Canon EOS R3vs GR IIIx HDF
Canon
Canon EOS R3 (2021)
Starting from £5999 new
Best for Sports & photojournalism professionals
View Canon EOS R3
Ricoh
GR IIIx HDF (2024)
Starting from £999 new
Best for Street & documentary photography with a distinctive aesthetic
View GR IIIx HDF
GearScore™ Verdict — 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.
Street & Documentary Photography With A Distinctive Aesthetic — GR IIIx HDF (2024): The GR IIIx with a built-in dream filter — for photographers who want the GR's legendary APS-C quality with an added layer of analogue magic.
Who should buy what
Canon EOS R3 (2021)
- Professional sports and photojournalism photographers
- Canon users who need the fastest burst and most reliable AF in the system
- R5 users who want a pro-grade grip and faster shooting speed
- Event photographers who need eye-controlled AF and dual card slots
GR IIIx HDF (2024)
- GR IIIx fans who want the HDF bloom effect without using post-processing
- Street photographers who want a distinctive, instantly recognisable aesthetic
- Film photography enthusiasts who want to replicate analogue optical character digitally
- GR III owners ready to upgrade to the 40mm equivalent perspective
Quick take: The gr iiix hdf has the highest resolution at 24mp; the gr iiix hdf is the most affordable; only the canon eos r3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | GR IIIx HDF (2024) |
|---|---|---|
| Price | £5,999 | £999 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 24.2MP APS-C CMOS |
| Resolution | 24.1MP | 24.2MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 1920 × 1080 / 60fps |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Phase/contrast hybrid CDAF with Snap Focus |
| Stabilisation | 8-stop IBIS | 3-axis Shake Reduction (SR) — 4 stops |
| Burst Rate | 30fps electronic / 12fps mechanical | 4fps continuous |
| Battery Life | 620 shots (CIPA) | ~200 shots (CIPA) |
| Weight | 1015g body only | 262g body only |
| Dimensions | 150.0 × 142.6 × 87.2mm | 122.5 × 69.5 × 35.2mm |
| Weather Sealed | Yes | No |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | None — rear LCD only |
| Screen | 3.2" fully articulating touchscreen | 3.0" fixed LCD touchscreen, 1.037M dots |
| Mount | Canon RF | Fixed GR Lens 26.1mm f/2.8 (40mm equivalent) |
| Memory Cards | Dual CFexpress Type B | Single SD/SDHC/SDXC slot |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Canon EOS R3 | GR IIIx HDF |
|---|---|---|
| Sports & Action | — | |
| Wildlife | ||
| Photojournalism | — | |
| Vlogging & Video | — | |
| Wedding & Events | — | |
| Travel | ||
| Street | — | |
| Portrait | — | |
| Landscape | — | |
| Sports | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with Canon EOS R3
Camera family history