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OM-D E-M1 Mark III vs OM-D E-M10 IV
Quick take: The OM-D E-M1 Mark III has the highest resolution at 20MP; the OM-D E-M1 Mark III is the most affordable; only the OM-D E-M1 Mark III is weather sealed.
16 specs side by side·16 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?
OM-D E-M10 IV — Travel & Everyday: Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
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
Full specificationsthe better value in each row is highlighted
| Specification | OM-D E-M1 Mark IIIOlympus · 2020 | OM-D E-M10 IVOlympus · 2020 |
|---|---|---|
| Price | £446Best | £469 |
| Sensor | 20.4MP Micro Four Thirds CMOS | 20.3MP Micro Four Thirds Live MOS |
| Resolution | 20.4MPBest | 20.3MP |
| Video | C4K/24p, 4K/30p, Full HD 1080p/120 | 4K/30p, 1080p/60p |
| Autofocus | 121-point all cross-type on-sensor phase detect + contrast AF, face / eye detection, Starry Sky AF | Contrast-detect AF, 121 points, face and eye detection |
| Stabilisation | 5-axis in-body stabilisation, 7 stops (7.5 with Sync IS) | 5-axis IBIS, 4.5 stops |
| Burst Rate | 60fps (18fps with continuous AF)Best | 15fps |
| Battery Life | ~420 shots (CIPA)Best | ~360 shots (CIPA) |
| Weight | 580g (with battery) | 383g (body only)Best |
| Dimensions | 134.1 × 90.9 × 68.9mm | 121.4 × 83.6 × 49.0mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | OLED EVF, 2.36M dots, 1.48x | EVF, 2.36M dots, 0.46× magnification |
| Screen | 3.0" vari-angle touchscreen, 1.04M dots | 3.0" tilting touchscreen |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Memory Cards | Dual SD slots | Single SD UHS-I slot |
| Connectivity | USB-C (USB PD), micro HDMI, Wi-Fi, Bluetooth, 3.5mm mic & headphone jacks, RM-CB2 remote | USB Micro-B, Bluetooth, Wi-Fi, 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-D E-M1 Mark III
OM-D E-M10 IV
Portrait
6.7/10
5.2/10
Street
6.2/10
6.1/10
Travel
6.0/10
5.6/10
Wedding & Events
6.8/10
3.9/10
Vlogging & Video
5.2/10
—
Filmmaking
5.6/10
3.7/10
Documentary
6.5/10
4.0/10
Sports & Action
7.7/10
5.5/10
Landscape
5.9/10
4.4/10
Wildlife
7.9/10
6.0/10
Casual
4.8/10
5.3/10
Food
6.8/10
6.0/10
Macro
7.9/10
6.1/10
Architecture
6.0/10
4.9/10
Astrophotography
5.7/10
5.5/10
Fun & simple
—
5.5/10
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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