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Fujifilm X-T4 vs Panasonic S1R

The Fujifilm X-T4 and the Panasonic Lumix DC-S1R are two enthusiast cameras that were revealed to the public, respectively, in February 2020 and February 2019. Both the X-T4 and the S1R are mirrorless interchangeable lens cameras that are based on an APS-C (X-T4) and a full frame (S1R) sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Panasonic provides 46.7 MP.

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

Headline Specifications
Fujifilm X-T4 versus Panasonic S1R
Fujifilm X-T4 Panasonic S1R
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Leica L mount lenses
26 MP, APS-C Sensor 46.7 MP, Full Frame Sensor
4K/60p Video 4K/60p Video
ISO 160-12,800 (80 - 51,200) ISO 100-25,600 (50 - 51,200)
Electronic viewfinder (3690k dots) Electronic viewfinder (5760k dots)
3.0 LCD, 1620k dots 3.2 LCD, 2100k dots
Swivel touchscreen Fully flexible touchscreen
15 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
500 shots per battery charge380 shots per battery charge
135 x 93 x 64 mm, 607 g 149 x 110 x 97 mm, 1016 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-T4 and the Panasonic Lumix DC-S1R? 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

An illustration of the physical size and weight of the Fujifilm X-T4 and the Panasonic S1R is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The X-T4 can be obtained in two different colors (black, silver), while the S1R is only available in black.

Size Fujifilm X-T4 vs Panasonic S1R
Compare X-T4 versus S1R top
Comparison X-T4 or S1R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1R is notably larger (31 percent) than the Fujifilm X-T4. Moreover, the S1R is substantially heavier (67 percent) than the X-T4. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the X-T4 gets 500 shots out of its NP-W235 battery, while the S1R can take 380 images on a single charge of its DMW-BLJ31 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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 X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 i
2.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 i
3.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 i
4.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 1,399 i
5.
 
Fujifilm X-Pro3 141 mm 83 mm 46 mm 497 g 440 Y Oct 2019 1,799 i
6.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 1,499i
7.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899 i
8.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 1,699 i
9.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 1,599i
10.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 i
11.
 
Nikon Z5 134 mm 101 mm 67 mm 675 g 470 Y Jul 2020 1,399 i
12.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399i
13.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 i
14.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
15.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 i
16.
 
Sony A6600 120 mm 67 mm 69 mm 503 g 810 Y Aug 2019 1,399 i
17.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The 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-T4 was launched at a markedly lower price (by 54 percent) than the S1R, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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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. 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-T4 features an APS-C sensor and the Panasonic S1R a full frame sensor. The sensor area in the S1R is 135 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-T4 and Panasonic S1R sensor measures

With 46.7MP, the S1R offers a higher resolution than the X-T4 (26MP), but the S1R nevertheless has larger individual pixels (pixel pitch of 4.30μm versus 3.76μm for the X-T4) due to its larger sensor. However, the X-T4 is a somewhat more recent model (by 1 year) than the S1R, and its sensor might 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 Panasonic S1R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1R for good quality output (200 dots per inch) amounts to 41.8 x 27.9 inches or 106.3 x 70.9 cm, for very good quality (250 dpi) 33.5 x 22.3 inches or 85 x 56.7 cm, and for excellent quality (300 dpi) 27.9 x 18.6 inches or 70.8 x 47.3 cm. The corresponding values for the Fujifilm X-T4 are 31.2 x 20.8 inches or 79.2 x 52.8 cm for good quality, 25 x 16.6 inches or 63.4 x 42.3 cm for very good quality, and 20.8 x 13.9 inches or 52.8 x 35.2 cm for excellent quality prints.

The X-T4 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the X-T4, the S1R has the capacity to capture high quality composite images (187MP) 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-T4 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-S1R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

X-T4 versus S1R MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p........
2.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
3.
 
Canon R5 Full Frame 44.8 8192 54648k/30p25.314.6304295
4.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p........
5.
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p........
6.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p........
7.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p........
8.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p........
9.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p........
10.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p........
11.
 
