Upgrade Guide

Sony A6600→Sony A9 II

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

You own

Sony

A6600

£1299

2019

→

Upgrade to

Sony

A9 II

£3299 (+£2,000)

2019

⚖️

Situational

One clear hardware improvement over the A6600. Worth it if that specific upgrade aligns with what you shoot.

What's new in the A9 II

↑

Burst rate

20fps (blackout-free with full AF/AE) vs 11fps continuous with AF/AE

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A6600	A9 II
Price	£1,299	£3,299
Released	2019	2019
Sensor	24.2MP APS-C Exmor CMOS	24.2MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution	24MP	24MP
Video	4K/30p (no crop), 1080p/120p	4K/30p, 1080p/120p
Autofocus	Real-time Eye AF, real-time tracking — inherited from A9	693 phase-detect + 425 contrast-detect, real-time eye/body tracking
Stabilisation	5-axis IBIS — 5 stops	IBIS — 5-axis, up to 5.5 stops
Burst Rate	11fps continuous with AF/AE	20fps (blackout-free with full AF/AE)	↑
Battery Life	~810 shots (CIPA) — large NP-FZ100 battery	~500 shots (CIPA)	↓
Weight	503g body only	678g (with battery and card)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.70× magnification	EVF, OLED 3.69M dots, 0.78× magnification
Screen	3.0" touchscreen, tilting	3.0" tilting touchscreen
Mount	Sony E-mount (APS-C)	Sony FE (full-frame E-mount)
Memory Cards	Single SD UHS-I slot	Dual SD UHS-II slots

Compare side-by-side

See A6600 and A9 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 A9 II against your specific genres — not just specs.

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