Upgrade Guide

Sony A6600→Sony A1 II

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

You own

Sony

A6600

£1299

2019

→

Upgrade to

Sony

A1 II

£6500 (+£5,201)

2025

✅

Worthwhile

Clear improvements over the A6600. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A1 II

↑

Resolution

50MP vs 24MP (+26MP)
↑

Stabilisation

Improved — 8.5-stop IBIS (with in-lens OSS)
↑

Burst rate

30fps electronic (with full AF/AE), 10fps mechanical vs 11fps continuous with AF/AE
↑

Generation

6 years newer (2025 vs 2019)

Suitability by genre

Full spec comparison

Spec	A6600	A1 II
Price	£1,299	£6,500
Released	2019	2025	↑
Sensor	24.2MP APS-C Exmor CMOS	50.1MP full-frame stacked BSI CMOS
Resolution	24MP	50MP	↑
Video	4K/30p (no crop), 1080p/120p	8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion
Autofocus	Real-time Eye AF, real-time tracking — inherited from A9	AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train
Stabilisation	5-axis IBIS — 5 stops	8.5-stop IBIS (with in-lens OSS)
Burst Rate	11fps continuous with AF/AE	30fps electronic (with full AF/AE), 10fps mechanical	↑
Battery Life	~810 shots (CIPA) — large NP-FZ100 battery	~530 shots (CIPA)	↓
Weight	503g body only	743g body only	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.70× magnification	EVF 0.9× 9.44M-dot — the highest resolution EVF available
Screen	3.0" touchscreen, tilting	3.2" fully articulating touchscreen, 2.1M dots
Mount	Sony E-mount (APS-C)	Sony E-mount (full-frame)
Memory Cards	Single SD UHS-I slot	Dual CFexpress Type A / SD UHS-II slots

Compare side-by-side

See A6600 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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