Fujifilm GFX 100S vs Ricoh GR IIIx
The Fujifilm GFX 100S and the Ricoh GR IIIx are two digital cameras that were announced, respectively, in January 2021 and September 2021. The GFX 100S is a mirrorless interchangeable lens camera, while the GR IIIx is a fixed lens compact. The cameras are based on a medium format (GFX 100S) and an APS-C (GR IIIx) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Ricoh provides 24 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100S and the Ricoh GR IIIx? 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.
An illustration of the physical size and weight of the Fujifilm GFX 100S and the Ricoh GR IIIx 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 measures are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Ricoh GR IIIx is considerably smaller (57 percent) than the Fujifilm GFX 100S. It is worth mentioning in this context that the GFX 100S is splash and dust resistant, while the GR IIIx does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the GR IIIx has a lens built in, whereas the GFX 100S is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.
Concerning battery life, the GFX 100S gets 460 shots out of its NP-W235 battery, while the GR IIIx can take 200 images on a single charge of its DB-110 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.
|1.||Fujifilm GFX 100S||150 mm||104 mm||87 mm||900 g||460||Y||Jan 2021||5,999||amazon.com|
|2.||Ricoh GR IIIx||109 mm||62 mm||35 mm||262 g||200||n||Sep 2021||999||amazon.com|
|3.||Canon R3||150 mm||143 mm||87 mm||1015 g||760||Y||Sep 2021||5,999||amazon.com|
|4.||Canon R5||138 mm||98 mm||88 mm||738 g||320||Y||Jul 2020||3,899||amazon.com|
|5.||Fujifilm GFX 50S II||150 mm||104 mm||87 mm||900 g||440||Y||Sep 2021||3,999||amazon.com|
|6.||Fujifilm X-T4||135 mm||93 mm||64 mm||607 g||500||Y||Feb 2020||1,699||amazon.com|
|7.||Fujifilm X-S10||126 mm||85 mm||65 mm||465 g||325||n||Oct 2020||999||amazon.com|
|8.||Fujifilm GFX 100||156 mm||144 mm||75 mm||1320 g||800||Y||May 2019||9,999||amazon.com|
|9.||Fujifilm GFX 50R||161 mm||97 mm||66 mm||775 g||400||Y||Sep 2018||4,499||amazon.com|
|10.||Fujifilm GFX 50S||148 mm||94 mm||91 mm||740 g||400||Y||Sep 2016||6,499||ebay.com|
|11.||Hasselblad X1D II||148 mm||97 mm||70 mm||766 g||..||Y||Jun 2019||5,750||amazon.com|
|12.||Leica SL2||146 mm||107 mm||42 mm||953 g||370||Y||Nov 2019||5,999||amazon.com|
|13.||Ricoh GR III||109 mm||62 mm||33 mm||257 g||200||n||Feb 2019||899||amazon.com|
|14.||Ricoh GR II||117 mm||63 mm||35 mm||251 g||320||n||Jun 2015||699||amazon.com|
|15.||Sony A1||129 mm||97 mm||81 mm||737 g||530||Y||Jan 2021||6,499||amazon.com|
|16.||Sony RX100 VI||102 mm||58 mm||43 mm||301 g||240||n||Jun 2018||1,199||ebay.com|
|17.||Sony RX100 V||102 mm||58 mm||41 mm||299 g||220||n||Oct 2016||999||ebay.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 GR IIIx was launched at a lower price than the GFX 100S, despite having a lens built in. 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.
The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Fujifilm GFX 100S features a medium format sensor and the Ricoh GR IIIx an APS-C sensor. The sensor area in the GR IIIx is 75 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.5. The sensor in the GFX 100S has a native 4:3 aspect ratio, while the one in the GR IIIx offers a 3:2 aspect.
With 101.8MP, the GFX 100S offers a higher resolution than the GR IIIx (24MP), but the GFX 100S has smaller individual pixels (pixel pitch of 3.76μm versus 3.91μm for the GR IIIx). Moreover, the GR IIIx is a somewhat more recent model (by 7 months) than the GFX 100S, and its sensor might 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 GFX 100S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100S for good quality output (200 dots per inch) amounts to 58.2 x 43.7 inches or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inches or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inches or 98.6 x 74 cm. The corresponding values for the Ricoh GR IIIx are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.
Unlike the GR IIIx, the GFX 100S has the capacity to capture high quality composite images (YESMP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Fujifilm GFX 100S 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 Ricoh GR IIIx are ISO 100 to ISO 102400 (no boost).
