OM-D E-M10 IVvs FX3
VS
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
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.
Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
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
FX3 (2021)
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Quick take: The om-d e-m10 iv has the highest resolution at 20mp; the om-d e-m10 iv is the most affordable; only the fx3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-D E-M10 IV (2020) | FX3 (2021) |
|---|---|---|
| Price | £469 | £3,799 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 20.3MP | 12.1MP |
| Video | 4K/30p, 1080p/60p | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Phase-detect + contrast detect, 121 points | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | 5-axis IBIS, 4.5 stops | 5-axis IBIS — 5 stops |
| Burst Rate | 15fps | 10fps mechanical, 10fps electronic |
| Battery Life | ~360 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 383g body only | 715g body only (with XLR handle) |
| Dimensions | 121.4 × 83.6 × 49.0mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.46× magnification | None — monitor/external EVF use only |
| Screen | 3.0" tilting touchscreen | 3.0" touchscreen, fully articulating |
| Mount | Micro Four Thirds | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | OM-D E-M10 IV | FX3 |
|---|---|---|
| Travel | ||
| Street | ||
| Family & Everyday | — | |
| Portrait | ||
| Landscape | — | |
| Sports & Action | — | |
| Vlogging & Video | — | |
| Low Light | — | |
| Wedding | — |
More comparisons with OM-D E-M10 IV
Camera family history