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Fujifilm X-S20 vs Olympus E-M10 IV

The Fujifilm X-S20 and the Olympus OM-D E-M10 Mark IV are two digital cameras that were officially introduced, respectively, in May 2023 and August 2020. Both the X-S20 and the E-M10 IV are mirrorless interchangeable lens cameras that are based on an APS-C (X-S20) and a Four Thirds (E-M10 IV) sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Olympus provides 20.2 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
Olympus E-M10 IV
Fujifilm X-S20   Olympus E-M10 IV
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Micro Four Thirds lenses
26 MP – APS-C sensor 20.2 MP – Four Thirds sensor
4K/60p Video 4K/30p Video
ISO 160-12,800 (80 - 51,200) ISO 200-25,600
Electronic viewfinder (2360k dots) Electronic viewfinder (2360k dots)
3.0" LCD – 1840k dots 3.0" LCD – 1040k dots
Swivel touchscreen Tilting touchscreen
8 shutter flaps per second 15 shutter flaps per second
In-body stabilizationIn-body stabilization
750 shots per battery charge360 shots per battery charge
128 x 85 x 65 mm, 491 g 122 x 84 x 49 mm, 383 g
logo
Check X-S20 price at
amazon.com
logo
Check E-M10 IV price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-S20 and the Olympus OM-D E-M10 Mark IV? 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

An illustration of the physical size and weight of the Fujifilm X-S20 and the Olympus E-M10 IV is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The E-M10 IV can be obtained in two different colors (black, silver), while the X-S20 is only available in black.

Size Fujifilm X-S20 vs Olympus E-M10 IV
Compare X-S20 versus E-M10 IV top
Comparison X-S20 or E-M10 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 IV is notably smaller (6 percent) than the Fujifilm X-S20. Moreover, the E-M10 IV is markedly lighter (22 percent) than the X-S20. In this context, it is worth noting that neither the X-S20 nor the E-M10 IV are weather-sealed.

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-S20) and the Micro Four Thirds Lens Catalog (E-M10 IV). 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-S20 gets 750 shots out of its Fujifilm NP-W235 battery, while the E-M10 IV can take 360 images on a single charge of its Olympus BLS-50 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
  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.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 US$ 699 amazon.com
3.
 
Fujifilm X-H2S 136 mm 93 mm 85 mm 660 g 580 Y May 2022 US$ 2 499 amazon.com
4.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 US$ 999 amazon.com
5.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 US$ 1 499ebay.com
6.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 US$ 1 699ebay.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-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 US$ 599ebay.com
9.
 
Fujifilm X-T200 121 mm 84 mm 55 mm 370 g 270 n Jan 2020 US$ 699ebay.com
10.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 US$ 1 299ebay.com
11.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 US$ 1 399ebay.com
12.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 US$ 699ebay.com
13.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 US$ 649ebay.com
14.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 US$ 649ebay.com
15.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 US$ 799 amazon.com
16.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 US$ 599ebay.com
17.
 
Sony A6700 122 mm 69 mm 64 mm 493 g 570 Y Jul 2023 US$ 1 399 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-M10 IV was launched at a markedly lower price (by 46 percent) than the X-S20, 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-S20 features an APS-C sensor and the Olympus E-M10 IV a Four Thirds sensor. The sensor area in the E-M10 IV is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the X-S20 has a native 3:2 aspect ratio, while the one in the E-M10 IV offers a 4:3 aspect.

Fujifilm X-S20 and Olympus E-M10 IV sensor measures

With 26MP, the X-S20 offers a higher resolution than the E-M10 IV (20.2MP), but the X-S20 nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 3.34μm for the E-M10 IV) due to its larger sensor. Moreover, the X-S20 is a much more recent model (by 2 years and 9 months) than the E-M10 IV, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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 Fujifilm X-S20 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-S20 for good quality output (200 dots per inch) amounts to 31.2 x 20.8 inches or 79.2 x 52.8 cm, for very good quality (250 dpi) 25 x 16.6 inches or 63.4 x 42.3 cm, and for excellent quality (300 dpi) 20.8 x 13.9 inches or 52.8 x 35.2 cm. The corresponding values for the Olympus E-M10 IV are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The X-S20 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

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 Olympus OM-D E-M10 Mark IV are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the X-S20 is build around a BSI-CMOS sensor, while the E-M10 IV uses a CMOS imager. The X-S20 uses Fujifilm's X-Trans layout of photosites, while the E-M10 IV employs the more common Bayer array.

X-S20 versus E-M10 IV 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-S20 APS-C 26.0 6240 41604K/60p24.314.0231586
2.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
3.
 
Fujifilm X-H2S APS-C 26.0 6240 41606.2k/30p24.313.9222486
4.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
5.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p24.013.4185383
6.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
7.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
8.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
9.
 
Fujifilm X-T200 APS-C 24.0 6000 40004K/30p24.113.6199184
10.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p23.913.2170481
11.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
12.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
13.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
14.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
15.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
16.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
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 can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the X-S20 provides a higher frame rate than the E-M10 IV. It can shoot video footage at 4K/60p, while the Olympus 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 X-S20 and the E-M10 IV are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2360k dots. The table below summarizes some of the other core capabilities of the Fujifilm X-S20 and Olympus E-M10 IV in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm X-S202360 n3.0 / 1840 swivel Y 1/4000s 8.0/s Y Y
2.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
3.
 
