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p24.113.5189583
9.
 
Fujifilm X-T30 II APS-C 26.0 6240 41604K/30p24.213.8214485
10.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
11.
 
Ricoh GR III APS-C 24.0 6000 40001080/60p24.113.5189783
12.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
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 A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A9 III provides a faster frame rate than the X-S10. It can shoot movie footage at 4K/120p, while the Fujifilm is limited to 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under 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 X-S10 (9440k vs 2360k dots). The adjacent table lists some of the other core features of the Fujifilm X-S10 and Sony A9 III 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 X-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
2.
 
Sony A9 III9440 n3.2 / 2100 full-flex Y 1/80000s 120.0/s n Y
3.
 
Fujifilm X-A7none n3.5 / 2760 swivel Y 1/4000s 6.0/s Y n
4.
 
Fujifilm X-E32360 n3.0 / 1040 fixed Y 1/4000s 8.0/s n n
5.
 
Fujifilm X-E42360 n3.0 / 1620 tilting Y 1/4000s 8.0/s n n
6.
 
Fujifilm X-S202360 n3.0 / 1840 swivel Y 1/4000s 8.0/s Y Y
7.
 
Fujifilm X-T202360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
8.
 
Fujifilm X-T302360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
9.
 
Fujifilm X-T30 II2360 n3.0 / 1620 tilting Y 1/4000s 8.0/s Y n
10.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
11.
 
Ricoh GR IIIoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
12.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/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 A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The X-S10 has one, while the A9 III does not. While the built-in flash of the X-S10 is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 X-S10 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 X-S10 writes its imaging data to SDXC cards, while the A9 III uses CFexpress (type A) or SDXC cards. The A9 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-S10 only has one slot. The A9 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the X-S10 can use UHS-I cards (up to 104 MB/s).

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Fujifilm X-S10 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 X-S10Ystereo / monoY-micro3.2Y-Y
2.
 
Sony A9 IIIYstereo / monoYYfull3.2Y-Y
3.
 
Fujifilm X-A7Ystereo / monoY-micro2.0Y-Y
4.
 
Fujifilm X-E3Ystereo / monoY-micro2.0Y-Y
5.
 
Fujifilm X-E4Ystereo / monoY-micro3.2Y-Y
6.
 
Fujifilm X-S20Ystereo / monoYYmicro3.2Y-Y
7.
 
Fujifilm X-T20Ystereo / monoY-micro2.0Y--
8.
 
Fujifilm X-T30Ystereo / monoY-micro3.1Y-Y
9.
 
Fujifilm X-T30 IIYstereo / monoY-micro3.2Y-Y
10.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
11.
 
Ricoh GR IIIYstereo / mono---3.0Y-Y
12.
 
Sony A1Ystereo / 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 A6400Ystereo / monoY-micro2.0YYY

It is notable that the A9 III has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-S10 lacks such a headphone port.

Studio photographers will appreciate that the Sony A9 III (unlike the X-S10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the X-S10 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 X-S10 does not have a direct predecessor. Further information on the features and operation of the X-S10 and A9 III can be found, respectively, in the Fujifilm X-S10 Manual (free pdf) or the online Sony A9 III Manual.

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Review summary

So what conclusions can be drawn? Is the Fujifilm X-S10 better than the Sony A9 III or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Fujifilm X-S10:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More compact: Is smaller (126x85mm vs 136x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 237g or 34 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (83 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in October 2020).

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Advantages of the Sony Alpha A9 III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher movie framerates (4K/120p versus 4K/30p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9440k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.9x vs 0.62x).
  • 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 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/80000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (120 vs 8 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (530 versus 325) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years of technical progress since the X-S10 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A9 III is the clear winner of the contest (20 : 6 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.

X-S10 06:20 A9 III

How about other alternatives? Do the specifications of the Fujifilm X-S10 and the Sony A9 III 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-S10 or the A9 III. 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 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 X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 US$ 999 amazon.com
2.
 
Sony A9 III4.5/5.......... Nov 2023 US$ 5 999 amazon.com
3.
 
Fujifilm X-A73/5..3.5/581/1004/53.5/5 Sep 2019 US$ 499ebay.com
4.
 
Fujifilm X-E34.5/5+4.5/584/1004.5/54.5/5 Sep 2017 US$ 899ebay.com
5.
 
Fujifilm X-E44/5..4/5..4.5/54/5 Jan 2021 US$ 849 amazon.com
6.
 
Fujifilm X-S205/5+ +5/586/100..4.5/5 May 2023 US$ 1 299 amazon.com
7.
 
Fujifilm X-T205/5+ +5/582/1005/54.5/5 Jan 2017 US$ 899ebay.com
8.
 
Fujifilm X-T305/5+ +5/584/1004.5/54.5/5 Feb 2019 US$ 899ebay.com
9.
 
Fujifilm X-T30 II5/5..4/5..4.5/54.5/5 Sep 2021 US$ 899 amazon.com
10.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 US$ 599ebay.com
11.
 
Ricoh GR III4/5..3.5/581/1004/5.. Feb 2019 US$ 899 amazon.com
12.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 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 A64004/5+4/585/1004.5/54/5 Jan 2019 US$ 899 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check X-S10 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? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. 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 X-S10 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 X-S10 Sony A9 III
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Sony E mount lenses
    Launch Date October 2020 November 2023
    Launch Price USD 999 USD 5,999
    Sensor Specs Fujifilm X-S10 Sony A9 III
    Sensor Technology BSI-CMOS Stacked CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.6 x 23.8 mm
    Sensor Area 366.6 mm2 847.28 mm2
    Sensor Diagonal 28.2 mm 42.8 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 26 Megapixels 24 Megapixels
    Image Resolution 6240 x 4160 pixels 6000 x 4000 pixels
    Pixel Pitch 3.76 μm 5.94 μm
    Pixel Density 7.08 MP/cm2 2.83 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/120p Video
    ISO Setting 160 - 12,800 ISO 250 - 25,600 ISO
    ISO Boost 80 - 51,200 ISO 125 - 51,200 ISO
    Image Processor X-Processor 4 Dual BIONZ XR
    Screen Specs Fujifilm X-S10 Sony A9 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.9x
    Viewfinder Resolution 2360k dots 9440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1040k dots 2100k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-S10 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 8 shutter flaps/s 120 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/80000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexA or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-II
    Connectivity Specs Fujifilm X-S10 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 no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm X-S10 Sony A9 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W126S Sony NP-FZ100
    Battery Life (CIPA)325 shots per charge530 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 126 x 85 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    136 x 97 x 83 mm
    (5.4 x 3.8 x 3.3 in)
    Camera Weight 465 g (16.4 oz) 702 g (24.8 oz)
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