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Fujifilm GFX 100 vs Olympus E-M5 III

The Fujifilm GFX 100 and the Olympus OM-D E-M5 Mark III are two digital cameras that were announced, respectively, in May 2019 and October 2019. Both the GFX 100 and the E-M5 III are mirrorless interchangeable lens cameras that are based on a medium format (GFX 100) and a Four Thirds (E-M5 III) sensor. The Fujifilm has a resolution of 101.8 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 GFX 100 VS Olympus E-M5 III
Fujifilm GFX 100 Olympus E-M5 III
Mirrorless system camera Mirrorless system camera
Fujifilm G mount lenses Micro Four Thirds lenses
101.8 MP, Medium Format Sensor 20.2 MP, Four Thirds Sensor
4K/30p Video 4k/24p Video
ISO 100-12800 (50-102400) ISO 200-25600
Viewfinder optional Electronic viewfinder (2360k dots)
3.2" LCD, 2360k dots 3.0" LCD, 1040k dots
Tilting touchscreen Swivel touchscreen
5 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
800 shots per battery charge310 shots per battery charge
156 x 144 x 75 mm, 1320 g 125 x 85 x 50 mm, 414 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100 and the Olympus OM-D E-M5 Mark III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

An illustration of the physical size and weight of the Fujifilm GFX 100 and the Olympus E-M5 III 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 size dimensions are rounded to the nearest millimeter.

The E-M5 III can be obtained in two different colors (black, silver), while the GFX 100 is only available in black.

Size Fujifilm GFX 100 vs Olympus E-M5 III
Compare GFX 100 versus E-M5 III top
Comparison GFX 100 or E-M5 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 III is considerably smaller (53 percent) than the Fujifilm GFX 100. Moreover, the E-M5 III is substantially lighter (69 percent) than the GFX 100. 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 GFX 100 gets 800 shots out of its NP-T125 battery, while the E-M5 III can take 310 images on a single charge of its BLS-50 power pack. As can be seen in the images above, the GFX 100 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Fujifilm GFX 100» 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 9,999 iFujifilm GFX 100
 
Olympus E-M5 III« 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 iOlympus E-M5 III
 
Fujifilm X-T4« » 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 iFujifilm X-T4
 
Fujifilm XP140« » 110 mm 71 mm 28 mm 207 g 240 Y Feb 2019 229 iFujifilm XP140
 
Fujifilm X-H1« » 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899 iFujifilm X-H1
 
Fujifilm GFX 50R« » 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499 iFujifilm GFX 50R
 
Nikon Z6« » 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999 iNikon Z6
 
Nikon Z7« » 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399 iNikon Z7
 
Olympus E-M1X« » 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999 iOlympus E-M1X
 
Olympus PEN-F« » 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II« » 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1« » 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5« » 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299iOlympus E-M5
 
Panasonic S1« » 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 iPanasonic S1
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199iPanasonic GX8
 
Pentax K-1 II« » 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 iPentax K-1 II
 
Sony A7 III« » 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 iSony A7 III
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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-M5 III was launched at a markedly lower price (by 88 percent) than the GFX 100, 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.

 

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 GFX 100 features a medium format sensor and the Olympus E-M5 III a Four Thirds sensor. The sensor area in the E-M5 III is 84 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Fujifilm GFX 100 and Olympus E-M5 III sensor measures

With 101.8MP, the GFX 100 offers a higher resolution than the E-M5 III (20.2MP), but the GFX 100 nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 3.34μm for the E-M5 III) due to its larger sensor. However, the E-M5 III is a somewhat more recent model (by 4 months) than the GFX 100, and its sensor might have benefitted from technological advances during this time that 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 GFX 100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100 for good quality output (200 dots per inch) amounts to 58.2 x 43.7 inch or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inch or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inch or 98.6 x 74 cm. The corresponding values for the Olympus E-M5 III are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

Unlike the GFX 100, the E-M5 III has the capacity to capture high quality composite images (80MP) 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 GFX 100 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-102400. The corresponding ISO settings for the Olympus OM-D E-M5 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

GFX 100 versus E-M5 III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p........Fujifilm GFX 100
 
Olympus E-M5 III Four Thirds 20.2 5184 38884k/24p........Olympus E-M5 III
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p........Fujifilm X-T4
 
Fujifilm XP140 1/2.3 15.9 4608 34564K/15p........Fujifilm XP140
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p........Fujifilm X-H1
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p........Fujifilm GFX 50R
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899Nikon Z7
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p........Olympus E-M1X
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i........Pentax K-1 II
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III

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 GFX 100 provides a higher frame rate than the E-M5 III. It can shoot video footage at 4K/30p, while the Olympus is limited to 4k/24p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M5 III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GFX 100 relies on live view and the rear LCD for framing. That said, the GFX 100 can be equipped with an optional viewfinder – the EVF-GFX2. The table below summarizes some of the other core capabilities of the Fujifilm GFX 100 and Olympus E-M5 III in connection with corresponding information for a sample of similar cameras.

