Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Insta360 - X4 | Sony - RX0 II |
|---|---|---|
| Max 4K fps | 60 | 30 |
| Horizon lock | true | false |
| Max video | 8K | 4K30 |
| Stabilization | gimbal-class | advanced |
Between the X4 and RX0 II, the X4 comes out ahead in max 4k fps / horizon lock, while the RX0 II wins on several specs. Overall, the X4 scores 76.4 and the RX0 II scores 50.6 on our Mars Score.
Which should you buy?
The X4 is the clear pick on raw spec strength, leading by 25.8 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 X4 if you care most about max 4k fps / horizon lock. The biggest gaps in its favor are max 4k fps, horizon lock, max video, among others. The single most decisive one: Max 4K fps — 100.00% more. 60 vs 30.
The RX0 II similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable waterproof depth, so those specs do not separate the two — focus on the differences below.
Bottom line: the X4 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 - X4 or Sony - RX0 II?
Insta360 - X4 leads the current Mars Score by 25.8 points.The more useful decision is the trade-off behind that result: compare max video, max 4k fps against the way you will actually use the product.
Choose Insta360 - X4 if…
Insta360 - X4 has the measurable edge on max fps 4k, has horizon lock, max video.
Choose Sony - RX0 II if…
Sony - RX0 II 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 - X4 wins
- ▲Max 4K fps — 100.00% more. 60 vs 30.
- ▲Has Horizon lock.
- ▲Max video: 8K (vs 4K30).
- ▲Stabilization: gimbal-class (vs advanced).
Why Sony - RX0 II wins
- No decisive advantages.
Spec comparison
Video
| Spec | Insta360 - X4 | Sony - RX0 II |
|---|---|---|
| Max video | 8Klead | 4K30 |
| Max 4K fps | 60lead | 30 |
| HDRⓘ | true | true |
| Log profileⓘ | false | truelead |
Stabilization
| Spec | Insta360 - X4 | Sony - RX0 II |
|---|---|---|
| Horizon lock | truelead | false |
| Stabilization | gimbal-classlead | advanced |
Durability
| Spec | Insta360 - X4 | Sony - RX0 II |
|---|---|---|
| Waterproof depth | 10 m | 10 m |
| Weight | 203 g | 132 glead |
| Removable lens | false | false |