Nikon Z5 Full Frame 24.2 6016 40164K/30p........
12.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
13.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p........
14.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
15.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........
16.
 
Sony A6600 APS-C 24.0 6000 40004K/30p23.813.4149782
17.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/60p).

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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 S1R offers a substantially higher resolution than the one in the X-T4 (5760k vs 3690k dots). The following table reports on some other key feature differences and similarities of the Fujifilm X-T4, the Panasonic S1R, and comparable 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 X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y
2.
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
3.
 
Canon R55760 Y 3.2 2100 swivel Y 1/8000s 10.0 n Y
4.
 
Fujifilm X100V3690 n 3.0 1620 tilting Y 1/4000s 11.0 Y n
5.
 
Fujifilm X-Pro33690 n 3.0 1620 tilting Y 1/8000s 8.0 n n
6.
 
Fujifilm X-T33690 n 3.0 1040 tilting Y 1/8000s 11.0 n n
7.
 
Fujifilm X-H13690 Y 3.0 1040 full-flex Y 1/8000s 14.0 n Y
8.
 
Fujifilm X-Pro22360 n 3.0 1620 fixed n 1/8000s 8.0 n n
9.
 
Fujifilm X-T22360 n 3.0 1040 tilting n 1/8000s 8.0 n n
10.
 
Leica SL25760 Y 3.2 2100 fixed Y 1/8000s 10.0 n Y
11.
 
Nikon Z53690 n 3.2 1040 tilting Y 1/8000s 4.5 n Y
12.
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y
13.
 
Panasonic S52360 n 3.0 1840 full-flex Y 1/8000s 7.0 n Y
14.
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
15.
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y
16.
 
Sony A66002359 n 3.0 922 tilting Y 1/4000s 11.0 n Y
17.
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y

One feature that is present on the S1R, but is missing on the X-T4 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The X-T4 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the S1R does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Fujifilm X-T4 and the Panasonic S1R 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-T4 writes its imaging data to SDXC cards, while the S1R uses SDHC or XQD cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Moreover, both the X-T4 and the S1R support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s, on both slots.

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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-T4 and Panasonic Lumix DC-S1R 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 X-T4YstereomonoY-micro3.1Y-Y
2.
 
Panasonic S1RYstereomonoYYfull3.1Y-Y
3.
 
Canon R5YmonomonoYYmicro3.2Y-Y
4.
 
Fujifilm X100VYstereomonoY-micro3.1Y-Y
5.
 
Fujifilm X-Pro3YstereomonoY--3.1Y-Y
6.
 
Fujifilm X-T3YstereomonoYYmicro3.1Y-Y
7.
 
Fujifilm X-H1YstereomonoY-micro3.0Y--
8.
 
Fujifilm X-Pro2YstereomonoY-micro2.0Y--
9.
 
Fujifilm X-T2YstereomonoY-micro3.0Y--
10.
 
Leica SL2YstereomonoYYfull3.1Y-Y
11.
 
Nikon Z5YstereomonoYYmicro3.2Y-Y
12.
 
Nikon Z7YstereomonoYYmicro3.1Y-Y
13.
 
Panasonic S5YstereomonoYYmicro3.2Y-Y
14.
 
Panasonic S1YstereomonoYYfull3.1Y-Y
15.
 
Panasonic S1HYstereomonoYYfull3.1Y-Y
16.
 
Sony A6600YstereomonoYYYES2.0YYY
17.
 
Sony A77YstereomonoY-mini2.0---

It is notable that the S1R has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-T4 lacks such a headphone port.

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

Both the X-T4 and the S1R are recent models that are part of the current product line-up. The X-T4 replaced the earlier Fujifilm X-T3, while the S1R does not have a direct predecessor. 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.

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Review summary

So how do things add up? Is the Fujifilm X-T4 better than the Panasonic S1R or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Fujifilm X-T4:

  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (15 vs 9 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (135x93mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 409g or 40 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (500 versus 380) on a single battery charge.
  • More affordable: Was introduced into a lower priced category (54 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year after the S1R).

