Decision tools · Compare
OM-D E-M10 IV vs A1
Quick take: The A1 has the highest resolution at 50MP; the OM-D E-M10 IV is the most affordable; only the A1 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.
Sony
A1 2021
Best for Professional sport, wildlife, portrait & hybrid shooting
£4199
new today at Wex Photo Video
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Verdictwhich should you buy?
OM-D E-M10 IV — Travel & Everyday: Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
A1 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.
Who should buy what
OM-D E-M10 IV (2020)
is the right camera for you if…
- Beginners and enthusiasts who want a compact, stylish Micro Four Thirds camera
- Travellers who want a small, light system without sacrificing image quality
- Smartphone upgraders who want a proper camera that still fits in a bag
- Anyone who wants built-in selfie capability in a traditional camera body
A1 (2021)
is the right camera for you if…
- Professional photographers who need resolution and speed without compromise
- Sports and wildlife photographers demanding the absolute fastest Sony
- Studio and fashion photographers who also shoot sport or events
- A9 III or A7R V owners who want a single body that does everything
Full specificationsthe better value in each row is highlighted
| Specification | OM-D E-M10 IVOlympus · 2020 | A1Sony · 2021 |
|---|---|---|
| Price | £469Best | £4,199 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 20.3MP | 50.1MPBest |
| Video | 4K/30p, 1080p/60p | 8K/30p, 4K/120p, 1080p/240p |
| Autofocus | Contrast-detect AF, 121 points, face and eye detection | Real-time Tracking, AI subject recognition — 759 phase-detect points |
| Stabilisation | 5-axis IBIS, 4.5 stops | IBIS — up to 5.5 stops |
| Burst Rate | 15fps | 30fps electronic with full AF/AEBest |
| Battery Life | ~360 shots (CIPA) | ~430 shots (CIPA)Best |
| Weight | 383g (body only)Best | 737g (with battery and card) |
| Dimensions | 121.4 × 83.6 × 49.0mm | 128.9 × 96.9 × 80.8mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | EVF, 2.36M dots, 0.46× magnification | EVF, 9.44M dots, 0.90× magnification, 240fps |
| Screen | 3.0" tilting touchscreen | 3.0" fully tilting touchscreen |
| Mount | Micro Four Thirds | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, 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-D E-M10 IV
A1
Portrait
5.2/10
8.2/10
Street
6.1/10
6.1/10
Travel
5.6/10
5.9/10
Wedding & Events
3.9/10
7.9/10
Filmmaking
3.7/10
7.8/10
Documentary
4.0/10
7.6/10
Sports & Action
5.5/10
8.8/10
Landscape
4.4/10
7.6/10
Wildlife
6.0/10
8.7/10
Casual
5.3/10
4.8/10
Food
6.0/10
7.4/10
Macro
6.1/10
7.3/10
Architecture
4.9/10
7.9/10
Astrophotography
5.5/10
6.8/10
Fun & simple
5.5/10
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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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