Canon EOS 90Dvs Leica Q3vs Sony A9 III

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
Leica Leica Q3 Leica Leica Q3 (2023) From £5999 Best for Travel, street & premium compact shooters View Leica Q3
VS
Sony Sony A9 III Sony Sony A9 III (2023) From £5999 Best for Sports & action professionals View Sony A9 III

Which should you buy?

Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.

Travel, Street & Premium Compact Shooters — Leica Q3 (2023): 60MP, Summilux 28mm, IBIS, and weather sealing — the Q3 is the ultimate fixed-lens camera for those who can justify the cost.

Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.

↓ Full specifications below

Canon EOS 90D (2019)

  • You're invested in Canon EF DSLR lenses and don't want to switch systems
  • You shoot wildlife or sports and prefer an optical viewfinder
  • You want a mid-range DSLR upgrade without going mirrorless

Leica Q3 (2023)

  • You want a single camera that's ready for anything, anywhere — no lens changes needed
  • You shoot street, travel, or documentary and want full-frame quality in a compact body
  • You appreciate Leica optical quality and are comfortable committing to one focal length

Sony A9 III (2023)

  • You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
  • You need reliable high-speed flash sync for studio or on-location action work
  • You want the absolute pinnacle of Sony's action and sports camera technology

Quick take: The leica q3 has the highest resolution at 60mp; the canon eos 90d is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)Leica Q3 (2023)Sony A9 III (2023)
Price £849 £5,999 £5,999
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 60MP full-frame BSI CMOS 24.6MP full-frame Exmor RS CMOS (global shutter)
Resolution 32.5MP 60.0MP 24.6MP
Video 4K/30p (1.6× crop), FHD/120p 8K/30p, 4K/60p, C4K/60p 4K/120p, 4K/60p, 1080p/240p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Phase-detect AF with subject/face/eye detection AI subject recognition AF, 759-point phase-detect
Stabilisation None (no IBIS) 5.5-stop IBIS 8-stop IBIS
Burst Rate 10fps mechanical 15fps 120fps blackout-free electronic
Battery Life ~1300 shots (CIPA with OVF) 380 shots (CIPA) 530 shots (CIPA)
Weight 701g body only 743g 703g body only
Dimensions 140.7 × 104.8 × 76.8mm 130.0 × 80.3 × 91.0mm 136.1 × 96.9 × 82.9mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification 0.787" OLED EVF, 5.76M dots 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.0" vari-angle touchscreen 3.0" fixed touchscreen 3.2" fully articulating touchscreen
Mount Canon EF / EF-S Fixed Summilux 28mm f/1.7 ASPH Sony FE (E-mount)
Memory Cards Dual SD UHS-II slots Single SD UHS-II Dual CFexpress Type A / SD UHS-II
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C 3.1, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS 90D prices → Leica Q3 prices → Sony A9 III prices →

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