Fujifilm GFX 100RF vs OM System OM-3
The Fujifilm GFX 100RF and the OM System OM-3 are two enthusiast cameras that were revealed to the public, respectively, in March 2025 and February 2025. The GFX 100RF is a fixed lens compact, while the OM-3 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (GFX 100RF) and a Four Thirds (OM-3) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the OM System provides 20.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Check GFX 100RF price at
amazon.com

Check OM-3 price at
amazon.com
Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100RF and the OM System OM-3? 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
The side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 100RF and the OM System OM-3. 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.
Both cameras are available in two different colors (black, silver).



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the OM System OM-3 is somewhat larger (3 percent) than the Fujifilm GFX 100RF. 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 and possibly misleading, as the GFX 100RF has a lens built in, whereas the OM-3 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the OM-3 and their specifications in the Micro Four Thirds Lens Catalog.
Concerning battery life, the GFX 100RF gets 820 shots out of its Fujifilm NP-W235 battery, while the OM-3 can take 590 images on a single charge of its OM System BLX-1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

| Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Fujifilm GFX 100RF | 134 mm | 90 mm | 77 mm | 735 g | 820 | Y | Mar 2025 | US$ 4 899 | amazon.com | |
| 2. | OM System OM-3 | 139 mm | 89 mm | 46 mm | 496 g | 590 | Y | Feb 2025 | US$ 1 999 | amazon.com | |
| 3. | Canon R5 C | 142 mm | 101 mm | 111 mm | 770 g | 320 | Y | Jan 2022 | US$ 4 499 | amazon.com | |
| 4. | Fujifilm GFX 50R | 161 mm | 97 mm | 66 mm | 775 g | 400 | Y | Sep 2018 | US$ 4 499 | ebay.com | |
| 5. | Fujifilm GFX 100S II | 150 mm | 104 mm | 87 mm | 883 g | 530 | Y | May 2024 | US$ 4 999 | amazon.com | |
| 6. | Fujifilm X100V | 128 mm | 75 mm | 53 mm | 478 g | 420 | Y | Feb 2020 | US$ 1 399 | ebay.com | |
| 7. | Fujifilm X100VI | 128 mm | 75 mm | 55 mm | 521 g | 450 | Y | Feb 2024 | US$ 1 599 | amazon.com | |
| 8. | Hasselblad X1D II | 148 mm | 97 mm | 70 mm | 766 g | .. | Y | Jun 2019 | US$ 5 749 | ebay.com | |
| 9. | Leica Q2 | 130 mm | 80 mm | 92 mm | 718 g | 370 | Y | Mar 2019 | US$ 4 999 | amazon.com | |
| 10. | Leica Q3 | 130 mm | 80 mm | 93 mm | 743 g | 350 | Y | May 2023 | US$ 5 999 | amazon.com | |
| 11. | Olympus E-M1 II | 134 mm | 91 mm | 67 mm | 574 g | 440 | Y | Sep 2016 | US$ 1 999 | ebay.com | |
| 12. | Olympus E-M1 III | 134 mm | 91 mm | 69 mm | 580 g | 420 | Y | Feb 2020 | US$ 1 799 | ebay.com | |
| 13. | OM System OM-1 | 135 mm | 92 mm | 73 mm | 599 g | 520 | Y | Feb 2022 | US$ 2 199 | ebay.com | |
| 14. | OM System OM-1 II | 135 mm | 92 mm | 73 mm | 599 g | 500 | Y | Jan 2024 | US$ 2 399 | amazon.com | |
| 15. | OM System OM-5 II | 125 mm | 85 mm | 50 mm | 414 g | 310 | Y | Jun 2025 | US$ 1 199 | amazon.com | |
| 16. | Pentax WG-8 | 118 mm | 66 mm | 33 mm | 242 g | 340 | Y | Jun 2024 | US$ 399 | amazon.com | |
| 17. | Sony RX1R III | 113 mm | 68 mm | 88 mm | 498 g | 300 | Y | Jul 2025 | US$ 5 099 | 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. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
Sensor comparison
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Fujifilm GFX 100RF features a medium format sensor and the OM System OM-3 a Four Thirds sensor. The sensor area in the OM-3 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.

