Decision tools · Compare
OM-5 Mark II vs A6100
Quick take: The A6100 has the highest resolution at 24MP; the A6100 is the most affordable; only the OM-5 Mark II is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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.
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Verdictwhich should you buy?
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
Who should buy what
A6100 (2019)
is the right camera for you if…
- First-time mirrorless buyers who want solid AF
- Families stepping up from a smartphone
Full specificationsthe better value in each row is highlighted
| Specification | OM-5 Mark IIOM System · 2025 | A6100Sony · 2019 |
|---|---|---|
| Price | £880 | £589Best |
| Sensor | 20.4MP Four Thirds Live MOS | APS-C Exmor CMOS |
| Resolution | 20.4MP | 24.2MPBest |
| Video | 4K/30p, OM-Log400 | 4K 30fps |
| Autofocus | Phase-hybrid AF (121 cross-type points) | 425-point phase-detect, real-time tracking |
| Stabilisation | Up to 7.5-stop Sync IS (6.5-stop body-only) | No stabilisation |
| Burst Rate | 10fps (AF tracking), 30fps (locked) | 11fpsBest |
| Battery Life | 310 shots (CIPA) | 420 shots (CIPA)Best |
| Weight | 370g (body only)Best | 396g (body only) |
| Dimensions | — | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF, 2.36M dots, 1.37x magnification | EVF 0.39" 1.44M-dot |
| Screen | Fully articulating touchscreen | 3.0" tilting touchscreen, 921k-dot |
| Mount | Micro Four Thirds | Sony E-Mount |
| Memory Cards | Single SD (UHS-II) | SD UHS-I / Memory Stick |
| Connectivity | USB-C, Wi-Fi, Bluetooth | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI |
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
OM-5 Mark II
A6100
Portrait
6.5/10
6.7/10
Street
6.9/10
7.3/10
Travel
6.9/10
6.4/10
Wedding & Events
5.4/10
5.1/10
Vlogging & Video
6.5/10
6.2/10
Filmmaking
5.1/10
4.9/10
Documentary
6.3/10
5.2/10
Sports & Action
6.7/10
6.5/10
Landscape
6.0/10
4.9/10
Wildlife
7.4/10
6.9/10
Casual
6.1/10
6.5/10
Food
6.9/10
6.2/10
Macro
8.1/10
5.2/10
Architecture
6.0/10
5.5/10
Astrophotography
5.5/10
6.0/10
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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