Between the Osmo Action 3 and X4, the Osmo Action 3 comes out ahead in max 4k fps and waterproof depth, while the X4 wins on max video and stabilization. Overall, the Osmo Action 3 scores 95 and the X4 scores 58.6 on our Mars Score.
Which should you buy?
The Osmo Action 3 is the clear pick on raw spec strength, leading by 36.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Osmo Action 3 if you care most about max 4k fps and waterproof depth. The biggest gaps in its favor are max 4k fps, waterproof depth.
Pick the X4 if you care most about max video and stabilization. Its strongest claims are max video, stabilization.
Both ship with comparable horizon lock, so those specs don't separate the two — focus on the differences below.
Bottom line: the Osmo Action 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why DJI - Osmo Action 3 wins
- ▲Max 4K fps — 100.00% more. 120 vs 60.
- ▲Waterproof depth — 60.00% more. 16 m vs 10 m.
Why Insta360 - X4 wins
- ▲Max video: 8K (vs 4K120).
- ▲Stabilization: gimbal-class (vs advanced).
Spec comparison
Video
| Spec | DJI - Osmo Action 3 | Insta360 - X4 |
|---|---|---|
| Max video | 4K120 | 8Klead |
| Max 4K fps | 120lead | 60 |
| HDRⓘ | true | true |
| Log profileⓘ | false | false |
Stabilization
| Spec | DJI - Osmo Action 3 | Insta360 - X4 |
|---|---|---|
| Horizon lock | true | true |
| Stabilization | advanced | gimbal-classlead |
Durability
| Spec | DJI - Osmo Action 3 | Insta360 - X4 |
|---|---|---|
| Waterproof depth | 16 mlead | 10 m |
| Weight | 145 glead | 203 g |
| Removable lens | false | false |
Spec-level deep dives
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