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Quick take: The GH7 has the highest resolution at 25MP; the A5100 is the most affordable; only the GH7 is weather sealed.
Where the GH7 wins
Where the A5100 wins
16 specs side by side·16 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
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The A5100 is 28 mm narrower, 39 mm shorter, 56 mm slimmer and 522 g lighter than the GH7.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
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.
A5100 — Casual & Travel: The A5100 is one of the smallest APS-C mirrorless cameras ever made. Its 24MP sensor, phase-detect AF, and selfie-friendly flip screen pack remarkable capability into a shirt-pocket-sized body. No EVF or hot shoe limits it for serious use, but as a compact travel camera or beginner's first mirrorless, it punches well above its price on the used market.
| Specification | GH7Lumix · 2024 | A5100Sony · 2014 |
|---|---|---|
| Price | £1,699 | £102 usedBest |
| Sensor | 25.2MP Live MOS Micro Four Thirds | 24.3MP APS-C Exmor CMOS |
| Resolution | 25.2MPBest | 24.3MP |
| Video | 5.7K/60p (open gate), C4K/60p 10-bit 4:2:2, ProRes RAW via HDMI | 1080p/60p |
| Autofocus | Phase-detect + contrast-detect AF with subject recognition | Hybrid phase-detect / contrast-detect AF, face detection |
| Stabilisation | 5-axis Dual I.S. 2 (body + lens) | No stabilisation |
| Burst Rate | 75fps (electronic), 14fps (mechanical)Best | 6fps |
| Battery Life | ~370 shots (CIPA) | ~400 shots (CIPA)Best |
| Weight | 535g (body only) | 224g (body only)Best |
| Dimensions | 138.4 × 102.3 × 91.6mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Electronic, 3.68M dots, 0.76× | No viewfinder |
| Screen | 3.0" fully articulating touchscreen, 1.84M dots | 3.0" flip-up touchscreen, 921k dots |
| Mount | Micro Four Thirds | Sony E-mount |
| Memory Cards | Dual slot: CFexpress Type B + SD UHS-II | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C, Wi-Fi, Bluetooth, HDMI | Micro USB, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →