Upgrade Guide

Lumix Lumix G9→Lumix S1 II

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

You own

Lumix

Lumix G9

£549

2017

→

Upgrade to

Lumix

S1 II

£2200 (+£1,651)

2025

✅

Worthwhile

Clear improvements over the Lumix G9. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the S1 II

↑

Resolution

24MP vs 20MP (+4MP)
↑

Burst rate

30fps (electronic), 9fps (mechanical) vs 20fps mechanical, 60fps electronic
↑

Generation

8 years newer (2025 vs 2017)

Suitability by genre

Full spec comparison

Spec	Lumix G9	S1 II
Price	£549	£2,200
Released	2017	2025	↑
Sensor	Micro Four Thirds Live MOS	24.2MP Full-Frame BSI CMOS
Resolution	20MP	24MP	↑
Video	4K 60fps, C4K 24fps	6K/30p, 4K/120p, 10-bit 4:2:2 internal
Autofocus	225-point contrast-detect DFD	Phase-detect AF with subject recognition (human, animal, vehicle)
Stabilisation	5-axis IBIS, 6.5 stops (6.0 stops dual IS)	5-axis IBIS, up to 8 stops
Burst Rate	20fps mechanical, 60fps electronic	30fps (electronic), 9fps (mechanical)	↑
Battery Life	400 shots (CIPA)	~400 shots (CIPA)
Weight	658g (body only)	680g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF 0.83× 3.68M-dot	Electronic, 3.68M dots, 0.78×
Screen	3.0" fully articulating touchscreen, 1.04M-dot	3.0" fully articulating touchscreen, 1.84M dots
Mount	Micro Four Thirds	Leica L-mount
Memory Cards	2× SD UHS-II	Dual slot: CFexpress Type B + SD UHS-II

Compare side-by-side

See Lumix G9 and S1 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 S1 II against your specific genres — not just specs.

Other upgrades from the Lumix G9

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Camera family history