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- Osmo Action 4 vs HERO9 Black
DJI Osmo Action 4 vs GoPro HERO9 Black
What Osmo Action 4 does better (5) and where HERO9 Black wins (3) — every spec side by side.
vs
8.7Video9.0
5.7Photo7.1
8.8Ruggedness8.1
7.4Features9.2
Dimensions
Size comparison
Osmo Action 4HERO9 Black
| Osmo Action 4 | HERO9 Black | Difference | |
|---|---|---|---|
| Height | 44.2 mm | 50.8 mm | −6.6 mm |
| Width | 70.5 mm | 71.8 mm | −1.3 mm |
| Depth | 32.8 mm | 33.6 mm | −0.8 mm |
| Weight | 145 g | 158 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Osmo Action 4 better than HERO9 Black?
- 4K frame rate (max)120 fps vs 60 fps2×
- Waterproof without case18 m vs 10 m+80%
- Weight145 g vs 158 g+9%
- Battery capacity1,770 mAh vs 1,720 mAh+3%
- Depth32.8 mm vs 33.6 mm+2%
Why is HERO9 Black better than Osmo Action 4?
- Max video resolution4K vs 5K
- Photo resolution10 MP vs 20 MP2×
- Main screen size2.25″ vs 2.7″+20%
Specifications
Side by side
| Design & durability | ||
| Weight | 145 g | 158 g |
| Width | 70.5 mm | 71.8 mm |
| Height | 44.2 mm | 50.8 mm |
| Depth | 32.8 mm | 33.6 mm |
| Waterproof without case | 18 m | 10 m |
| Waterproof with housing | 60 m | — |
| Ingress protection | IP68 | — |
| Min operating temperature | -20 °C | — |
| Max operating temperature | 45 °C | — |
| Video | ||
| Max video resolution | 4K | 5K |
| 4K frame rate (max) | 120 fps | 60 fps |
| Max frame rate (slow motion) | 240 fps | 240 fps |
| Max video bitrate | 130 Mbps | — |
| 10-bit video | Yes | — |
| Log colour profile | Yes | — |
| HDR video | — | Yes |
| H.265 / HEVC | Yes | Yes |
| Timelapse / hyperlapse | Yes | Yes |
| Pre-recording (HindSight / Pre-Rec) | Yes | — |
| Sensor & photo | ||
| Sensor size | 1/1.3" | — |
| Sensor size (optical format) | 0.77″ | — |
| Photo resolution | 10 MP | 20 MP |
| Aperture | f/2.8 | — |
| Max field of view | 155° | — |
| RAW photos | Yes | Yes |
| Stabilisation | ||
| Stabilisation system | RockSteady 3.0, RockSteady 3.0+, HorizonBalancing | — |
| Electronic image stabilisation | Yes | Yes |
| 360° horizon lock | Yes | — |
| Screens | ||
| Front screen | Yes | Yes |
| Main screen size | 2.25″ | 2.7″ |
| Front screen size | 1.4″ | — |
| Touchscreen | Yes | Yes |
| Audio | ||
| Microphones | 3 | 3 |
| External microphone support | Yes | Yes |
| Battery | ||
| Battery capacity | 1,770 mAh | 1,720 mAh |
| Battery energy | 6.8 Wh | — |
| Battery life (recording) | 160 min | — |
| Connectivity | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| GPS | — | Yes |
| Webcam mode | — | Yes |
| Live streaming | Yes | — |
| Storage & features | ||
| microSD card slot | Yes | Yes |
| Max memory card | 512 GB | — |
| Voice control | Yes | Yes |
| Timecode sync | Yes | — |
