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- Action 2 vs SJ20
DJI Action 2 vs SJCAM SJ20
What Action 2 does better (7) and where SJ20 wins (5) — every spec side by side.
Dimensions
Size comparison
Action 2SJ20
| Action 2 | SJ20 | Difference | |
|---|---|---|---|
| Height | 39 mm | 55 mm | −16 mm |
| Width | 39 mm | 70.5 mm | −31.5 mm |
| Depth | 22.3 mm | 30 mm | −7.7 mm |
| Weight | 56 g | 370 g | −314 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Action 2 better than SJ20?
- Weight56 g vs 370 g6.6×
- 4K frame rate (max)120 fps vs 30 fps4×
- Waterproof without case10 m vs 0 m
- Max frame rate (slow motion)240 fps vs 120 fps2×
- Battery life (recording)70 min vs 60 min+17%
- Waterproof with housing60 m vs 40 m+50%
- Depth22.3 mm vs 30 mm+35%
Why is SJ20 better than Action 2?
- Photo resolution12 MP vs 20 MP+67%
- Battery capacity580 mAh vs 800 mAh+38%
- Main screen size1.76″ vs 2.29″+30%
- Aperturef/2.8 vs f/1.32.2×
- Battery energy2.2 Wh vs 3 Wh+33%
Specifications
Side by side
| Design & durability | ||
| Weight | 56 g | 370 g |
| Width | 39 mm | 70.5 mm |
| Height | 39 mm | 55 mm |
| Depth | 22.3 mm | 30 mm |
| Waterproof without case | 10 m | 0 m |
| Waterproof with housing | 60 m | 40 m |
| Min operating temperature | 0 °C | — |
| Max operating temperature | 40 °C | — |
| Magnetic quick-release mount | Yes | — |
| Video | ||
| Max video resolution | 4K | 4K |
| 4K frame rate (max) | 120 fps | 30 fps |
| Max frame rate (slow motion) | 240 fps | 120 fps |
| Max video bitrate | 130 Mbps | — |
| H.265 / HEVC | Yes | Yes |
| Timelapse / hyperlapse | Yes | Yes |
| Pre-recording (HindSight / Pre-Rec) | — | Yes |
| Sensor & photo | ||
| Sensor size | 1/1.7" | — |
| Sensor size (optical format) | 0.59″ | — |
| Photo resolution | 12 MP | 20 MP |
| Aperture | f/2.8 | f/1.3 |
| Max field of view | 155° | 154° |
| Lenses | — | 2 |
| RAW photos | Yes | — |
| Stabilisation | ||
| Stabilisation system | RockSteady 2.0+HorizonSteady | 6-Achsen Stabilisation |
| Electronic image stabilisation | Yes | Yes |
| 360° horizon lock | Yes | — |
| Screens | ||
| Front screen | — | Yes |
| Main screen size | 1.76″ | 2.29″ |
| Touchscreen | Yes | Yes |
| Audio | ||
| Microphones | 1 | — |
| External microphone support | Yes | Yes |
| Battery | ||
| Battery capacity | 580 mAh | 800 mAh |
| Battery energy | 2.2 Wh | 3 Wh |
| Battery life (recording) | 70 min | 60 min |
| Charging time | 90 min | — |
| Connectivity | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Webcam mode | — | Yes |
| Live streaming | — | Yes |
| Storage & features | ||
| Internal storage | 128 GB | — |
| microSD card slot | Yes | Yes |
| Max memory card | 256 GB | — |
| Voice control | Yes | — |