With 101.8MP, the GFX 100RF offers a higher resolution than the OM-3 (20.2MP), but the GFX 100RF nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 3.34μm for the OM-3) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. 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 100RF implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100RF 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 OM System OM-3 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.
Unlike the GFX 100RF, the OM-3 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 100RF has a native sensitivity range from ISO 80 to ISO 12800, which can be extended to ISO 40-102400. The corresponding ISO settings for the OM System OM-3 are ISO 80 to ISO 25600, with the possibility to increase the ISO range to 80-102400.
In terms of underlying technology, the GFX 100RF is build around a BSI-CMOS sensor, while the OM-3 uses a Stacked BSI-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 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

| Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Fujifilm GFX 100RF | Medium Format | 101.8 | 11648 | 8736 | 4K/30p | 25.9 | 15.1 | 3805 | 101 | |
| 2. | OM System OM-3 | Four Thirds | 20.2 | 5184 | 3888 | 4K/60p | 23.4 | 13.7 | 1852 | 78 | |
| 3. | Canon R5 C | Full Frame | 44.8 | 8192 | 5464 | 8k/60p | 25.4 | 14.5 | 3082 | 96 | |
| 4. | Fujifilm GFX 50R | Medium Format | 51.1 | 8256 | 6192 | 1080/30p | 25.7 | 14.4 | 3169 | 98 | |
| 5. | Fujifilm GFX 100S II | Medium Format | 101.8 | 11648 | 8736 | 4K/30p | 25.9 | 15.1 | 3720 | 101 | |
| 6. | Fujifilm X100V | APS-C | 26.0 | 6240 | 4160 | 4K/30p | 24.2 | 13.6 | 1996 | 84 | |
| 7. | Fujifilm X100VI | APS-C | 39.8 | 7728 | 5152 | 6.2K/30p | 24.3 | 14.1 | 2397 | 86 | |
| 8. | Hasselblad X1D II | Medium Format | 51.3 | 8272 | 6200 | 1080/25p | 25.7 | 14.5 | 3234 | 99 | |
| 9. | Leica Q2 | Full Frame | 46.7 | 8368 | 5584 | 4K/30p | 26.4 | 13.5 | 2491 | 96 | |
| 10. | Leica Q3 | Full Frame | 60.3 | 9528 | 6328 | 8K/30p | 25.4 | 14.7 | 3216 | 96 | |
| 11. | Olympus E-M1 II | Four Thirds | 20.2 | 5184 | 3888 | 4K/30p | 23.7 | 12.8 | 1312 | 80 | |
| 12. | Olympus E-M1 III | Four Thirds | 20.2 | 5184 | 3888 | 4K/30p | 23.3 | 13.1 | 1356 | 76 | |
| 13. | OM System OM-1 | Four Thirds | 20.2 | 5184 | 3888 | 4K/60p | 23.4 | 13.4 | 1553 | 77 | |
| 14. | OM System OM-1 II | Four Thirds | 20.2 | 5184 | 3888 | 4K/60p | 23.4 | 13.6 | 1749 | 78 | |
| 15. | OM System OM-5 II | Four Thirds | 20.2 | 5184 | 3888 | 4K/30p | 23.4 | 13.7 | 1889 | 78 | |
| 16. | Pentax WG-8 | 1/2.3 | 20.2 | 5184 | 3888 | 4K/30p | 20.9 | 12.8 | 1626 | 54 | |
| 17. | Sony RX1R III | Full Frame | 60.2 | 9504 | 6336 | 4K/30p | 25.4 | 14.9 | 3417 | 97 | |
| Note: DXO values in italics represent estimates based on sensor size and age. | |||||||||||
Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the OM-3 provides a faster frame rate than the GFX 100RF. It can shoot movie footage at 4K/60p, while the Fujifilm is limited to 4K/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the GFX 100RF offers a substantially higher resolution than the one in the OM-3 (5760k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm GFX 100RF and OM System OM-3 in connection with corresponding information for a sample of similar cameras.

