Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Insta360 - Ace Pro 2 | Insta360 - X4 |
|---|---|---|
| Max 4K fps | 120 | 60 |
| Waterproof depth | 12 m | 10 m |
Between the Ace Pro 2 and X4, the Ace Pro 2 comes out ahead in max 4k fps / waterproof depth, while the X4 wins on several specs. Overall, the Ace Pro 2 scores 85.5 and the X4 scores 76.4 on our Mars Score.
Which should you buy?
The Ace Pro 2 is the clear pick on raw spec strength, leading by 9.1 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 / waterproof depth. The biggest gaps in its favor are max 4k fps, waterproof depth. The single most decisive one: Max 4K fps — 100.00% more. 120 vs 60.
The X4 similarly does not 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 do not 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.
Which should you buy: Insta360 - Ace Pro 2 or Insta360 - X4?
Insta360 - Ace Pro 2 leads the current Mars Score by 9.1 points.The more useful decision is the trade-off behind that result: compare max 4k fps, waterproof depth against the way you will actually use the product.
Choose Insta360 - Ace Pro 2 if…
Insta360 - Ace Pro 2 has the measurable edge on max fps 4k, water depth m.
Choose Insta360 - X4 if…
Insta360 - X4 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 - 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 |