Upgrade Guide

Sony A6400→Sony A6600

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

You own

Sony

A6400

£749

2019

→

Upgrade to

Sony

A6600

£670 used (-£79)

2019

⚖️

Situational

One clear hardware improvement over the A6400. Worth it if that specific upgrade aligns with what you shoot.

What's new in the A6600

↑

Battery life

~810 shots (CIPA) — large NP-FZ100 battery vs ~410 shots (CIPA)

Unchanged or similar

Suitability by genre

Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.

Full spec comparison

Spec	A6400	A6600
Price	£749	£670 used
Released	2019	2019
Sensor	24.2MP APS-C Exmor CMOS BSI	24.2MP APS-C Exmor CMOS
Resolution	24MP	24MP
Video	4K/30p (6K oversampled, no crop), 1080p/120p slow-motion	4K/30p (no crop), 1080p/120p
Autofocus	Phase-detect, 425 points, real-time Eye AF & animal AF	Real-time Eye AF, real-time tracking — inherited from A9
Stabilisation	No stabilisation	5-axis IBIS — 5 stops
Burst Rate	11fps mechanical, 8fps with AF tracking	11fps continuous with AF/AE
Battery Life	~410 shots (CIPA)	~810 shots (CIPA) — large NP-FZ100 battery	↑
Weight	403g (with battery and card)	503g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.70× magnification	EVF, 2.36M dots, 0.70× magnification
Screen	3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots	3.0" touchscreen, tilting
Mount	Sony E-mount	Sony E-mount (APS-C)
Memory Cards	Single SD UHS-I	Single SD UHS-I slot

Compare side-by-side

See A6400 and A6600 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A6600 against your specific genres — not just specs.

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