Upgrade Guide

Sony A9 III→Sony A7

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

You own

Sony

A9 III

£5,699

2023

→

Upgrade to

Sony

£151 used (-£5,548)

2013

❌

Skip it

The A7 offers little measurable spec improvement over the A9 III. Spend the money on glass instead.

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	A9 III	A7
Price	£5,699	£151 used
Released	2023	2013	↓
Sensor	24.6MP full-frame Exmor RS CMOS (global shutter)	24.3MP Full-Frame CMOS
Resolution	25MP	24MP	↓
Video	4K/120p, 4K/60p, 1080p/240p	1080p/60p
Autofocus	AI subject recognition AF, 759-point phase-detect	117 phase-detect + 25 contrast-detect AF points
Stabilisation	8-stop IBIS	No stabilisation
Burst Rate	120fps blackout-free electronic	5fps	↓
Battery Life	530 shots (CIPA)	~340 shots (CIPA)	↓
Weight	703g (body only)	474g (with battery and card)	↑
Weather Sealed	Yes	Yes
Viewfinder	0.64" Quad-XGA OLED EVF, 9.44M dots	EVF, OLED 2.36M dots, 0.71× magnification
Screen	3.2" fully articulating touchscreen	3.0" tilting LCD, 1.23M dots (no touch)
Mount	Sony FE (E-mount)	Sony FE (full-frame E-mount)
Memory Cards	Dual CFexpress Type A / SD UHS-II	Single SD UHS-I slot

Compare side-by-side

See A9 III and A7 next to each other with our interactive comparison tool.

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Other upgrades from the A9 III

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