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Fujifilm X100S vs Sony A1

The Fujifilm X100S and the Sony A1 are two digital cameras that were revealed to the public, respectively, in January 2013 and January 2021. The X100S is a fixed lens compact, while the A1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (X100S) and a full frame (A1) sensor. The Fujifilm has a resolution of 16 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 X100S versus Sony A1
Fujifilm X100S Sony A1
Fixed lens compact camera Mirrorless system camera
35mm f/2.0 Sony E mount lenses
16 MP, APS-C Sensor 49.8 MP, Full Frame Sensor
1080/60p Video 8k/30p Video
ISO 200-6,400 (100 - 25,600) ISO 100-32,000 (500 - 102,400)
Electronic viewfinder (2360k dots) Electronic viewfinder (9437k dots)
2.8 LCD, 460k dots 3.0 LCD, 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
not weather sealedWeathersealed body
330 shots per battery charge530 shots per battery charge
127 x 74 x 54 mm, 445 g 129 x 97 x 81 mm, 737 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X100S and the Sony A1? 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.

Body comparison

The physical size and weight of the Fujifilm X100S and the Sony A1 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.

The X100S can be obtained in two different colors (black, silver), while the A1 is only available in black.

Size Fujifilm X100S vs Sony A1
Compare X100S versus A1 top
Comparison X100S or A1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A1 is notably larger (33 percent) than the Fujifilm X100S. It is noteworthy in this context that the A1 is splash and dust-proof, while the X100S does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X100S has a lens built in, whereas the A1 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 A1 and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the X100S gets 330 shots out of its NP-95 battery, while the A1 can take 530 images on a single charge of its NP-FZ100 power pack. The power pack in the A1 can be charged via the USB port, 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X100S 127 mm 74 mm 54 mm 445 g 330 n Jan 2013 1,299i
2.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 i
3.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799i
4.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299i
5.
 
Fujifilm X-T10 118 mm 83 mm 41 mm 381 g 350 n May 2015 799i
6.
 
Fujifilm X30 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 599 i
7.
 
Fujifilm X100T 127 mm 74 mm 52 mm 440 g 330 n Sep 2014 1,299i
8.
 
Fujifilm X-T1 129 mm 90 mm 47 mm 440 g 350 Y Jan 2014 1,299i
9.
 
Fujifilm X-Pro1 140 mm 82 mm 43 mm 450 g 300 n Jan 2012 1,699i
10.
 
Fujifilm X100 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 1,199i
11.
 
Leica X Typ 113 133 mm 73 mm 78 mm 486 g 350 n Sep 2014 2,295i
12.
 
Nikon Coolpix A 111 mm 64 mm 40 mm 299 g 230 n Mar 2013 1,099i
13.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 i
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 i
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
17.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 X100S was launched at a lower price than the A1, 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.

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Sensor comparison

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

Of the two cameras under consideration, the Fujifilm X100S features an APS-C sensor and the Sony A1 a full frame sensor. The sensor area in the A1 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 X100S and Sony A1 sensor measures

With 49.8MP, the A1 offers a higher resolution than the X100S (16MP), but the A1 has smaller individual pixels (pixel pitch of 4.16μm versus 4.80μm for the X100S). Yet, the A1 is a much more recent model (by 8 years) than the X100S, 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.

The resolution advantage of the Sony A1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A1 for good quality output (200 dots per inch) amounts to 43.2 x 28.8 inches or 109.7 x 73.2 cm, for very good quality (250 dpi) 34.6 x 23 inches or 87.8 x 58.5 cm, and for excellent quality (300 dpi) 28.8 x 19.2 inches or 73.2 x 48.8 cm. The corresponding values for the Fujifilm X100S are 24.5 x 16.3 inches or 62.2 x 41.5 cm for good quality, 19.6 x 13.1 inches or 49.7 x 33.2 cm for very good quality, and 16.3 x 10.9 inches or 41.5 x 27.6 cm for excellent quality prints.

Unlike the X100S, the A1 has the capacity to capture high quality composite images (YESMP) 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 X100S has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony A1 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 500-102400.

X100S versus A1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X100S APS-C 16.0 4896 32641080/60p........
2.
 
Sony A1 Full Frame 49.8 8640 57608k/30p........
3.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
4.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........
5.
 
Fujifilm X-T10 APS-C 16.0 4896 32641080/60p........
6.
 
Fujifilm X30 2/3 12.0 4000 30001080/60p........
7.
 
Fujifilm X100T APS-C 16.0 4896 32641080/60p........
8.
 
Fujifilm X-T1 APS-C 16.0 4896 32641080/60p........
9.
 
Fujifilm X-Pro1 APS-C 16.0 4896 32641080/24p........
10.
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
11.
 
Leica X Typ 113 APS-C 16.1 4928 32641080/30p........
12.
 
Nikon Coolpix A APS-C 16.1 4928 32641080/30p23.413.8116480
13.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498

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 A1 provides a better video resolution than the X100S. It can shoot movie footage at 8k/30p, while the Fujifilm is limited to 1080/60p.

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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 review are similar with respect to both having an electronic viewfinder. However, the one in the A1 offers a substantially higher resolution than the one in the X100S (9437k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm X100S and Sony A1 in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm X100S2360 n 2.8 460 fixed n 1/4000s 6.0 Y n
2.
 
Sony A19437 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
3.
 
Canon G1 Xoptical n 3.0 922 Swivel n 1/4000s 1.9 Y Y
4.
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n
5.
 
Fujifilm X-T102360 n 3.0 920 tilting n 1/4000s 8.0 Y n
6.
 
Fujifilm X302360 n 3.0 920 tilting n 1/4000s 12.0 Y Y
7.
 
Fujifilm X100T2360 n 3.0 1040 fixed n 1/4000s 6.0 Y n
8.
 
Fujifilm X-T12360 n 3.0 1040 tilting n 1/4000s 8.0 n n
9.
 
Fujifilm X-Pro11440 n 3.0 1230 fixed n 1/4000s 6.0 n n
10.
 
Fujifilm X1001440 n 2.8 460 fixed n 1/4000s 5.0 Y n
11.
 
Leica X Typ 113optional n 3.0 920 fixed n 1/2000s 5.0 Y n
12.
 
Nikon Coolpix Aoptional n 3.0 921 fixed n 1/2000s 4.0 Y n
13.
 
Sony A7S III9440 n 3.0 1440 swivel Y 1/8000s 10.0 n Y
14.
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
15.
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
16.
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
17.
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The X100S has one, while the A1 does not. While the built-in flash of the X100S is not very powerful, it can at times be useful as a fill-in light.

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, the A1 is one of those camera that have an additional 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 Sony A1 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The X100S writes its imaging data to SDXC cards, while the A1 uses CFexpress or SDXC cards. The A1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the X100S only has one slot. The A1 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the X100S 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 X100S and Sony A1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X100SYstereomono--micro2.0---
2.
 
Sony A1YstereomonoYYmini3.2Y-Y
3.
 
Canon G1 XYstereomono--mini2.0---
4.
 
Fujifilm X100FYstereomonoY-micro2.0Y--
5.
 
Fujifilm X-T10YstereomonoY-micro2.0Y--
6.
 
Fujifilm X30Ystereomono--micro2.0Y--
7.
 
Fujifilm X100TYstereomonoY-micro2.0Y--
8.
 
Fujifilm X-T1YstereomonoY-mini2.0Y--
9.
 
Fujifilm X-Pro1Ystereomono--mini2.0---
10.
 
Fujifilm X100Ystereo---mini2.0---
11.
 
Leica X Typ 113Ystereomono--mini2.0---
12.
 
Nikon Coolpix AYstereomono---2.0---
13.
 
Sony A7S IIIYstereomonoYYfull3.2Y-Y
14.
 
Sony A7R IVYstereomonoYYmicro3.1YYY
15.
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
16.
 
Sony A9YstereomonoYYmicro2.0YYY
17.
 
Sony A7R IIYstereomonoYYmicro2.0YY-

It is notable that the A1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the X100S does not provide wifi capability.

