OM System Olympus E-M10 Mark IV vs Panasonic Lumix GX9
OM System Olympus E-M10 Mark IV has the edge on paper, but the right choice depends on what you shoot. The Olympus E-M10 Mark IV is the better pick for beginners, travel, sports.
Choose the Olympus E-M10 Mark IV for
- faster bursts (15fps vs 9fps)
- a lighter body (383g vs 450g)
- a lower price (from £354)
- a newer design (2020)
Choose the Lumix GX9 for
- more resolution (20.3MP vs 20MP)
Specs side by side
| Spec | Olympus E-M10 Mark IV | Lumix GX9 |
|---|---|---|
| Sensor | Micro Four Thirds, 20MP | Micro Four Thirds, 20.3MP |
| Mount | Micro Four Thirds | Micro Four Thirds |
| Released | 2020 | 2018 |
| Burst | 15 fps | 9 fps |
| Readout | — | — |
| Max ISO | 25,600 | 25,600 |
| Stabilisation | In-body | In-body |
| Video | 4K 30p | 4K 30p |
| Weather sealed | No | No |
| Viewfinder | Electronic | Electronic |
| Weight | 383 g | 450 g |
| Battery | OM System BLS-50 | Panasonic DMW-BLG10E |
| Card slots | SD (UHS-I) | SD (UHS-I) |
| New price | No longer sold new | No longer sold new |
| Used at MPB | £354–439 | £429–529 |
| Native lenses in our database | 22 (8 third-party) | 22 (8 third-party) |
Which is better for…
| Use | Better choice |
|---|---|
| Beginner-friendly | Olympus E-M10 Mark IV |
| Everyday & travel | Olympus E-M10 Mark IV |
| Portraits | About equal |
| Landscape | About equal |
| Wildlife & animals | About equal |
| Sports & action | Olympus E-M10 Mark IV |
| Astrophotography | About equal |
| Vlogging & video | About equal |
| Vintage / film look | About equal |
Based on the specs that matter most for each type of photography: burst and readout for action, resolution for landscapes, sensor size and low light for portraits and astro, video and weight for vlogging.
Lenses and running costs
Both cameras use the Micro Four Thirds mount, so lenses move between them. Batteries: OM System BLS-50 (about £54) vs Panasonic DMW-BLG10E (about £50).
Olympus E-M10 Mark IV compatible lenses → · Lumix GX9 compatible lenses → ·
Frequently asked questions
Is the OM System Olympus E-M10 Mark IV better than the Panasonic Lumix GX9?
It depends on your priorities. The Olympus E-M10 Mark IV offers faster bursts (15fps vs 9fps), a lighter body (383g vs 450g), a lower price (from £354); the Lumix GX9 offers more resolution (20.3MP vs 20MP).
Which is better for video, the Olympus E-M10 Mark IV or the Lumix GX9?
They are closely matched for video (4K 30p vs 4K 30p); stabilisation and lens choice will decide it.
Which is cheaper, the Olympus E-M10 Mark IV or the Lumix GX9?
The Olympus E-M10 Mark IV costs No longer sold new new and from £354 used at MPB; the Lumix GX9 costs No longer sold new new and from £429 used (checked 5 November 2026).
Can I use OM System Olympus E-M10 Mark IV lenses on the Lumix GX9?
Yes. Both use the Micro Four Thirds mount.