In terms of underlying technology, the GFX 100S is build around a BSI-CMOS sensor, while the GR IIIx uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|1.||Fujifilm GFX 100S||Medium Format||101.8||11648||8736||4K/30p||25.8||14.7||3391||100|
|2.||Ricoh GR IIIx||APS-C||24.0||6000||4000||1080/60p||24.2||13.8||2146||85|
|3.||Canon R3||Full Frame||24.0||6000||4000||6K/60p||25.0||14.7||4086||96|
|4.||Canon R5||Full Frame||44.8||8192||5464||8K/30p||25.3||14.6||3042||95|
|5.||Fujifilm GFX 50S II||Medium Format||51.1||8256||6192||1080/30p||25.9||14.8||3456||100|
|8.||Fujifilm GFX 100||Medium Format||101.8||11648||8736||4K/30p||25.7||14.5||3227||99|
|9.||Fujifilm GFX 50R||Medium Format||51.1||8256||6192||1080/30p||25.7||14.4||3169||98|
|10.||Fujifilm GFX 50S||Medium Format||51.1||8256||6192||1080/30p||25.4||14.1||2977||96|
|11.||Hasselblad X1D II||Medium Format||51.3||8272||6200||none||25.7||14.5||3234||99|
|12.||Leica SL2||Full Frame||46.7||8368||5584||4K/60p||25.3||14.3||2866||95|
|13.||Ricoh GR III||APS-C||24.0||6000||4000||1080/60p||24.1||13.5||1897||83|
|14.||Ricoh GR II||APS-C||16.1||4928||3264||1080/30p||23.6||13.7||1078||80|
|15.||Sony A1||Full Frame||49.8||8640||5760||8k/30p||25.9||14.5||3163||98|
|16.||Sony RX100 VI||1-inch||20.0||5472||3648||4K/30p||22.1||12.3||478||64|
|17.||Sony RX100 V||1-inch||20.0||5472||3648||4K/30p||22.8||12.4||586||70|
|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 GFX 100S provides a higher video resolution than the GR IIIx. It can shoot video footage at 4K/30p, while the Ricoh is limited to 1080/60p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the GFX 100S has an electronic viewfinder (3690k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GR IIIx relies on live view and the rear LCD for framing. That said, the GR IIIx can be equipped with an optional viewfinder – the GV-3. The following table reports on some other key feature differences and similarities of the Fujifilm GFX 100S, the Ricoh GR IIIx, and comparable cameras.
|1.||Fujifilm GFX 100S||3690||Y||3.2 / 2360||full-flex||Y||1/4000s||5.0/s||n||Y|
|2.||Ricoh GR IIIx||optional||n||3.0 / 1037||fixed||Y||1/4000s||4.0/s||n||Y|
|3.||Canon R3||5760||Y||3.2 / 4150||swivel||Y||1/8000s||12.0/s||n||Y|
|4.||Canon R5||5760||Y||3.2 / 2100||swivel||Y||1/8000s||12.0/s||n||Y|
|5.||Fujifilm GFX 50S II||3690||Y||3.2 / 2360||full-flex||Y||1/4000s||3.0/s||n||Y|
|6.||Fujifilm X-T4||3690||n||3.0 / 1620||swivel||Y||1/8000s||15.0/s||n||Y|
|7.||Fujifilm X-S10||2360||n||3.0 / 1040||swivel||Y||1/4000s||8.0/s||Y||Y|
|8.||Fujifilm GFX 100||optional||Y||3.2 / 2360||full-flex||Y||1/4000s||5.0/s||n||Y|
|9.||Fujifilm GFX 50R||3690||n||3.2 / 2360||tilting||Y||1/4000s||3.0/s||n||n|
|10.||Fujifilm GFX 50S||optional||Y||3.2 / 2360||full-flex||Y||1/4000s||3.0/s||n||n|
|11.||Hasselblad X1D II||3690||n||3.6 / 2360||fixed||Y||1/2000s||2.7/s||n||n|
|12.||Leica SL2||5760||Y||3.2 / 2100||fixed||Y||1/8000s||10.0/s||n||Y|
|13.||Ricoh GR III||optional||n||3.0 / 1037||fixed||Y||1/4000s||4.0/s||n||Y|
|14.||Ricoh GR II||optional||n||3.0 / 1230||fixed||n||1/4000s||4.0/s||Y||n|
|15.||Sony A1||9437||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|16.||Sony RX100 VI||2359||n||3.0 / 1229||tilting||Y||1/2000s||24.0/s||Y||Y|
|17.||Sony RX100 V||2359||n||3.0 / 1229||tilting||n||1/2000s||24.0/s||Y||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that is present on the GFX 100S, but is missing on the GR IIIx 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 reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the GFX 100S is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Fujifilm GFX 100S and the Ricoh GR IIIx 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 100S and the GR IIIx write their files to SDXC cards. The GFX 100S features dual card slots, which can be very useful in case a memory card fails. In contrast, the GR IIIx only has one slot. The GFX 100S supports UHS-II cards (on both slots), while the GR IIIx can use UHS-I cards.
