Between the Ace Pro 2 and X4, the Ace Pro 2 comes out ahead in max 4k fps and waterproof depth, while the X4 wins on several specs. Overall, the Ace Pro 2 scores 95 and the X4 scores 58.6 on our Mars Score.
Which should you buy?
The Ace Pro 2 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 Ace Pro 2 if you care most about max 4k fps and waterproof depth. The biggest gaps in its favor are max 4k fps, waterproof depth.
The X4 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable max video, stabilization, horizon lock, so those specs don't separate the two — focus on the differences below.
Bottom line: the Ace Pro 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Insta360 - Ace Pro 2 wins
- ▲Max 4K fps — 100.00% more. 120 vs 60.
- ▲Waterproof depth — 20.00% more. 12 m vs 10 m.
Why Insta360 - X4 wins
- No decisive advantages.
Spec comparison
Video
| Spec | Insta360 - Ace Pro 2 | Insta360 - X4 |
|---|---|---|
| Max video | 8K | 8K |
| Max 4K fps | 120lead | 60 |
| HDRⓘ | true | true |
| Log profileⓘ | truelead | false |
Stabilization
| Spec | Insta360 - Ace Pro 2 | Insta360 - X4 |
|---|---|---|
| Horizon lock | true | true |
| Stabilization | gimbal-class | gimbal-class |
Durability
| Spec | Insta360 - Ace Pro 2 | Insta360 - X4 |
|---|---|---|
| Waterproof depth | 12 mlead | 10 m |
| Weight | 180 glead | 203 g |
| Removable lens | truelead | false |
Frequently asked
Spec-level deep dives
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