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Quick take: The A5000 has the highest resolution at 20MP; the A5000 is the most affordable; only the OM-D E-M1 is weather sealed.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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| Specification | OM-D E-M1Olympus · 2013 | A5000Sony · 2014 |
|---|---|---|
| Price | £179 | £154Best |
| Sensor | 16.3MP Micro Four Thirds CMOS | 20.1MP APS-C CMOS |
| Resolution | 16.3MP | 20.1MPBest |
| Video | Full HD 1080p/30 | Full HD 1080 (60i / 25p AVCHD), 1440×1080/30p MP4 |
| Autofocus | Dual Fast AF: 37-point on-sensor phase detect + 81-area contrast AF, face and eye detection | 25-point contrast AF with face detection |
| Stabilisation | 5-axis in-body stabilisation, 4 stops (CIPA) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 10fps (6.5fps with continuous AF)Best | 3.5fps |
| Battery Life | ~350 shots (CIPA) | ~420 shots (CIPA)Best |
| Weight | 497g (with battery) | 269g (with battery)Best |
| Dimensions | 130.4 × 93.5 × 63.1mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | OLED EVF, 2.36M dots, 1.48x | None (rear screen only) |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" 180° flip-up LCD, 460k dots |
| Mount | Micro Four Thirds | Sony E-mount |
| Memory Cards | Single SD slot | Single SD slot |
| Connectivity | USB 2.0 multi-connector, micro HDMI, Wi-Fi, 3.5mm mic jack, RM-UC1 remote | Micro USB (Multi Terminal), micro HDMI, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →