Canon EOS R3vs GFX 50S IIvs Ricoh GR III
Canon
Canon EOS R3 (2021)
From £5999
Best for Sports & photojournalism professionals
View Canon EOS R3
Which should you buy?
Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.
Studio & Portrait Specialists — GFX 50S II (2021): Medium format quality at the most accessible price ever — 51MP detail and tonal richness no APS-C or full-frame body can replicate.
Street Photography & Urban Reportage — Ricoh GR III (2019): The purest street photography compact — APS-C sensor, 28mm perspective, IBIS, and cult-favourite JPEG rendering in a shirt pocket.
Who should buy what
Canon EOS R3 (2021)
- You shoot sport, motorsport, wildlife, or news at a professional level
- You need Canon's most reliable and fastest autofocus available
- You need extreme weather sealing for demanding shooting conditions
GFX 50S II (2021)
- You want to experience medium format without a five-figure investment
- You shoot landscape, architecture, or portraits where resolution and tonal depth matter
- You're in the Fujifilm ecosystem and want to step up to a larger sensor
Ricoh GR III (2019)
- You shoot street, travel, or documentary and want APS-C quality in a coat or shirt pocket
- You want a camera you'll genuinely always carry without thinking about it
- You appreciate sharp, characterful images from a fixed 28mm equivalent focal length
Quick take: The gfx 50s ii has the highest resolution at 51mp; the ricoh gr iii is the most affordable; only the canon eos r3, gfx 50s ii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | GFX 50S II (2021) | Ricoh GR III (2019) |
|---|---|---|---|
| Price | £5,999 | £2,999 | £899 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 24.2MP APS-C CMOS |
| Resolution | 24.1MP | 51.4MP | 24.2MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 4K/30p (cropped) | 1080p/60p |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Phase-detect, 425 points | Hybrid contrast/phase-detect AF with subject detection |
| Stabilisation | 8-stop IBIS | 5-axis IBIS, 6.5 stops | 4-stop IBIS (Shake Reduction) |
| Burst Rate | 30fps electronic / 12fps mechanical | 3fps | 4fps |
| Battery Life | 620 shots (CIPA) | ~440 shots (CIPA) | 200 shots (CIPA) |
| Weight | 1015g body only | 900g body only | 257g |
| Dimensions | 150.0 × 142.6 × 87.2mm | 150.0 × 104.2 × 87.2mm | 109.4 × 61.9 × 33.2mm |
| Weather Sealed | Yes | Yes | No |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | EVF, 3.69M dots, 0.77× magnification | None |
| Screen | 3.2" fully articulating touchscreen | 3.2" tilting touchscreen | 3.0" fixed touchscreen |
| Mount | Canon RF | Fujifilm G-mount (medium format) | Fixed 28mm-equiv f/2.8 lens |
| Memory Cards | Dual CFexpress Type B | Dual SD UHS-II slots | Single SD UHS-I |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
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