OM-D E-M10 IVvs A7
GearScore™ Verdict — Which should you buy?
Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
Camera History & Full-Frame Introduction — A7 (2013): The camera that changed photography — the world's first compact full-frame mirrorless, the A7 launched a product family that redefined what was possible.
Who should buy what
OM-D E-M10 IV (2020)
- 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
A7 (2013)
- Photographers interested in the camera that launched the full-frame mirrorless era
- Budget-conscious buyers who want to experience full-frame image quality at minimal cost
- Sony FE system users who want the original A7 for sentimental or historical value
- Those adapting vintage lenses who want full-frame with phase-detect AF at low cost
Quick take: The a7 has the highest resolution at 24mp; the a7 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-D E-M10 IV (2020) | A7 (2013) |
|---|---|---|
| Price | £469 | £299 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 24.3MP Full-Frame CMOS |
| Resolution | 20.3MP | 24.3MP |
| Video | 4K/30p, 1080p/60p | 1080p/60p |
| Autofocus | Phase-detect + contrast detect, 121 points | 117 phase-detect + 25 contrast-detect AF points |
| Stabilisation | 5-axis IBIS, 4.5 stops | None |
| Burst Rate | 15fps | 5fps |
| Battery Life | ~360 shots (CIPA) | ~340 shots (CIPA) |
| Weight | 383g body only | 474g (with battery and card) |
| Dimensions | 121.4 × 83.6 × 49.0mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | No |
| Viewfinder | EVF, 2.36M dots, 0.46× magnification | EVF, OLED 2.36M dots, 0.71× magnification |
| Screen | 3.0" tilting touchscreen | 3.0" fixed LCD, 1.23M dots (no tilt, no touch) |
| Mount | Micro Four Thirds | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I slot |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB, Wi-Fi, NFC |
Suitability by genre
| Genre | OM-D E-M10 IV | A7 |
|---|---|---|
| Travel | ||
| Street | ||
| Family & Everyday | — | |
| Portrait | ||
| Landscape | ||
| Sports & Action | ||
| Vlogging & Video | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with OM-D E-M10 IV
Camera family history