Studio photographers will appreciate that the Sony A1 (unlike the X100S) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A1 is a recent model that features in the current product line-up of Sony. In contrast, the X100S has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the X100S was succeeded by the Fujifilm X100T. 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.

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Review summary

So how do things add up? Is the Fujifilm X100S better than the Sony A1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Fujifilm X100S:

  • Ready to shoot: Has a lens built-in, whereas the A1 requires a separate lens.
  • More compact: Is smaller (127x74mm vs 129x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A1).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in January 2013).

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Advantages of the Sony A1:

  • More detail: Has more megapixels (49.8 vs 16MP), which boosts linear resolution by 76%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • 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 definition movie capture (8k/30p vs 1080/60p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9437k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.9x vs 0.43x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (530 versus 330) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 8 years of technical progress since the X100S launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A1 is the clear winner of the contest (31 : 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 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.

X100S 06:31 A1

How about other alternatives? Do the specifications of the Fujifilm X100S and the Sony A1 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 X100S and the A1 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 why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X100S5/5+ +81/1004.5/55/5 Jan 2013 1,299i
2.
 
Sony A15/5........ Jan 2021 6,499 i
3.
 
Canon G1 X5/5+76/1004/54.5/5 Jan 2012 799i
4.
 
Fujifilm X100F5/5+83/1004.5/54.5/5 Jan 2017 1,299i
5.
 
Fujifilm X-T104.5/5+ +80/1005/55/5 May 2015 799i
6.
 
Fujifilm X304/5..76/1004.5/54.5/5 Aug 2014 599 i
7.
 
Fujifilm X100T5/5+81/1004.5/55/5 Sep 2014 1,299i
8.
 
Fujifilm X-T15/5+ +84/1005/55/5 Jan 2014 1,299i
9.
 
Fujifilm X-Pro15/5+ +79/1004.5/54.5/5 Jan 2012 1,699i
10.
 
Fujifilm X1003/5..75/1004/55/5 Sep 2010 1,199i
11.
 
Leica X Typ 1133.5/5....3.5/54/5 Sep 2014 2,295i
12.
 
Nikon Coolpix A4/5+75/1004/54/5 Mar 2013 1,099i
13.
 
Sony A7S III..+ +91/1004.5/55/5 Jul 2020 3,499 i
14.
 
Sony A7R IV5/5+91/1004.5/55/5 Jul 2019 3,499 i
15.
 
Sony A7R III..+ +90/1004.5/55/5 Oct 2017 3,199i
16.
 
Sony A95/5+ +89/1005/55/5 Apr 2017 4,499i
17.
 
Sony A7R II5/5+ +90/1005/55/5 Jun 2015 3,199i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Fujifilm X100S:
Check Ebay offers
Sony A1:
Check Amazon price

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 X100S vs Sony A1

    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 X100S Sony A1
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 35mm f/2.0 Sony E mount lenses
    Launch Date January 2013 January 2021
    Launch Price USD 1,299 USD 6,499
    Sensor Specs Fujifilm X100S Sony A1
    Sensor Technology 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 16 Megapixels 49.8 Megapixels
    Image Resolution 4896 x 3264 pixels 8640 x 5760 pixels
    Pixel Pitch 4.80 μm 4.16 μm
    Pixel Density 4.34 MP/cm2 5.78 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 8k/30p Video
    ISO Setting 200 - 6,400 ISO 100 - 32,000 ISO
    ISO Boost 100 - 25,600 ISO 500 - 102,400 ISO
    Image Processor EXR Processor II Dual BIONZ XR
    Screen Specs Fujifilm X100S Sony A1
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.43x 0.9x
    Viewfinder Resolution 2360k dots 9437k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.8inch 3.0inch
    LCD Resolution 460k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Fujifilm X100S Sony A1
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexpress or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-II
    Connectivity Specs Fujifilm X100S Sony A1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Fujifilm X100S Sony A1
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NP-95 NP-FZ100
    Battery Life (CIPA)330 shots per charge530 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 74 x 54 mm
    (5.0 x 2.9 x 2.1 in)
    129 x 97 x 81 mm
    (5.1 x 3.8 x 3.2 in)
    Camera Weight 445 g (15.7 oz) 737 g (26.0 oz)

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