A6100vs Sony A9 III

GearFrame · Updated March 2026

Sony A6100 Sony A6100 (2019) Starting from £549 new Best for Beginner, family, travel View A6100
VS
Sony Sony A9 III Sony Sony A9 III (2023) Starting from £5999 new Best for Sports & action professionals View Sony A9 III

GearScore™ Verdict — Which should you buy?

Beginner, Family, Travel — A6100 (2019): Best autofocus in its class for the price.

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

A6100 (2019)

  • First-time mirrorless buyers who want solid AF
  • Families stepping up from a smartphone

Sony A9 III (2023)

  • Professional sports photographers who need zero blackout and 120fps burst
  • Wildlife photographers who demand the most advanced Sony AF available
  • Photojournalists who need flash sync at any shutter speed
  • A9 II owners upgrading to the world's first full-frame global shutter

Quick take: The sony a9 iii has the highest resolution at 25mp; the a6100 is the most affordable; only the sony a9 iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification A6100 (2019)Sony A9 III (2023)
Price £549 £5,999
Sensor APS-C Exmor CMOS 24.6MP full-frame Exmor RS CMOS (global shutter)
Resolution 24.2MP 24.6MP
Video 4K 30fps 4K/120p, 4K/60p, 1080p/240p
Autofocus 425-point phase-detect, real-time tracking AI subject recognition AF, 759-point phase-detect
Stabilisation None 8-stop IBIS
Burst Rate 11fps 120fps blackout-free electronic
Battery Life 420 shots (CIPA) 530 shots (CIPA)
Weight 396g (body only) 703g body only
Dimensions 119.9 × 66.9 × 59.4mm 136.1 × 96.9 × 82.9mm
Weather Sealed No Yes
Viewfinder EVF 0.39" 1.44M-dot 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.0" tilting touchscreen, 921k-dot 3.2" fully articulating touchscreen
Mount Sony E-Mount Sony FE (E-mount)
Memory Cards SD UHS-I / Memory Stick Dual CFexpress Type A / SD UHS-II
Connectivity Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
Genre A6100Sony A9 III
Sports & Action
9.0
Wildlife
9.0
Wedding & Events
9.0
Portrait
9.0
Vlogging & Video
7.0
Travel
4.0
⚡ Compare specs side by side A6100 prices → Sony A9 III prices →

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