Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Insta360 - X4 | DJI - Osmo Action 4 |
|---|---|---|
| Max 4K fps | 60 | 120 |
| Waterproof depth | 10 m | 18 m |
| Max video | 8K | 4K120 |
Between the X4 and Osmo Action 4, the X4 comes out ahead in max video, while the Osmo Action 4 wins on max 4k fps / waterproof depth. Overall, the X4 scores 76.4 and the Osmo Action 4 scores 80.8 on our Mars Score.
Which should you buy?
The Osmo Action 4 edges ahead on the Mars Score (76.4 vs 80.8), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the X4 if you care most about max video. The biggest gaps in its favor are max video. The single most decisive one: Max video: 8K (vs 4K120).
Pick the Osmo Action 4 if you care most about max 4k fps / waterproof depth. Its strongest claims are max 4k fps, waterproof depth. The single most decisive one: Max 4K fps — 100.00% more. 120 vs 60.
Both ship with comparable stabilization, horizon lock, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Insta360 - X4 or DJI - Osmo Action 4?
DJI - Osmo Action 4 leads the current Mars Score by 4.4 points.The more useful decision is the trade-off behind that result: compare max video, max 4k fps, waterproof depth against the way you will actually use the product.
Choose Insta360 - X4 if…
Insta360 - X4 has the measurable edge on max video.
Choose DJI - Osmo Action 4 if…
DJI - Osmo Action 4 has the measurable edge on max fps 4k, water depth m.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Insta360 - X4 wins
- ▲Max video: 8K (vs 4K120).
Why DJI - Osmo Action 4 wins
- ▲Max 4K fps — 100.00% more. 120 vs 60.
- ▲Waterproof depth — 80.00% more. 18 m vs 10 m.
Spec comparison
Video
| Spec | Insta360 - X4 | DJI - Osmo Action 4 |
|---|---|---|
| Max video | 8Klead | 4K120 |
| Max 4K fps | 60 | 120lead |
| HDRⓘ | true | true |
| Log profileⓘ | false | truelead |
Stabilization
| Spec | Insta360 - X4 | DJI - Osmo Action 4 |
|---|---|---|
| Horizon lock | true | true |
| Stabilization | gimbal-class | gimbal-class |
Durability
| Spec | Insta360 - X4 | DJI - Osmo Action 4 |
|---|---|---|
| Waterproof depth | 10 m | 18 mlead |
| Weight | 203 g | 145 glead |
| Removable lens | false | false |