Upgrade Guide

Sony A6400→Sony A7C

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

You own

Sony

A6400

£899

2019

→

Upgrade to

Sony

A7C

£1299 (+£400)

2020

✅

Worthwhile

Clear improvements over the A6400. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7C

↑

Battery life

~740 shots (CIPA) — outstanding for a Sony mirrorless vs ~410 shots (CIPA)
↑

Generation

1 year newer (2020 vs 2019)

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A6400	A7C
Price	£899	£1,299
Released	2019	2020	↑
Sensor	24.2MP APS-C Exmor CMOS BSI	24.2MP Full-Frame Exmor R BSI CMOS
Resolution	24MP	24MP
Video	4K/30p (6K oversampled, no crop), 1080p/120p slow-motion	4K/30p (oversampled), 1080p/120p slow-motion, S-Log2/S-Log3
Autofocus	Phase-detect, 425 points, real-time Eye AF & animal AF	Phase-detect, 693 points, real-time Eye AF & animal AF
Stabilisation	None (no IBIS)	5-axis IBIS, 5 stops
Burst Rate	11fps mechanical, 8fps with AF tracking	10fps with AF/AE tracking	↓
Battery Life	~410 shots (CIPA)	~740 shots (CIPA) — outstanding for a Sony mirrorless	↑
Weight	403g (body, battery, card)	509g (body, battery, card)	↓
Weather Sealed	No	No
Viewfinder	EVF, 2.36M dots, 0.70× magnification	None built-in — use rear screen or accessory EVF
Screen	3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots	3.0" vari-angle touchscreen, 921k dots
Mount	Sony E-mount	Sony E-mount
Memory Cards	Single SD UHS-I	Single SD UHS-II

Compare side-by-side

See A6400 and A7C next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A7C against your specific genres — not just specs.

Other upgrades from the A6400

Related buying guides

Camera family history