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 100S and Ricoh GR IIIx and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Fujifilm GFX 100S||Y||stereo / mono||Y||Y||micro||3.2||Y||-||Y|
|2.||Ricoh GR IIIx||Y||stereo / mono||-||-||-||3.0||Y||-||Y|
|3.||Canon R3||Y||stereo / mono||Y||Y||micro||3.2||Y||-||Y|
|4.||Canon R5||Y||mono / mono||Y||Y||micro||3.2||Y||-||Y|
|5.||Fujifilm GFX 50S II||Y||stereo / mono||Y||Y||micro||3.2||Y||-||-|
|6.||Fujifilm X-T4||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|7.||Fujifilm X-S10||Y||stereo / mono||Y||-||micro||3.2||Y||-||Y|
|8.||Fujifilm GFX 100||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|9.||Fujifilm GFX 50R||Y||stereo / mono||Y||Y||micro||3.0||Y||-||Y|
|10.||Fujifilm GFX 50S||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|11.||Hasselblad X1D II||Y||stereo / mono||Y||Y||-||3.0||Y||-||-|
|12.||Leica SL2||Y||stereo / mono||Y||Y||full||3.1||Y||-||Y|
|13.||Ricoh GR III||Y||stereo / mono||-||-||-||3.0||Y||-||Y|
|14.||Ricoh GR II||Y||stereo / mono||-||-||micro||2.0||Y||Y||-|
|15.||Sony A1||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|16.||Sony RX100 VI||-||stereo / mono||-||-||micro||2.0||Y||Y||Y|
|17.||Sony RX100 V||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
It is notable that the GFX 100S has a microphone port, which is missing on the GR IIIx. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Studio photographers will appreciate that the Fujifilm GFX 100S (unlike the GR IIIx) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the GFX 100S and the GR IIIx are recent models that are part of the current product line-up. The GFX 100S replaced the earlier Fujifilm GFX 100, while the GR IIIx followed on from the Ricoh GR II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Ricoh websites.
So how do things add up? Which of the two cameras – the Fujifilm GFX 100S or the Ricoh GR IIIx – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Arguments in favor of the Fujifilm GFX 100S:
- More detail: Offers more megapixels (101.8 vs 24MP) with a 102% higher linear resolution.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- 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 1037k dots).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- Faster burst: Shoots at higher frequency (5 vs 4 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
- Longer lasting: Can take more shots (460 versus 200) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More heavily discounted: Has been on the market for longer (launched in January 2021).
Reasons to prefer the Ricoh GR IIIx:
- Ready to shoot: Has an integrated lens, whereas the GFX 100S necessitates an extra lens.
- More compact: Is smaller (109x62mm vs 150x104mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight even though it has a lens built in (unlike the GFX 100S).
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More modern: Was introduced somewhat (7 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the GFX 100S is the clear winner of the match-up (19 : 5 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.
How about other alternatives? Do the specifications of the Fujifilm GFX 100S and the Ricoh GR IIIx place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Prime Lens Compact Camera listings 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 remains incomplete and does no justice, for example, to the way the GFX 100S or the GR IIIx 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.
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.
