Upgrade Guide

Lumix TZ99→Lumix DC-G100D

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

You own

Lumix

TZ99

£493

2025

→

Upgrade to

Lumix

DC-G100D

£649 (+£156)

2023

❌

Skip it

The DC-G100D offers little measurable spec improvement over the TZ99. 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	TZ99	DC-G100D
Price	£493	£649
Released	2025	2023	↓
Sensor	20.3MP 1/2.3-inch MOS	20.3MP Micro Four Thirds Live MOS
Resolution	20MP	20MP
Video	4K/30p	4K/30p, 4K/24p, 1080p/60p — V-Log L (upgrade)
Autofocus	Contrast-detect AF with face detection	Contrast-detect DFD AF with face, eye and animal detection
Stabilisation	Optical image stabilisation (lens-based)	2-axis (body); 5-axis Dual IS II when used with OIS lenses
Burst Rate	10fps	10fps AF single, 9fps AFS continuous
Battery Life	380 shots (CIPA)	~250 shots (CIPA)	↓
Weight	322g (with battery and card)	333g (body only)	↓
Weather Sealed	Not weather sealed	Not weather sealed
Viewfinder	None (screen only)	EVF 0.53× 3.68M-dot — pop-up style
Screen	Tilting touchscreen	3.0" fully articulating touchscreen, 1.84M dots
Mount	Fixed Leica 30x zoom lens (24-720mm equivalent)	Micro Four Thirds (MFT)
Memory Cards	Single SD (UHS-I)	Single SD/SDHC/SDXC slot

Compare side-by-side

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