Ricoh GR IIIxvs A7R III

GearFrame · Updated March 2026

Ricoh Ricoh GR IIIx Ricoh Ricoh GR IIIx (2021) Starting from £999 new Best for Street portraits & reportage View Ricoh GR IIIx
VS
Sony A7R III Sony A7R III (2017) Starting from £1799 new Best for Landscape, studio & commercial photography View A7R III

GearScore™ Verdict — Which should you buy?

Street Portraits & Reportage — Ricoh GR IIIx (2021): APS-C in a shirt pocket with a 40mm perspective — the GR IIIx is the ideal street portrait compact for photographers who want a slightly tighter frame.

Landscape, Studio & Commercial Photography — A7R III (2017): The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.

↓ Full specifications below

Ricoh GR IIIx (2021)

  • Street photographers who want the most pocketable APS-C camera available
  • Ricoh GR III owners who prefer a 40mm equivalent over 28mm
  • Travel photographers who want one discreet camera that fits anywhere
  • Photographers who want a pocketable backup to a larger mirrorless system

A7R III (2017)

  • Landscape and studio photographers who need 42MP resolution at a used-price discount vs A7R IV
  • Canon/Nikon DSLR professionals considering a mirrorless switch at a lower investment
  • Commercial and product photographers who want full-frame resolution with IBIS for handheld work
  • Portrait photographers who want the sharpest possible full-frame files for large print work

Quick take: The a7r iii has the highest resolution at 42mp; the ricoh gr iiix is the most affordable; only the a7r iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Ricoh GR IIIx (2021)A7R III (2017)
Price £999 £1,799
Sensor 24.2MP APS-C CMOS 42.4MP full-frame BSI Exmor R CMOS
Resolution 24.2MP 42.4MP
Video 1080p/60p 4K/30p (full-frame readout), 1080p/120p
Autofocus Hybrid contrast/phase-detect AF with subject detection 399 phase-detect + 425 contrast AF points — real-time Eye AF
Stabilisation 4-stop IBIS (Shake Reduction) 5-axis IBIS — 5.5 stops
Burst Rate 4fps 10fps with AF/AE tracking
Battery Life 200 shots (CIPA) ~650 shots (CIPA)
Weight 262g 650g body only
Dimensions 111.2 × 61.4 × 33.2mm 126.9 × 95.6 × 73.7mm
Weather Sealed No Yes
Viewfinder None EVF, 3.69M dots, 0.78× magnification
Screen 3.0" fixed touchscreen 3.0" touchscreen, tilting
Mount Fixed 40mm-equiv f/2.8 lens Sony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-I Dual SD slots (one UHS-II)
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack
Genre Ricoh GR IIIxA7R III
Street
9.0
7.0
Travel
9.0
Documentary
9.0
Portrait
7.0
9.0
Landscape
4.0
9.0
Vlogging & Video
4.0
7.0
Wedding
7.0
Sports
4.0
⚡ Compare specs side by side Ricoh GR IIIx prices → A7R III prices →

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