| 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 GFX 100RF | 5760 | n | 3.2 / 2100 | tilting | Y | 1/4000s | 6.0/s | n | n | |
| 2. | OM System OM-3 | 2360 | n | 3.0 / 1640 | swivel | Y | 1/8000s | 6.0/s | n | Y | |
| 3. | Canon R5 C | 5760 | Y | 3.2 / 2100 | swivel | Y | 1/8000s | 12.0/s | n | n | |
| 4. | Fujifilm GFX 50R | 3690 | n | 3.2 / 2360 | tilting | Y | 1/4000s | 3.0/s | n | n | |
| 5. | Fujifilm GFX 100S II | 5760 | Y | 3.2 / 2360 | full-flex | Y | 1/4000s | 7.0/s | n | Y | |
| 6. | Fujifilm X100V | 3690 | n | 3.0 / 1620 | tilting | Y | 1/4000s | 11.0/s | n | n | |
| 7. | Fujifilm X100VI | 3690 | n | 3.0 / 1620 | tilting | Y | 1/4000s | 11.0/s | n | Y | |
| 8. | Hasselblad X1D II | 3690 | n | 3.6 / 2360 | fixed | Y | 1/2000s | 2.7/s | n | n | |
| 9. | Leica Q2 | 3680 | n | 3.0 / 1040 | fixed | Y | 1/2000s | 10.0/s | n | Y | |
| 10. | Leica Q3 | 5760 | n | 3.0 / 1840 | tilting | Y | 1/2000s | 15.0/s | n | Y | |
| 11. | Olympus E-M1 II | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 18.0/s | n | Y | |
| 12. | Olympus E-M1 III | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 18.0/s | n | Y | |
| 13. | OM System OM-1 | 5760 | n | 3.0 / 1640 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| 14. | OM System OM-1 II | 5760 | n | 3.0 / 1640 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| 15. | OM System OM-5 II | 2360 | n | 3.0 / 1040 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| 16. | Pentax WG-8 | none | n | 3.0 / 1040 | fixed | n | 1/4000s | 8.0/s | Y | n | |
| 17. | Sony RX1R III | 2360 | n | 3.0 / 2360 | fixed | Y | 1/4000s | 5.0/s | n | n | |
| Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. | |||||||||||
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 100RF and the OM System OM-3 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 100RF and the OM-3 write their files to SDXC cards. The GFX 100RF features dual card slots, which can be very useful in case a memory card fails. In contrast, the OM-3 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 100RF and OM System OM-3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

| Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Fujifilm GFX 100RF | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
| 2. | OM System OM-3 | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | Y | |
| 3. | Canon R5 C | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
| 4. | Fujifilm GFX 50R | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | Y | |
| 5. | Fujifilm GFX 100S II | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
| 6. | Fujifilm X100V | Y | stereo / mono | Y | - | micro | 3.1 | Y | - | Y | |
| 7. | Fujifilm X100VI | Y | stereo / mono | Y | - | micro | 3.2 | Y | - | Y | |
| 8. | Hasselblad X1D II | Y | stereo / mono | Y | Y | - | 3.0 | Y | - | - | |
| 9. | Leica Q2 | Y | stereo / mono | - | - | - | - | Y | - | Y | |
| 10. | Leica Q3 | Y | stereo / mono | - | - | micro | 3.1 | Y | - | Y | |
| 11. | Olympus E-M1 II | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | - | |
| 12. | Olympus E-M1 III | Y | stereo / mono | Y | Y | micro | 3.1 | Y | - | Y | |
| 13. | OM System OM-1 | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | Y | |
| 14. | OM System OM-1 II | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | Y | |
| 15. | OM System OM-5 II | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | Y | |
| 16. | Pentax WG-8 | - | mono / mono | - | - | - | 3.0 | - | - | - | |
| 17. | Sony RX1R III | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y |
Both the GFX 100RF and the OM-3 are recent models that are part of the current product line-up. Neither of the two has a direct predecessor, so perhaps they will constitute the origins of new camera lines for Fujifilm and OM System. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and OM System websites.
Review summary
So what is the bottom line? Which of the two cameras – the Fujifilm GFX 100RF or the OM System OM-3 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

