Upgrade Guide

Sony A7S II→Sony A6600

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

You own

Sony

A7S II

£799

2015

→

Upgrade to

Sony

A6600

£1299 (+£500)

2019

✅

Strong upgrade

The A6600 improves across 4 key areas at a reasonable price gap. Most A7S II owners will notice the difference.

What's new in the A6600

↑

Resolution

24MP vs 12MP (+12MP)
↑

Burst rate

11fps continuous with AF/AE vs 5fps continuous
↑

Battery life

~810 shots (CIPA) — large NP-FZ100 battery vs ~370 shots (CIPA)
↑

Generation

4 years newer (2019 vs 2015)

Suitability by genre

Full spec comparison

Spec	A7S II	A6600
Price	£799	£1,299
Released	2015	2019	↑
Sensor	12.1MP full-frame BSI Exmor CMOS	24.2MP APS-C Exmor CMOS
Resolution	12MP	24MP	↑
Video	4K/30p internal (full sensor readout), 1080p/120p, S-Log2/S-Log3	4K/30p (no crop), 1080p/120p
Autofocus	169 phase-detect + 25 contrast AF — limited by modern standards	Real-time Eye AF, real-time tracking — inherited from A9
Stabilisation	5-axis IBIS — 4.5 stops (first Sony mirrorless with IBIS)	5-axis IBIS — 5 stops
Burst Rate	5fps continuous	11fps continuous with AF/AE	↑
Battery Life	~370 shots (CIPA)	~810 shots (CIPA) — large NP-FZ100 battery	↑
Weight	584g body only	503g body only	↑
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.71× magnification	EVF, 2.36M dots, 0.70× magnification
Screen	3.0" tilting LCD, 1.23M dots	3.0" touchscreen, tilting
Mount	Sony FE mount (full-frame E-mount)	Sony E-mount (APS-C)
Memory Cards	Dual SD UHS-I slots	Single SD UHS-I slot

Compare side-by-side

See A7S II and A6600 next to each other with our interactive comparison tool.

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