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Arguments in favor of the Panasonic Lumix DC-S1R:

  • More detail: Has more megapixels (46.7 vs 26MP), which boosts linear resolution by 34%.
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 3690k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.75x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • 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 1620k dots).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • More heavily discounted: Has been on the market for longer (launched in February 2019).

If the count of relative strengths (bullet points above) is taken as a measure, the S1R is the clear winner of the contest (14 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.

X-T4 08:14 S1R

How about other alternatives? Do the specifications of the Fujifilm X-T4 and the Panasonic S1R 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-T4 or the S1R perform in practice. 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 X-T45/5+ +..5/55/5 Feb 2020 1,699 i
2.
 
Panasonic S1R4.5/5..89/1004.5/54.5/5 Feb 2019 3,699 i
3.
 
Canon R54.5/5..91/1004.5/54.5/5 Jul 2020 3,899 i
4.
 
Fujifilm X100V5/5+ +86/1005/54.5/5 Feb 2020 1,399 i
5.
 
Fujifilm X-Pro34/5+85/1004/5.. Oct 2019 1,799 i
6.
 
Fujifilm X-T35/5+ +88/1005/55/5 Sep 2018 1,499i
7.
 
Fujifilm X-H1..+86/1004.5/54.5/5 Feb 2018 1,899 i
8.
 
Fujifilm X-Pro2..+83/1004.5/54.5/5 Jan 2016 1,699 i
9.
 
Fujifilm X-T25/5+ +86/1004.5/55/5 Jul 2016 1,599i
10.
 
Leica SL24/5....4.5/54/5 Nov 2019 5,999 i
11.
 
Nikon Z54/5..89/1004.5/54/5 Jul 2020 1,399 i
12.
 
Nikon Z75/5+89/1004.5/55/5 Aug 2018 3,399i
13.
 
Panasonic S54.5/5+ +88/1004.5/54.5/5 Sep 2020 1,999 i
14.
 
Panasonic S14.5/5+ +88/1004.5/54/5 Feb 2019 2,499 i
15.
 
Panasonic S1H....90/100.... May 2019 3,999 i
16.
 
Sony A66004/5+83/1004.5/54/5 Aug 2019 1,399 i
17.
 
Sony A775/591/10081/100..5/5 Aug 2011 1,399i
Notes: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time 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 X-T4:
Check Amazon price
Panasonic S1R:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X-T4 vs Panasonic S1R

    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-T4 Panasonic S1R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Leica L mount lenses
    Launch Date February 2020 February 2019
    Launch Price USD 1,699 USD 3,699
    Sensor Specs Fujifilm X-T4 Panasonic S1R
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 36.0 x 24.0 mm
    Sensor Area 366.6 mm2 864 mm2
    Sensor Diagonal 28.2 mm 43.3 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 26 Megapixels 46.7 Megapixels
    Image Resolution 6240 x 4160 pixels 8368 x 5584 pixels
    Pixel Pitch 3.76 μm 4.30 μm
    Pixel Density 7.08 MP/cm2 5.41 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 4K/60p Video
    ISO Setting 160 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 80 - 51,200 ISO 50 - 51,200 ISO
    Image Processor X-Processor 4 Venus
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.4
    DXO Dynamic Range (EV) .. 14.1
    DXO Low Light (ISO) .. 3525
    Screen Specs Fujifilm X-T4 Panasonic S1R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.75x 0.78x
    Viewfinder Resolution 3690k dots 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1620k dots 2100k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-T4 Panasonic S1R
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 15 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy300 000 actuations400 000 actuations
    Electronic Shutterup to 1/32000sup to 1/8000s
    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 SDXC or XQD cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support Dual UHS-II Dual UHS-II
    Connectivity Specs Fujifilm X-T4 Panasonic S1R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 3.1
    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-T4 Panasonic S1R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-W235 DMW-BLJ31
    Battery Life (CIPA)500 shots per charge380 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 135 x 93 x 64 mm
    (5.3 x 3.7 x 2.5 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 607 g (21.4 oz) 1016 g (35.8 oz)

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