DJI - Osmo Action 3 vs GoPro - HERO13 Black Mini (rumored)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | DJI - Osmo Action 3 | GoPro - HERO13 Black Mini (rumored) |
|---|---|---|
| Max 4K fps | 120 | 60 |
| Waterproof depth | 16 m | 10 m |
| Max video | 4K120 | 5.3K |
Between the Osmo Action 3 and HERO13 Black Mini (rumored), the Osmo Action 3 comes out ahead in max 4k fps / waterproof depth, while the HERO13 Black Mini (rumored) wins on max video. Overall, the Osmo Action 3 scores 76.5 and the HERO13 Black Mini (rumored) scores 69.8 on our Mars Score.
Which should you buy?
The Osmo Action 3 edges ahead on the Mars Score (76.5 vs 69.8), but the 6.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Osmo Action 3 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.
Pick the HERO13 Black Mini (rumored) if you care most about max video. Its strongest claims are max video. The single most decisive one: Max video: 5.3K (vs 4K120).
Both ship with comparable stabilization, horizon lock, so those specs do not separate the two — focus on the differences below.
Bottom line: the Osmo Action 3 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: DJI - Osmo Action 3 or GoPro - HERO13 Black Mini (rumored)?
DJI - Osmo Action 3 leads the current Mars Score by 6.7 points.The more useful decision is the trade-off behind that result: compare max video, max 4k fps, waterproof depth against the way you will actually use the product.
Choose DJI - Osmo Action 3 if…
DJI - Osmo Action 3 has the measurable edge on max fps 4k, water depth m.
Choose GoPro - HERO13 Black Mini (rumored) if…
GoPro - HERO13 Black Mini (rumored) has the measurable edge on max video.
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 DJI - Osmo Action 3 wins
- ▲Max 4K fps — 100.00% more. 120 vs 60.
- ▲Waterproof depth — 60.00% more. 16 m vs 10 m.
Why GoPro - HERO13 Black Mini (rumored) wins
- ▲Max video: 5.3K (vs 4K120).
Spec comparison
Video
| Spec | DJI - Osmo Action 3 | GoPro - HERO13 Black Mini (rumored) |
|---|---|---|
| Max video | 4K120 | 5.3Klead |
| Max 4K fps | 120lead | 60 |
| HDRⓘ | true | true |
| Log profileⓘ | false | false |
Stabilization
| Spec | DJI - Osmo Action 3 | GoPro - HERO13 Black Mini (rumored) |
|---|---|---|
| Horizon lock | true | true |
| Stabilization | advanced | advanced |
Durability
| Spec | DJI - Osmo Action 3 | GoPro - HERO13 Black Mini (rumored) |
|---|---|---|
| Waterproof depth | 16 mlead | 10 m |
| Weight | 145 g | 133 glead |
| Removable lens | false | false |