Decision tools · Compare
1 J5 vs OM-D E-M1 Mark III
Quick take: The 1 J5 has the highest resolution at 21MP; the 1 J5 is the most affordable; only the OM-D E-M1 Mark III is weather sealed.
Where the 1 J5 wins
- Cheaper new: £93 vs £425
- Resolution: 20.8MP
- Weight: 265g (with battery)
- Street: 6.7 vs 6.2
Where the OM-D E-M1 Mark III wins
- Burst Rate: 60fps (18fps with continuous AF)
- Battery Life: ~420 shots (CIPA)
- Weather Sealed: Yes
- Portrait: 6.7 vs 3.9
- Wedding & Events: 6.8 vs 2.9
16 specs side by side·15 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
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.
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Size comparedbody only, no lens · drawn to one scale
- 1 J5 98 × 60 × 32 mm · 265 g
- OM-D E-M1 Mark III 134 × 91 × 69 mm · 580 g
The 1 J5 is 36 mm narrower, 31 mm shorter, 37 mm slimmer and 315 g lighter than the OM-D E-M1 Mark III.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
Full specificationsthe better value in each row is highlighted
| Specification | 1 J5Nikon · 2015 | OM-D E-M1 Mark IIIOlympus · 2020 |
|---|---|---|
| Price | £93 usedBest | £425 used |
| Sensor | 20.8MP 1-inch (CX) BSI CMOS | 20.4MP Micro Four Thirds CMOS |
| Resolution | 20.8MPBest | 20.4MP |
| Video | 4K UHD/15p, 1080p/60 | C4K/24p, 4K/30p, Full HD 1080p/120 |
| Autofocus | Hybrid AF: 171 areas, 105 with phase detection; face detection, subject tracking | 121-point all cross-type on-sensor phase detect + contrast AF, face / eye detection, Starry Sky AF |
| Stabilisation | No IBIS (lens-based stabilisation only) | 5-axis in-body stabilisation, 7 stops (7.5 with Sync IS) |
| Burst Rate | 20fps | 60fps (18fps with continuous AF)Best |
| Battery Life | ~250 shots (CIPA) | ~420 shots (CIPA)Best |
| Weight | 265g (with battery)Best | 580g (with battery) |
| Dimensions | 98.3 × 59.7 × 31.5mm | 134.1 × 90.9 × 68.9mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | None (rear screen only) | OLED EVF, 2.36M dots, 1.48x |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" vari-angle touchscreen, 1.04M dots |
| Mount | Nikon 1 | Micro Four Thirds |
| Memory Cards | Single microSD slot | Dual SD slots |
| Connectivity | USB, micro HDMI, Wi-Fi, NFC | USB-C (USB PD), micro HDMI, Wi-Fi, Bluetooth, 3.5mm mic & headphone jacks, RM-CB2 remote |
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
1 J5
OM-D E-M1 Mark III
Portrait
3.9/10
6.7/10
Street
6.7/10
6.2/10
Travel
6.1/10
6.0/10
Wedding & Events
2.9/10
6.8/10
Filmmaking
3.2/10
5.6/10
Documentary
4.1/10
6.5/10
Sports & Action
4.5/10
7.7/10
Landscape
3.9/10
5.9/10
Wildlife
4.3/10
7.9/10
Casual
5.1/10
4.8/10
Food
4.6/10
6.8/10
Macro
3.4/10
7.9/10
Architecture
3.4/10
6.0/10
Astrophotography
2.6/10
5.7/10
Vlogging & Video
—
5.2/10
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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