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Fujifilm X-S20 vs Panasonic S1 II

The Fujifilm X-S20 and the Panasonic Lumix DC-S1 II are two digital cameras that were revealed to the public, respectively, in May 2023 and May 2025. Both the X-S20 and the S1 II are mirrorless interchangeable lens cameras that are based on an APS-C (X-S20) and a full frame (S1 II) sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Panasonic 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-S20
versus
Panasonic S1 II
Fujifilm X-S20   Panasonic S1 II
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Leica L mount lenses
26 MP – APS-C sensor 24 MP – Full Frame sensor
4K/60p Video 6K/30p Video
ISO 160-12,800 (80 - 51,200) ISO 100-51,200 (50 - 204,800)
Electronic viewfinder (2360k dots) Electronic viewfinder (5760k dots)
3.0" LCD – 1840k dots 3.2" LCD – 1840k dots
Swivel touchscreen Fully flexible touchscreen
8 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
750 shots per battery charge350 shots per battery charge
128 x 85 x 65 mm, 491 g 134 x 102 x 92 mm, 800 g
logo
Check X-S20 price at
amazon.com
logo
Check S1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-S20 and the Panasonic Lumix DC-S1 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 side-by-side display below illustrates the physical size and weight of the Fujifilm X-S20 and the Panasonic S1 II. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Fujifilm X-S20 vs Panasonic S1 II
Compare X-S20 versus S1 II top
Comparison X-S20 or S1 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1 II is notably larger (26 percent) than the Fujifilm X-S20. Moreover, the S1 II is substantially heavier (63 percent) than the X-S20. It is noteworthy in this context that the S1 II is splash and dust-proof, while the X-S20 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. 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 X-S20 gets 750 shots out of its Fujifilm NP-W235 battery, while the S1 II can take 350 images on a single charge of its Panasonic DMW-BLK22 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 want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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-S20 128 mm 85 mm 65 mm 491 g 750 n May 2023 US$ 1 299 amazon.com
2.
 
Panasonic S1 II 134 mm 102 mm 92 mm 800 g 350 Y May 2025 US$ 3 199 amazon.com
3.
 
Fujifilm X-E5 125 mm 73 mm 39 mm 445 g 305 n Jun 2025 US$ 1 699 amazon.com
4.
 
Fujifilm X-H2S 136 mm 93 mm 85 mm 660 g 580 Y May 2022 US$ 2 499 amazon.com
5.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 US$ 999 amazon.com
6.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 US$ 1 699 amazon.com
8.
 
Fujifilm X-T50 124 mm 84 mm 49 mm 438 g 305 n May 2024 US$ 1 399 amazon.com
9.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 US$ 599ebay.com
10.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 US$ 1 299ebay.com
11.
 
Leica SL3-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 US$ 5 299 amazon.com
12.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 US$ 2 499ebay.com
13.
 
Panasonic S1R II 134 mm 102 mm 92 mm 795 g 350 Y May 2025 US$ 3 299 amazon.com
14.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 US$ 1 999 amazon.com
15.
 
Panasonic S5 II 134 mm 102 mm 90 mm 740 g 370 Y Jan 2023 US$ 1 999 amazon.com
16.
 
Panasonic S9 126 mm 74 mm 47 mm 486 g 470 n May 2024 US$ 1 499 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 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 X-S20 was launched at a markedly lower price (by 59 percent) than the S1 II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-S20 features an APS-C sensor and the Panasonic S1 II a full frame sensor. The sensor area in the S1 II is 133 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-S20 and Panasonic S1 II sensor measures

Despite having a smaller sensor, the Fujifilm X-S20 offers a higher resolution of 26 megapixels, compared with 24 MP of the Panasonic S1 II. 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 5.97μm for the S1 II). Moreover, it should be noted that the S1 II is a somewhat more recent model (by 1 year and 11 months) than the X-S20, and its sensor might 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 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 X-S20, the S1 II has the capacity to capture high quality composite images (96MP) 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 X-S20 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 Panasonic Lumix DC-S1 II are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. The X-S20 uses Fujifilm's X-Trans layout of photosites, while the S1 II employs the more common Bayer array.

X-S20 versus S1 II 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 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-S20 APS-C 26.0 6240 41604K/60p24.314.0231586
2.
 
Panasonic S1 II Full Frame 24.0 6000 40006K/30p25.414.8340697
3.
 
Fujifilm X-E5 APS-C 39.8 7728 51526.2k/30p24.314.2252386
4.
 
Fujifilm X-H2S APS-C 26.0 6240 41606.2k/30p24.313.9222486
5.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
6.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p24.013.4185383
7.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
8.
 
Fujifilm X-T50 APS-C 39.8 7728 51526.2k/30p24.314.1241886
9.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
10.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p23.913.2170481
11.
 
Leica SL3-S Full Frame 24.0 6000 40006K/30p25.414.8338397
12.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
13.
 
Panasonic S1R II Full Frame 44.2 8144 54248K/30p25.414.8340697
14.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
15.
 
Panasonic S5 II Full Frame 24.0 6000 40006K/30p25.414.6315896
16.
 
Panasonic S9 Full Frame 24.0 6000 40006K/30p25.414.8329796
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 are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the S1 II provides a better video resolution than the X-S20. It can shoot movie footage at 6K/30p, while the Fujifilm is limited to 4K/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the S1 II offers a substantially higher resolution than the one in the X-S20 (5760k vs 2360k dots). The adjacent table lists some of the other core features of the Fujifilm X-S20 and Panasonic S1 II 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-S202360 n3.0 / 1840 swivel Y 1/4000s 8.0/s Y Y
2.
 
Panasonic S1 II5760 n3.2 / 1840 full-flex Y 1/8000s 10.0/s n Y
3.
 
Fujifilm X-E52360 n3.0 / 1040 tilting Y 1/4000s 8.0/s n Y
4.
 
Fujifilm X-H2S5760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
5.
 
Fujifilm X-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
6.
 
Fujifilm X-T33690 n3.0 / 1040 full-flex Y 1/8000s 11.0/s n n
7.
 
Fujifilm X-T53690 n3.0 / 1840 tilting Y 1/8000s 15.0/s n Y
8.
 
Fujifilm X-T502360 n3.0 / 1840 tilting Y 1/4000s 8.0/s Y Y
9.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
10.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
11.
 
Leica SL3-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
12.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
13.
 
Panasonic S1R II5760 n3.2 / 1840 full-flex Y 1/8000s 9.0/s n Y
14.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
15.
 
Panasonic S5 II3680 n3.0 / 1840 swivel Y 1/8000s 9.0/s n Y
16.
 
Panasonic S9none n3.0 / 1840 swivel Y 1/8000s 30.0/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.

One difference between the cameras concerns the presence of an on-board flash. The X-S20 has one, while the S1 II does not. While the built-in flash of the X-S20 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-S20 and the Panasonic S1 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 X-S20 writes its imaging data to SDXC cards, while the S1 II uses CFexpress (type B) or SDXC cards. The S1 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-S20 only has one slot. 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 X-S20 and Panasonic Lumix DC-S1 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 X-S20Ystereo / monoYYmicro3.2Y-Y
2.
 
Panasonic S1 IIYstereo / monoYYfull3.2Y-Y
3.
 
Fujifilm X-E5Ystereo / monoY-micro3.2Y-Y
4.
 
Fujifilm X-H2SYstereo / monoYYfull3.0Y-Y
5.
 
Fujifilm X-S10Ystereo / monoY-micro3.2Y-Y
6.
 
Fujifilm X-T3Ystereo / monoYYmicro3.1Y-Y
7.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
8.
 
Fujifilm X-T50Ystereo / monoY-micro3.2Y-Y
9.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
10.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
11.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
12.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
13.
 
Panasonic S1R IIYstereo / monoYYfull3.2Y-Y
14.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
15.
 
Panasonic S5 IIYstereo / monoYYfull3.2Y-Y
16.
 
Panasonic S9Ystereo / monoY-micro3.2Y-Y
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

Studio photographers will appreciate that the Panasonic S1 II (unlike the X-S20) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the X-S20 and the S1 II are recent models that are part of the current product line-up. The X-S20 replaced the earlier Fujifilm X-S10, while the S1 II followed on from the Panasonic S1. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Panasonic websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Fujifilm X-S20 and the Panasonic S1 II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Fujifilm X-S20:

  • More compact: Is smaller (128x85mm vs 134x102mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 309g or 39 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (750 versus 350) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in May 2023).

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Arguments in favor of the Panasonic Lumix DC-S1 II:

  • 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 (6K/30p vs 4K/60p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.62x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • 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.
  • More modern: Was introduced somewhat (1 year and 11 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the S1 II is the clear winner of the contest (16 : 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 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.

X-S20 06:16 S1 II

How about other alternatives? Do the specifications of the Fujifilm X-S20 and the Panasonic S1 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the X-S20 or the S1 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 X-S205/5+ +5/586/100..4.5/5 May 2023 US$ 1 299 amazon.com
2.
 
Panasonic S1 II............ May 2025 US$ 3 199 amazon.com
3.
 
Fujifilm X-E5............ Jun 2025 US$ 1 699 amazon.com
4.
 
Fujifilm X-H2S5/5+5/590/1005/55/5 May 2022 US$ 2 499 amazon.com
5.
 
Fujifilm X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 US$ 999 amazon.com
6.
 
Fujifilm X-T35/5+ +4.5/588/1005/55/5 Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 US$ 1 699 amazon.com
8.
 
Fujifilm X-T50......85/100.... May 2024 US$ 1 399 amazon.com
9.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 US$ 599ebay.com
10.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 US$ 1 299ebay.com
11.
 
Leica SL3-S............ Jan 2025 US$ 5 299 amazon.com
12.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 US$ 2 499ebay.com
13.
 
Panasonic S1R II............ May 2025 US$ 3 299 amazon.com
14.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 US$ 1 999 amazon.com
15.
 
Panasonic S5 II4.5/5+ +5/590/1004.5/55/5 Jan 2023 US$ 1 999 amazon.com
16.
 
Panasonic S9............ May 2024 US$ 1 499 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.

The review scores listed above should be treated 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 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 X-S20 price at
amazon.com
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Check S1 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 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 X-S20 vs Panasonic S1 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 X-S20 Panasonic S1 II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Leica L mount lenses
    Launch Date May 2023 May 2025
    Launch Price USD 1,299 USD 3,199
    Sensor Specs Fujifilm X-S20 Panasonic S1 II
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.8 x 23.9 mm
    Sensor Area 366.6 mm2 855.62 mm2
    Sensor Diagonal 28.2 mm 43 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 5.97 μm
    Pixel Density 7.08 MP/cm2 2.80 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 6K/30p Video
    ISO Setting 160 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 80 - 51,200 ISO 50 - 204,800 ISO
    Image Processor X-Processor 5 Venus
    Screen Specs Fujifilm X-S20 Panasonic S1 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.78x
    Viewfinder Resolution 2360k dots 5760k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1840k dots 1840k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-S20 Panasonic S1 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 8 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/16000s
    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 CFexB or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-II UHS-II
    Connectivity Specs Fujifilm X-S20 Panasonic S1 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port micro HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm X-S20 Panasonic S1 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W235 Panasonic DMW-BLK22
    Battery Life (CIPA)750 shots per charge350 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 128 x 85 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    134 x 102 x 92 mm
    (5.3 x 4.0 x 3.6 in)
    Camera Weight 491 g (17.3 oz) 800 g (28.2 oz)
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