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Canon EOS R3vs GR IIIx HDF

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) Starting from £5999 new Best for Sports & photojournalism professionals View Canon EOS R3
VS
Ricoh GR IIIx HDF 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.

↓ Full specifications below

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
Genre Canon EOS R3GR IIIx HDF
Sports & Action
9.0
Wildlife
9.0
4.0
Photojournalism
9.0
Vlogging & Video
7.0
Wedding & Events
7.0
Travel
4.0
9.0
Street
9.0
Portrait
7.0
Landscape
7.0
Sports
4.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side Canon EOS R3 prices → GR IIIx HDF prices →

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