Between the ONE RS (Twin Edition) and HDR-AS300, the ONE RS (Twin Edition) comes out ahead in horizon lock and max video, while the HDR-AS300 wins on waterproof depth. Overall, the ONE RS (Twin Edition) scores 58.6 and the HDR-AS300 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.
Pick the ONE RS (Twin Edition) if you care most about horizon lock and max video. The biggest gaps in its favor are horizon lock, max video, stabilization.
Pick the HDR-AS300 if you care most about waterproof depth. Its strongest claims are waterproof depth.
Both ship with comparable max 4k fps, 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
- ▲Has Horizon lock.
- ▲Max video: 5.7K (vs 4K60).
- ▲Stabilization: gimbal-class (vs advanced).
Why Sony - HDR-AS300 wins
- ▲Waterproof depth — 1100.00% more. 60 m vs 5 m.
Spec comparison
Video
| Spec | Insta360 - ONE RS (Twin Edition) | Sony - HDR-AS300 |
|---|---|---|
| Max video | 5.7Klead | 4K60 |
| Max 4K fps | 60 | 60 |
| HDRⓘ | truelead | false |
| Log profileⓘ | false | false |
Stabilization
| Spec | Insta360 - ONE RS (Twin Edition) | Sony - HDR-AS300 |
|---|---|---|
| Horizon lock | truelead | false |
| Stabilization | gimbal-classlead | advanced |
Durability
| Spec | Insta360 - ONE RS (Twin Edition) | Sony - HDR-AS300 |
|---|---|---|
| Waterproof depth | 5 m | 60 mlead |
| Weight | 130 g | 109 glead |
| Removable lens | truelead | false |
Frequently asked
Spec-level deep dives
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