Upgrade Guide

Fujifilm X100S→Fujifilm Fujifilm X-T4

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

You own

Fujifilm

X100S

£250

2013

→

Upgrade to

Fujifilm

Fujifilm X-T4

£999 (+£749)

2020

✅

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 Fujifilm X-T4

Suitability by genre

Full spec comparison

Spec	X100S	Fujifilm X-T4
Price	£250	£999
Released	2013	2020	↑
Sensor	16.3MP APS-C X-Trans CMOS II	26.1MP APS-C X-Trans CMOS IV
Resolution	16MP	26MP	↑
Video	1080p/60p	4K/60p, 1080p/240p, F-Log
Autofocus	Hybrid AF with sensor-embedded phase-detect + contrast-detect	Hybrid phase/contrast AF with face/eye detection
Stabilisation	—	6.5-stop IBIS
Burst Rate	6fps	15fps mechanical / 30fps electronic	↑
Battery Life	~330 shots (CIPA)	600 shots (CIPA)	↑
Weight	445g (with battery and card)	607g body only	↓
Weather Sealed	No	Yes	↑
Viewfinder	Hybrid optical/electronic viewfinder	0.5" OLED EVF, 3.69M dots, 100fps
Screen	2.8" fixed LCD, 460k dots	3.0" fully articulating touchscreen
Mount	Fixed Fujinon 23mm f/2 (35mm equivalent)	Fujifilm X-mount
Memory Cards	Single SD UHS-I slot	Dual SD UHS-I

Compare side-by-side

See X100S and Fujifilm X-T4 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the Fujifilm X-T4 against your specific genres — not just specs.

Other upgrades from the X100S

Related buying guides

Camera family history