Decision tools · Compare
GH7 vs FX3
Quick take: The GH7 has the highest resolution at 25MP; the GH7 is the most affordable.
Where the GH7 wins
- Cheaper new: £1,699 vs £2,999
- Resolution: 25.2MP
- Burst Rate: 75fps (electronic), 14fps (mechanical)
- Weight: 535g (body only)
- Portrait: 7.2 vs 5.7
Where the FX3 wins
- Battery Life: ~640 shots (CIPA)
- Filmmaking: 9.1 vs 7.3
- Documentary: 8.0 vs 7.4
- Astrophotography: 6.7 vs 5.1
16 specs side by side·15 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
FX3 2021
Best for Professional video, documentary & cinematic filmmaking
£2999
new today at Wex Photo Video
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Size comparedbody only, no lens · drawn to one scale
- GH7 138 × 102 × 92 mm · 805 g
- FX3 130 × 78 × 84 mm · 715 g
The FX3 is 8 mm narrower, 24 mm shorter, 8 mm slimmer and 90 g lighter than the GH7.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
Verdictwhich should you buy?
GH7 — Video & Documentary: The GH7 is the GH series at its peak — phase-detect AF finally arrived, alongside 5.7K/60p open-gate, C4K/60p 10-bit 4:2:2, and ProRes RAW. A landmark video camera in the Micro Four Thirds format, and the most complete GH Panasonic has ever built.
FX3 — Professional Video, Documentary & Cinematic Filmmaking: The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
GH7 (2024)
is the right camera for you if…
- Video professionals who want the best MFT camera ever made
- Documentary and event videographers who need reliable AF and great stabilisation
- Hybrid photographers who want high burst rates and serious video in one body
- GH5/GH6 owners ready for a major upgrade
FX3 (2021)
is the right camera for you if…
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Full specificationsthe better value in each row is highlighted
| Specification | GH7Lumix · 2024 | FX3Sony · 2021 |
|---|---|---|
| Price | £1,699Best | £2,999 |
| Sensor | 25.2MP Live MOS Micro Four Thirds | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 25.2MPBest | 12.1MP |
| Video | 5.7K/60p (open gate), C4K/60p 10-bit 4:2:2, ProRes RAW via HDMI | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Phase-detect + contrast-detect AF with subject recognition | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | 5-axis Dual I.S. 2 (body + lens) | 5-axis IBIS — 5 stops |
| Burst Rate | 75fps (electronic), 14fps (mechanical)Best | 10fps mechanical, 10fps electronic |
| Battery Life | ~370 shots (CIPA) | ~640 shots (CIPA)Best |
| Weight | 535g (body only)Best | 715g (body only) |
| Dimensions | 138.4 × 102.3 × 91.6mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | Electronic, 3.68M dots, 0.76× | None — monitor/external EVF use only |
| Screen | 3.0" fully articulating touchscreen, 1.84M dots | 3.0" touchscreen, fully articulating |
| Mount | Micro Four Thirds | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual slot: CFexpress Type B + SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth, HDMI | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
GH7
FX3
Portrait
7.2/10
5.7/10
Street
5.7/10
4.3/10
Travel
5.4/10
5.5/10
Wedding & Events
7.4/10
6.0/10
Vlogging & Video
6.1/10
6.1/10
Filmmaking
7.3/10
9.1/10
Documentary
7.4/10
8.0/10
Sports & Action
8.6/10
5.5/10
Landscape
6.0/10
4.7/10
Wildlife
8.5/10
5.8/10
Casual
4.9/10
4.9/10
Food
6.9/10
6.7/10
Macro
7.8/10
5.5/10
Architecture
6.3/10
5.2/10
Astrophotography
5.1/10
6.7/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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