Fujifilm X-H2S5760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
4.
 
Fujifilm X-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
5.
 
Fujifilm X-T33690 n3.0 / 1040 full-flex Y 1/8000s 11.0/s n n
6.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
7.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
8.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
9.
 
Fujifilm X-T2002360 n3.5 / 2780 swivel Y 1/4000s 8.0/s Y n
10.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
11.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
12.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
13.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
14.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
15.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
16.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y 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.
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 Olympus E-M10 IV 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.

Concerning the storage of imaging data, both the X-S20 and the E-M10 IV write their files to SDXC cards. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 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-S20 and Olympus OM-D E-M10 Mark IV 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.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
3.
 
Fujifilm X-H2SYstereo / monoYYfull3.0Y-Y
4.
 
Fujifilm X-S10Ystereo / monoY-micro3.2Y-Y
5.
 
Fujifilm X-T3Ystereo / monoYYmicro3.1Y-Y
6.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
7.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
8.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
9.
 
Fujifilm X-T200Ystereo / monoYYmicro3.1Y-Y
10.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
11.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
12.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
13.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
14.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
15.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
16.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

It is notable that the X-S20 has a microphone port, which is missing on the E-M10 IV. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the X-S20 and the E-M10 IV are recent models that are part of the current product line-up. The E-M10 IV replaced the earlier Olympus E-M10 III, while the X-S20 followed on from the Fujifilm X-S10. Further information on the features and operation of the X-S20 and E-M10 IV can be found, respectively, in the Fujifilm X-S20 Manual (free pdf) or the online Olympus E-M10 IV Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Fujifilm X-S20 or the Olympus E-M10 IV – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Fujifilm X-S20:

  • More detail: Offers more megapixels (26 vs 20.2MP) with a 16% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging 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/60p versus 4K/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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 LCD: Has a higher resolution rear screen (1840k vs 1040k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Longer lasting: Can take more shots (750 versus 360) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More modern: Reflects 2 years and 9 months of technical progress since the E-M10 IV launch.

ilogo

Advantages of the Olympus OM-D E-M10 Mark IV:

  • Faster burst: Shoots at higher frequency (15 vs 8 flaps/sec) to capture the decisive moment.
  • Less heavy: Has a lower weight (by 108g or 22 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (46 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2020).

If the number of relative strengths (bullet points above) is taken as a guide, the X-S20 is the clear winner of the match-up (14 : 4 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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-S20 14:04 E-M10 IV

How about other alternatives? Do the specifications of the Fujifilm X-S20 and the Olympus E-M10 IV 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 E-M10 IV perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. 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.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 US$ 699 amazon.com
3.
 
Fujifilm X-H2S5/5+5/590/1005/55/5 May 2022 US$ 2 499 amazon.com
4.
 
Fujifilm X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 US$ 999 amazon.com
5.
 
Fujifilm X-T35/5+ +4.5/588/1005/55/5 Sep 2018 US$ 1 499ebay.com
6.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 US$ 1 699ebay.com
7.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 US$ 1 699 amazon.com
8.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 US$ 599ebay.com
9.
 
Fujifilm X-T2003.5/5..4/582/1004/54.5/5 Jan 2020 US$ 699ebay.com
10.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 US$ 1 299ebay.com
11.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 US$ 1 399ebay.com
12.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 US$ 699ebay.com
13.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 US$ 649ebay.com
14.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 US$ 649ebay.com
15.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 US$ 799 amazon.com
16.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 US$ 599ebay.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 are only valid when referring to cameras in the same category and of the same age. 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. 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-S20 price at
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Check E-M10 IV price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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-S20 vs Olympus E-M10 IV

    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 Olympus E-M10 IV
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Micro Four Thirds lenses
    Launch Date May 2023 August 2020
    Launch Price USD 1,299 USD 699
    Sensor Specs Fujifilm X-S20 Olympus E-M10 IV
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.5 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 366.6 mm2 224.9 mm2
    Sensor Diagonal 28.2 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 26 Megapixels 20.2 Megapixels
    Image Resolution 6240 x 4160 pixels 5184 x 3888 pixels
    Pixel Pitch 3.76 μm 3.34 μm
    Pixel Density 7.08 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 4K/30p Video
    ISO Setting 160 - 12,800 ISO 200 - 25,600 ISO
    ISO Boost 80 - 51,200 ISO 100 - 25,600 ISO
    Image Processor X-Processor 5 TruePic VIII
    Screen Specs Fujifilm X-S20 Olympus E-M10 IV
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.62x
    Viewfinder Resolution 2360k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1840k dots 1040k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-S20 Olympus E-M10 IV
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 8 shutter flaps/s 15 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 Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-II UHS-II
    Connectivity Specs Fujifilm X-S20 Olympus E-M10 IV
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm X-S20 Olympus E-M10 IV
    Battery Type Fujifilm NP-W235 Olympus BLS-50
    Battery Life (CIPA)750 shots per charge360 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)
    122 x 84 x 49 mm
    (4.8 x 3.3 x 1.9 in)
    Camera Weight 491 g (17.3 oz) 383 g (13.5 oz)
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