Upgrade Guide

Fujifilm X100S→Fujifilm GFX 100

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

You own

Fujifilm

X100S

£250

2013

→

Upgrade to

Fujifilm

GFX 100

£4999 (+£4,749)

2019

✅

Worthwhile

Clear improvements over the X100S. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the GFX 100

↑

Resolution

102MP vs 16MP (+86MP)
↑

Weather sealing

Added — fully sealed body
↑

Stabilisation

IBIS added — significant for handheld and video
↑

Battery life

~800 shots (CIPA, dual NP-T125 batteries in integrated grip) vs ~330 shots (CIPA)
↑

Generation

6 years newer (2019 vs 2013)

Suitability by genre

Full spec comparison

Spec	X100S	GFX 100
Price	£250	£4,999
Released	2013	2019	↑
Sensor	16.3MP APS-C X-Trans CMOS II	102MP Medium Format BSI CMOS (43.8 × 32.9mm)
Resolution	16MP	102MP	↑
Video	1080p/60p	4K/30p, FHD/120p; F-Log support
Autofocus	Hybrid AF with sensor-embedded phase-detect + contrast-detect	Phase-detect hybrid AF (first GFX with phase-detect), face/eye detection
Stabilisation	—	IBIS — up to 5.5 stops
Burst Rate	6fps	5fps	↓
Battery Life	~330 shots (CIPA)	~800 shots (CIPA, dual NP-T125 batteries in integrated grip)	↑
Weight	445g (with battery and card)	1,400g (with battery and card)	↑
Weather Sealed	No	Yes	↑
Viewfinder	Hybrid optical/electronic viewfinder	EVF, 5.76M dots, 0.77× magnification
Screen	2.8" fixed LCD, 460k dots	3.2" fully articulating touchscreen
Mount	Fixed Fujinon 23mm f/2 (35mm equivalent)	Fujifilm GFX (G-mount)
Memory Cards	Single SD UHS-I slot	Dual SD UHS-II slots

Compare side-by-side

See X100S and GFX 100 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the GFX 100 against your specific genres — not just specs.

Other upgrades from the X100S

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Camera family history