Advantages of the Fujifilm GFX 100RF:
- 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.
- More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2360k dots).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.84x vs 0.69x).
- 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 1640k dots).
- Ready to shoot: Has a lens built-in, whereas the OM-3 requires a separate lens.
- Longer lasting: Can take more shots (820 versus 590) on a single battery charge.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.

Arguments in favor of the OM System OM-3:
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
- 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.
- More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
If the count of individual advantages (bullet points above) is taken as a guide, the GFX 100RF is the clear winner of the match-up (12 : 7 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 100RF and the OM System OM-3 place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GFX 100RF or the OM-3. 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 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.

| Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Fujifilm GFX 100RF | .. | .. | .. | .. | .. | .. | Mar 2025 | US$ 4 899 | amazon.com | |
| 2. | OM System OM-3 | .. | .. | .. | 86/100 | .. | .. | Feb 2025 | US$ 1 999 | amazon.com | |
| 3. | Canon R5 C | .. | + + | .. | .. | .. | .. | Jan 2022 | US$ 4 499 | amazon.com | |
| 4. | Fujifilm GFX 50R | 5/5 | .. | 5/5 | 84/100 | 4.5/5 | 4.5/5 | Sep 2018 | US$ 4 499 | ebay.com | |
| 5. | Fujifilm GFX 100S II | .. | .. | .. | .. | .. | .. | May 2024 | US$ 4 999 | amazon.com | |
| 6. | Fujifilm X100V | 5/5 | + + | 4.5/5 | 86/100 | 5/5 | 4.5/5 | Feb 2020 | US$ 1 399 | ebay.com | |
| 7. | Fujifilm X100VI | 5/5 | + + | 4.5/5 | 87/100 | .. | 4.5/5 | Feb 2024 | US$ 1 599 | amazon.com | |
| 8. | Hasselblad X1D II | .. | .. | 4/5 | .. | 4/5 | 4/5 | Jun 2019 | US$ 5 749 | ebay.com | |
| 9. | Leica Q2 | .. | .. | 4.5/5 | 84/100 | 4.5/5 | 4/5 | Mar 2019 | US$ 4 999 | amazon.com | |
| 10. | Leica Q3 | 5/5 | .. | 4.5/5 | .. | .. | 4.5/5 | May 2023 | US$ 5 999 | amazon.com | |
| 11. | Olympus E-M1 II | 5/5 | + + | 5/5 | 85/100 | 4.5/5 | 4.5/5 | Sep 2016 | US$ 1 999 | ebay.com | |
| 12. | Olympus E-M1 III | 5/5 | .. | 5/5 | 83/100 | 4.5/5 | 4/5 | Feb 2020 | US$ 1 799 | ebay.com | |
| 13. | OM System OM-1 | 5/5 | .. | .. | 87/100 | 5/5 | 4.5/5 | Feb 2022 | US$ 2 199 | ebay.com | |
| 14. | OM System OM-1 II | .. | .. | .. | .. | .. | .. | Jan 2024 | US$ 2 399 | amazon.com | |
| 15. | OM System OM-5 II | .. | .. | .. | .. | .. | .. | Jun 2025 | US$ 1 199 | amazon.com | |
| 16. | Pentax WG-8 | .. | .. | .. | .. | .. | .. | Jun 2024 | US$ 399 | amazon.com | |
| 17. | Sony RX1R III | .. | .. | .. | .. | .. | .. | Jul 2025 | US$ 5 099 | 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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Check GFX 100RF price at
amazon.com