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
Camera
Model
 
Fujifilm GFX 100optional Y 3.2 2360 tilting Y 1/4000s 5.0 n Y Fujifilm GFX 100
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Olympus E-M5 III
 
Fujifilm X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y Fujifilm X-T4
 
Fujifilm XP140none n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP140
 
Fujifilm X-H13690 Y 3.0 1040 full-flex Y 1/8000s 14.0 n Y Fujifilm X-H1
 
Fujifilm GFX 50R3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n Fujifilm GFX 50R
 
Nikon Z63690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y Nikon Z7
 
Olympus E-M1X2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1X
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Pentax K-1 IIoptical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1 II
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III

One feature that is present on the GFX 100, but is missing on the E-M5 III 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 E-M5 III has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the GFX 100 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 GFX 100 and the Olympus E-M5 III both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the GFX 100 and the E-M5 III write their files to SDXC cards. The GFX 100 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M5 III 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 GFX 100 and Olympus OM-D E-M5 Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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
Camera
Model
 
Fujifilm GFX 100YstereomonoYYmicro3.1Y-YFujifilm GFX 100
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-YOlympus E-M5 III
 
Fujifilm X-T4YstereomonoY-micro3.1Y-YFujifilm X-T4
 
Fujifilm XP140-monomono--micro2.0Y-YFujifilm XP140
 
Fujifilm X-H1YstereomonoY-micro3.0Y--Fujifilm X-H1
 
Fujifilm GFX 50RYstereomonoYYmicro3.0Y-YFujifilm GFX 50R
 
Nikon Z6YstereomonoYYmicro3.1Y-YNikon Z6
 
Nikon Z7YstereomonoYYmicro3.1Y-YNikon Z7
 
Olympus E-M1XYstereomonoYYmicro3.0Y-YOlympus E-M1X
 
Olympus PEN-FYstereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M1YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-M5Ystereomono--mini2.0---Olympus E-M5
 
Panasonic S1YstereomonoYYfull3.1Y-YPanasonic S1
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8
 
Pentax K-1 IIYstereomonoYYmicro2.0Y--Pentax K-1 II
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III

It is notable that the GFX 100 has a headphone jack, which is not present on the E-M5 III This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

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

Both the GFX 100 and the E-M5 III are recent models that are part of the current product line-up. The E-M5 III replaced the earlier Olympus E-M5 II, while the GFX 100 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 Olympus websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Fujifilm GFX 100 or the Olympus E-M5 III – 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 GFX 100:

  • More detail: Offers more megapixels (101.8 vs 20.2MP) with a 125% higher linear resolution.
  • 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 video: Provides higher movie framerates (4K/30p versus 4k/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier setting verification: Features an LCD display on top to control 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 (2360k vs 1040k dots).
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (800 versus 310) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in May 2019).

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Advantages of the Olympus OM-D E-M5 Mark III:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (125x85mm vs 156x144mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 906g or 69 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More modern: Was introduced somewhat (4 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 100 is the clear winner of the match-up (15 : 10 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.

GFX 100 15:10 E-M5 III

How about other alternatives? Do the specifications of the Fujifilm GFX 100 and the Olympus E-M5 III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the GFX 100 and the E-M5 III in practical situations. 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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Fujifilm GFX 100+ +90/1005/54.5/54.5/5 May 2019 9,999 iFujifilm GFX 100
 
Olympus E-M5 III+82/1004.5/5..4.5/5 Oct 2019 1,199 iOlympus E-M5 III
 
Fujifilm X-T4+ +......5/5 Feb 2020 1,699 iFujifilm X-T4
 
Fujifilm XP140+..3.5/5..4/5 Feb 2019 229 iFujifilm XP140
 
Fujifilm X-H1+86/1004.5/5..4.5/5 Feb 2018 1,899 iFujifilm X-H1
 
Fujifilm GFX 50R..84/1004.5/54.5/54.5/5 Sep 2018 4,499 iFujifilm GFX 50R
 
Nikon Z6....4.5/54.5/55/5 Aug 2018 1,999 iNikon Z6
 
Nikon Z7+89/1004.5/54.5/55/5 Aug 2018 3,399 iNikon Z7
 
Olympus E-M1Xo..4.5/55/5.. Jan 2019 2,999 iOlympus E-M1X
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5+ +80/1004.5/55/55/5 Feb 2012 1,299iOlympus E-M5
 
Panasonic S1+ +88/1004.5/5..4/5 Feb 2019 2,499 iPanasonic S1
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
 
Pentax K-1 II..79/1004.5/54.5/54.5/5 Feb 2018 1,999 iPentax K-1 II
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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, please note that some of the review sites have changed their methodology and reporting over time.

Fujifilm GFX 100:
Check Amazon price
Olympus E-M5 III:
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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Fujifilm GFX 100 vs Olympus E-M5 III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Fujifilm GFX 100 Olympus E-M5 III
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm G mount lenses Micro Four Thirds lenses
    Launch Date May 2019 October 2019
    Launch Price USD 9999 USD 1199
    Sensor Specs Fujifilm GFX 100 Olympus E-M5 III
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Four Thirds Sensor
    Sensor Size 43.8 x 32.9 mm 17.3 x 13.0 mm
    Sensor Area 1441.02 mm2 224.9 mm2
    Sensor Diagonal 54.8 mm 21.6 mm
    Crop Factor 0.79x 2.0x
    Sensor Resolution 101.8 Megapixels 20.2 Megapixels
    Image Resolution 11648 x 8736 pixels 5184 x 3888 pixels
    Pixel Pitch 3.76 μm 3.34 μm
    Pixel Density 7.06 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4k/24p Video
    ISO Setting 100-12800 ISO 200-25600 ISO
    ISO Boost 50-102400 ISO 64-25600 ISO
    Image Processor X-Processor 4 TruePic VIII
    Screen Specs Fujifilm GFX 100 Olympus E-M5 III
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.68x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 2360k dots 1040k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100 Olympus E-M5 III
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 5 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/32000s
    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 cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-II
    Connectivity Specs Fujifilm GFX 100 Olympus E-M5 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    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 GFX 100 Olympus E-M5 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-T125 BLS-50
    Battery Life (CIPA)800 shots per charge310 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 156 x 144 x 75 mm
    (6.1 x 5.7 x 3.0 in)
    125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    Camera Weight 1320 g (46.6 oz) 414 g (14.6 oz)

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