EOS M50 IIvs Pentax K-3 Mark IIIvs Ricoh GR IIIx

GearFrame · Updated March 2026

Canon EOS M50 II Canon EOS M50 II (2020) From £449 Best for Beginners & vlogging View EOS M50 II
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III
VS
Ricoh Ricoh GR IIIx Ricoh Ricoh GR IIIx (2021) From £999 Best for Street portraits & reportage View Ricoh GR IIIx

Which should you buy?

Beginners & Vlogging — EOS M50 II (2020): Canon's most approachable mirrorless — Dual Pixel AF and beautiful colour science in a beginner-friendly body.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

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.

↓ Full specifications below

EOS M50 II (2020)

  • You want your first mirrorless camera at the lowest possible price
  • You're a vlogger or content creator just starting out
  • Note: EF-M mount is discontinued — consider the EOS R50 for a future-proof system

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

Ricoh GR IIIx (2021)

  • You want the GR experience with a slightly tighter, more versatile field of view
  • You shoot portraits, food, or street scenes where 40mm suits better than 28mm wide
  • You want a premium compact that fits in a shirt pocket with better tonal rendering than a phone

Quick take: The pentax k-3 mark iii has the highest resolution at 26mp; the eos m50 ii is the most affordable; only the pentax k-3 mark iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS M50 II (2020)Pentax K-3 Mark III (2021)Ricoh GR IIIx (2021)
Price £449 £1,699 £999
Sensor 24.1MP APS-C CMOS 25.7MP APS-C BSI CMOS (AA-filterless) 24.2MP APS-C CMOS
Resolution 24.1MP 25.7MP 24.2MP
Video 4K/25p (cropped), 1080p/60p 4K/30p, 1080p/60p 1080p/60p
Autofocus Dual Pixel CMOS AF, 143 AF points, eye detection SAFOX 13 phase-detect, 101-point (25 cross-type) Hybrid contrast/phase-detect AF with subject detection
Stabilisation None (no IBIS) 5.5-stop 5-axis IBIS (Shake Reduction III) 4-stop IBIS (Shake Reduction)
Burst Rate 10fps 12fps 4fps
Battery Life ~305 shots (CIPA) 800 shots (CIPA) 200 shots (CIPA)
Weight 387g body only 820g body only 262g
Dimensions 116.3 × 88.1 × 58.7mm 134.5 × 103.5 × 73.5mm 111.2 × 61.4 × 33.2mm
Weather Sealed No Yes No
Viewfinder EVF, 2.36M dots, 0.39× Optical pentaprism, 100% coverage, 1.05× magnification None
Screen 3.0" vari-angle touchscreen 3.2" tilting touchscreen 3.0" fixed touchscreen
Mount Canon EF-M mount Pentax KF-mount Fixed 40mm-equiv f/2.8 lens
Memory Cards Single SD UHS-I slot Dual SD UHS-II Single SD UHS-I
Connectivity USB Micro-B, Bluetooth, Wi-Fi, micro HDMI USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS M50 II prices → Pentax K-3 Mark III prices → Ricoh GR IIIx prices →

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