Decision tools · Compare
OM-D E-M1 Mark III vs A6100
Quick take: The A6100 has the highest resolution at 24MP; 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·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-D E-M1 Mark IIIOlympus · 2020 | A6100Sony · 2019 |
|---|---|---|
| Price | £446Best | £649 |
| Sensor | 20.4MP Micro Four Thirds CMOS | APS-C Exmor CMOS |
| Resolution | 20.4MP | 24.2MPBest |
| Video | C4K/24p, 4K/30p, Full HD 1080p/120 | 4K 30fps |
| Autofocus | 121-point all cross-type on-sensor phase detect + contrast AF, face / eye detection, Starry Sky AF | 425-point phase-detect, real-time tracking |
| Stabilisation | 5-axis in-body stabilisation, 7 stops (7.5 with Sync IS) | No stabilisation |
| Burst Rate | 60fps (18fps with continuous AF)Best | 11fps |
| Battery Life | ~420 shots (CIPA) | 420 shots (CIPA) |
| Weight | 580g (with battery) | 396g (body only)Best |
| Dimensions | 134.1 × 90.9 × 68.9mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | OLED EVF, 2.36M dots, 1.48x | EVF 0.39" 1.44M-dot |
| Screen | 3.0" vari-angle touchscreen, 1.04M dots | 3.0" tilting touchscreen, 921k-dot |
| Mount | Micro Four Thirds | Sony E-Mount |
| Memory Cards | Dual SD slots | SD UHS-I / Memory Stick |
| Connectivity | USB-C (USB PD), micro HDMI, Wi-Fi, Bluetooth, 3.5mm mic & headphone jacks, RM-CB2 remote | 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-D E-M1 Mark III
A6100
Portrait
6.7/10
6.7/10
Street
6.2/10
7.3/10
Travel
6.0/10
6.2/10
Wedding & Events
6.8/10
5.1/10
Vlogging & Video
5.2/10
5.9/10
Filmmaking
5.6/10
4.9/10
Documentary
6.5/10
5.2/10
Sports & Action
7.7/10
6.5/10
Landscape
5.9/10
4.9/10
Wildlife
7.9/10
6.9/10
Casual
4.8/10
6.4/10
Food
6.8/10
6.2/10
Macro
7.9/10
5.2/10
Architecture
6.0/10
5.5/10
Astrophotography
5.7/10
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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Camera family history