Check OM-3 price at
amazon.com
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 1100D vs OM System OM-3
- Canon R6 Mark II vs Fujifilm GFX 100RF
- Canon R8 vs OM System OM-3
- Fujifilm GFX 100RF vs Leica M11
- Fujifilm GFX 100RF vs Leica Q2
- Fujifilm GFX 100RF vs Leica Q3
- Fujifilm GFX 100RF vs Panasonic GH7
- Fujifilm GFX 100RF vs Sony A7R IVA
- Leica SL2-S vs OM System OM-3
- OM System OM-3 vs Panasonic S1 II
- OM System OM-3 vs Pentax K-3
- Olympus E-M1 II vs OM System OM-3
Specifications: Fujifilm GFX 100RF vs OM System OM-3
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 100RF | OM System OM-3 |
|---|---|---|
| Camera Type | Fixed lens compact camera | Mirrorless system camera |
| Camera Lens | 28mm f/4.0 | Micro Four Thirds lenses |
| Launch Date | March 2025 | February 2025 |
| Launch Price | USD 4,899 | USD 1,999 |
| Sensor Specs | Fujifilm GFX 100RF | OM System OM-3 |
| Sensor Technology | BSI-CMOS | Stacked BSI-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/60p Video |
| ISO Setting | 80 - 12,800 ISO | 80 - 25,600 ISO |
| ISO Boost | 40 - 102,400 ISO | 80 - 102,400 ISO |
| Image Processor | X-Processor 5 | TruePic X |
| Screen Specs | Fujifilm GFX 100RF | OM System OM-3 |
| Viewfinder Type | Electronic viewfinder | Electronic viewfinder |
| Viewfinder Field of View | 100% | 100% |
| Viewfinder Magnification | 0.84x | 0.69x |
| Viewfinder Resolution | 5760k dots | 2360k dots |
| LCD Framing | Live View | Live View |
| Rear LCD Size | 3.2inch | 3.0inch |
| LCD Resolution | 2100k dots | 1640k dots |
| LCD Attachment | Tilting screen | Swivel screen |
| Touch Input | Touchscreen | Touchscreen |
| Shooting Specs | Fujifilm GFX 100RF | OM System OM-3 |
| Focus System | On-Sensor Phase-detect | On-Sensor Phase-detect |
| Manual Focusing Aid | Focus Peaking | Focus Peaking |
| Max Shutter Speed (mechanical) | 1/4000s | 1/8000s |
| Continuous Shooting | 6 shutter flaps/s | 6 shutter flaps/s |
| Electronic Shutter | up to 1/16000s | up to 1/32000s |
| Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
| Image Stabilization | no shake reduction | In-body stabilization |
| Fill Flash | no On-Board Flash | no On-Board Flash |
| Storage Medium | SDXC cards | SDXC cards |
| Single or Dual Card Slots | Dual card slots | Single card slot |
| UHS card support | Dual UHS-II | UHS-II |
| Connectivity Specs | Fujifilm GFX 100RF | OM System OM-3 |
| External Flash | Hotshoe | Hotshoe |
| USB Connector | USB 3.2 | USB 3.0 |
| HDMI Port | micro HDMI | micro HDMI |
| Microphone Port | External MIC port | External MIC port |
| Headphone Socket | Headphone port | Headphone port |
| Wifi Support | Wifi built-in | Wifi built-in |
| Bluetooth Support | Bluetooth built-in | Bluetooth built-in |
| Body Specs | Fujifilm GFX 100RF | OM System OM-3 |
| Environmental Sealing | Weathersealed body | Weathersealed body |
| Battery Type | Fujifilm NP-W235 | OM System BLX-1 |
| Battery Life (CIPA) | 820 shots per charge | 590 shots per charge |
| In-Camera Charging | USB charging | USB charging |
| Body Dimensions |
134 x 90 x 77 mm (5.3 x 3.5 x 3.0 in) |
139 x 89 x 46 mm (5.5 x 3.5 x 1.8 in) |
| Camera Weight | 735 g (25.9 oz) | 496 g (17.5 oz) |

Check GFX 100RF price at
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Check OM-3 price at
amazon.com
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