GH4vs BF
Lumix
GH4 (2014)
Starting from £349 new
Best for Video, independent filmmaking & documentary
View GH4
Sigma
BF (2025)
Starting from £1799 new
Best for Photographers who want to strip back every distraction
View BF
GearScore™ Verdict — Which should you buy?
Video, Independent Filmmaking & Documentary — GH4 (2014): The world's first consumer 4K camera — the GH4 changed independent filmmaking and proved that broadcast-quality video didn't require a cinema camera budget.
Photographers Who Want To Strip Back Every Distraction — BF (2025): The most radical camera in years — no dials, no buttons, just a flat aluminium body and total creative minimalism.
Who should buy what
GH4 (2014)
- Videographers and independent filmmakers who want the camera that started the consumer 4K era
- Content creators looking for a capable 4K body at the lowest entry price
- MFT system users who want the best video capability on a tight budget
- Photographers interested in camera history — the GH4 is a landmark piece
BF (2025)
- Photographers who find camera menus and dials a distraction from the creative process
- L-mount system users who want the lightest, most minimal full-frame body available
- Design enthusiasts who value the object quality and philosophy as much as the output
- Sigma fp/fp L users ready for a more radical step toward minimal photography
Quick take: The bf has the highest resolution at 24mp; the gh4 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GH4 (2014) | BF (2025) |
|---|---|---|
| Price | £349 | £1,799 |
| Sensor | 16.05MP Micro Four Thirds Live MOS | 24MP full-frame BSI CMOS |
| Resolution | 16.1MP | 24.0MP |
| Video | 4K/30p, C4K/24p (first consumer camera with 4K), 1080p/96fps | 4K/30p, 1080p/60p |
| Autofocus | Contrast-detect DFD AF, face detection | Phase-detect AF — face and eye detection |
| Stabilisation | None (no body IBIS) | 5-axis IBIS — 7 stops |
| Burst Rate | 12fps (AFS), 7fps (AFC) | 9fps electronic |
| Battery Life | ~500 shots (CIPA) | ~400 shots (CIPA) |
| Weight | 560g (with battery and card) | 427g body only |
| Dimensions | 133.2 × 93.4 × 83.0mm | 127.0 × 75.0 × 45.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, OLED 2.36M dots, 0.67× magnification | EVF 0.75× 3.68M-dot |
| Screen | 3.0" fully articulating touchscreen | 3.15" fully articulating touchscreen — primary interface |
| Mount | Micro Four Thirds | L-mount (Leica/Panasonic/Sigma) |
| Memory Cards | Single SD UHS-I slot | Single UHS-II SD slot |
| Connectivity | USB, Wi-Fi, NFC, 3.5mm mic jack, headphone jack, HDMI | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | GH4 | BF |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Portrait | ||
| Wildlife | — | |
| Sports & Action | — | |
| Landscape | ||
| Street | — | |
| Sports | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history