|1.||Fujifilm GFX 100S||5/5||+ +||5/5||90/100||5/5||5/5||Jan 2021||5,999||amazon.com|
|2.||Ricoh GR IIIx||..||..||..||..||..||..||Sep 2021||999||amazon.com|
|3.||Canon R3||..||o||4.5/5||..||..||4.5/5||Sep 2021||5,999||amazon.com|
|4.||Canon R5||4.5/5||+||4/5||91/100||4.5/5||4.5/5||Jul 2020||3,899||amazon.com|
|5.||Fujifilm GFX 50S II||5/5||..||5/5||87/100||..||5/5||Sep 2021||3,999||amazon.com|
|6.||Fujifilm X-T4||5/5||+ +||5/5||88/100||5/5||5/5||Feb 2020||1,699||amazon.com|
|7.||Fujifilm X-S10||5/5||..||4.5/5||86/100||4.5/5||4.5/5||Oct 2020||999||amazon.com|
|8.||Fujifilm GFX 100||4.5/5||+ +||4.8/5||90/100||5/5||4.5/5||May 2019||9,999||amazon.com|
|9.||Fujifilm GFX 50R||5/5||..||5/5||84/100||4.5/5||4.5/5||Sep 2018||4,499||amazon.com|
|10.||Fujifilm GFX 50S||..||..||4.5/5||85/100||5/5||4.5/5||Sep 2016||6,499||ebay.com|
|11.||Hasselblad X1D II||..||..||4/5||..||4/5||4/5||Jun 2019||5,750||amazon.com|
|12.||Leica SL2||4/5||..||4.5/5||..||4.5/5||4/5||Nov 2019||5,999||amazon.com|
|13.||Ricoh GR III||4/5||..||3.5/5||81/100||4/5||..||Feb 2019||899||amazon.com|
|14.||Ricoh GR II||..||..||..||..||4.5/5||4.5/5||Jun 2015||699||amazon.com|
|15.||Sony A1||5/5||o||4.5/5||93/100||4.5/5||5/5||Jan 2021||6,499||amazon.com|
|16.||Sony RX100 VI||4.5/5||+ +||..||83/100||4/5||4.5/5||Jun 2018||1,199||ebay.com|
|17.||Sony RX100 V||4.5/5||+ +||..||83/100||4/5||4.5/5||Oct 2016||999||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 250D vs Ricoh GR IIIx
- Canon G5 X Mark II vs Fujifilm GFX 100S
- Fujifilm GFX 100S vs Fujifilm X-A7
- Fujifilm GFX 100S vs Olympus E-M1 III
- Fujifilm GFX 100S vs Panasonic TS7
- Fujifilm GFX 100S vs Sony A77
- Fujifilm GFX 100S vs Sony RX0 II
- Nikon Z7 II vs Ricoh GR IIIx
- Nikon Z7 vs Ricoh GR IIIx
- Panasonic S1 vs Ricoh GR IIIx
- Ricoh GR IIIx vs Sony A7 IV
- Ricoh GR IIIx vs Sony NEX-F3
Specifications: Fujifilm GFX 100S vs Ricoh GR IIIx
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 Model||Fujifilm GFX 100S||Ricoh GR IIIx|
|Camera Type||Mirrorless system camera||Fixed lens compact camera|
|Camera Lens||Fujifilm G mount lenses||40mm f/2.8|
|Launch Date||January 2021||September 2021|
|Launch Price||USD 5,999||USD 999|
|Sensor Specs||Fujifilm GFX 100S||Ricoh GR IIIx|
|Sensor Format||Medium Format Sensor||APS-C Sensor|
|Sensor Size||43.8 x 32.9 mm||23.5 x 15.6 mm|
|Sensor Area||1441.02 mm2||366.6 mm2|
|Sensor Diagonal||54.8 mm||28.2 mm|
|Sensor Resolution||101.8 Megapixels||24 Megapixels|
|Image Resolution||11648 x 8736 pixels||6000 x 4000 pixels|
|Pixel Pitch||3.76 μm||3.91 μm|
|Pixel Density||7.06 MP/cm2||6.55 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||4K/30p Video||1080/60p Video|
|ISO Setting||100 - 12,800 ISO||100 - 102,400 ISO|
|ISO Boost||50 - 102,400 ISO||no Enhancement|
|Image Processor||X-Processor 4||GR Engine VI|
|Screen Specs||Fujifilm GFX 100S||Ricoh GR IIIx|
|Viewfinder Type||Electronic viewfinder||Viewfinder optional|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||3690k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||2360k dots||1037k dots|
|LCD Attachment||Fully flexible screen||Fixed screen|
|Shooting Specs||Fujifilm GFX 100S||Ricoh GR IIIx|
|Focus System||On-Sensor Phase-detect||On-Sensor Phase-detect|
|Manual Focusing Aid||Focus Peaking||no Peaking Feature|
|Continuous Shooting||5 shutter flaps/s||4 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||In-body stabilization||In-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-I|
|Connectivity Specs||Fujifilm GFX 100S||Ricoh GR IIIx|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.2||USB 3.0|
|HDMI Port||micro HDMI||no 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 GFX 100S||Ricoh GR IIIx|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||460 shots per charge||200 shots per charge|
|In-Camera Charging||USB charging||USB charging|
150 x 104 x 87 mm
(5.9 x 4.1 x 3.4 in)
109 x 62 x 35 mm
(4.3 x 2.4 x 1.4 in)
|Camera Weight||900 g (31.7 oz)||262 g (9.2 oz)|
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