Between the ONE RS (Twin Edition) and X4, the ONE RS (Twin Edition) comes out ahead in several specs, while the X4 wins on waterproof depth and max video. Overall, the ONE RS (Twin Edition) scores 58.6 and the X4 scores 58.6 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
The ONE RS (Twin Edition) doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the X4 if you care most about waterproof depth and max video. Its strongest claims are waterproof depth, max video.
Both ship with comparable max 4k fps, stabilization, horizon lock, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Insta360 - ONE RS (Twin Edition) wins
- No decisive advantages.
Why Insta360 - X4 wins
- ▲Waterproof depth — 100.00% more. 10 m vs 5 m.
- ▲Max video: 8K (vs 5.7K).
Spec comparison
Video
| Spec | Insta360 - ONE RS (Twin Edition) | Insta360 - X4 |
|---|---|---|
| Max video | 5.7K | 8Klead |
| Max 4K fps | 60 | 60 |
| HDRⓘ | true | true |
| Log profileⓘ | false | false |
Stabilization
| Spec | Insta360 - ONE RS (Twin Edition) | Insta360 - X4 |
|---|---|---|
| Horizon lock | true | true |
| Stabilization | gimbal-class | gimbal-class |
Durability
| Spec | Insta360 - ONE RS (Twin Edition) | Insta360 - X4 |
|---|---|---|
| Waterproof depth | 5 m | 10 mlead |
| Weight | 130 glead | 203 g |
| Removable lens | truelead | false |
Frequently asked
Spec-level deep dives
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