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| Spec | OM-D E-M10 III | OM-D E-M10 IV |
|---|---|---|
| Year | 2017 | 2020 |
| Form Factor | SLR-style | SLR-style |
| MP | 16.1 | 20.3 |
| Sensor | Live MOS | Live MOS |
| IBIS | ✓ | ✓ |
| IBIS Stops | 4 | 4.5 |
| Max ISO | 25600 | 25600 |
| EVF | ✓ | ✓ |
| EVF Dots | 2360k | 2360k |
| LCD | 3.0 in | 3.0 in |
| LCD Dots | 1037k | 1037k |
| LCD Type | Tilting | Tilting |
| Touch | ✓ | ✓ |
| Max Video | 4K | 4K |
| Video FPS | 30p | 30p |
| Bit Depth | 8-bit | 8-bit |
| Bitrate Mbps | 102 | 102 |
| Codec | H.264 | H.264 |
| Rec Limit | 29 min | 29 min |
| Burst fps | 8.6 | 15 |
| AF Type | Contrast | Contrast |
| AF Points | 121 | 121 |
| Cards | 1 | 1 |
| Card Type | SD | SD |
| Mic Jack | ✗ | ✗ |
| Headphone | ✗ | ✗ |
| USB | Micro-USB | Micro-USB |
| HDMI | Micro-HDMI | Micro-HDMI |
| Wi-Fi | ✓ | ✓ |
| BT | ✗ | ✓ |
| GPS | ✗ | ✗ |
| Weather | ✗ | ✗ |
| LUT | ✗ | ✗ |
| Log | ✗ | ✗ |
| Flash | ✓ | ✓ |
| Hot Shoe | ✓ | ✓ |
| Battery | BLS-50 | BLS-50 |
| Batt Life | 330 | 360 |
| Weight g | 362 | 383 |