Upgrade Guide

Sony Sony A9 III→Sony A1 II

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

Sony

Sony A9 III

£5999

2023

→

Upgrade to

Sony

A1 II

£6500 (+£501)

2025

✅

Worthwhile

Clear improvements over the Sony A9 III. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A1 II

Suitability by genre

Full spec comparison

Spec	Sony A9 III	A1 II
Price	£5,999	£6,500
Released	2023	2025	↑
Sensor	24.6MP full-frame Exmor RS CMOS (global shutter)	50.1MP full-frame stacked BSI CMOS
Resolution	25MP	50MP	↑
Video	4K/120p, 4K/60p, 1080p/240p	8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion
Autofocus	AI subject recognition AF, 759-point phase-detect	AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train
Stabilisation	8-stop IBIS	8.5-stop IBIS (with in-lens OSS)
Burst Rate	120fps blackout-free electronic	30fps electronic (with full AF/AE), 10fps mechanical	↓
Battery Life	530 shots (CIPA)	~530 shots (CIPA)
Weight	703g body only	743g body only	↓
Weather Sealed	Yes	Yes
Viewfinder	0.64" Quad-XGA OLED EVF, 9.44M dots	EVF 0.9× 9.44M-dot — the highest resolution EVF available
Screen	3.2" fully articulating touchscreen	3.2" fully articulating touchscreen, 2.1M dots
Mount	Sony FE (E-mount)	Sony E-mount (full-frame)
Memory Cards	Dual CFexpress Type A / SD UHS-II	Dual CFexpress Type A / SD UHS-II slots

Compare side-by-side

See Sony A9 III and A1 II next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A1 II against your specific genres — not just specs.

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