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- SJ4000 Dual Screen vs SJ8 Dual Screen
SJCAM SJ4000 Dual Screen vs SJCAM SJ8 Dual Screen
What SJ4000 Dual Screen does better (2) and where SJ8 Dual Screen wins (3) — every spec side by side.
vs
4.9Video2.6
6.6Photo5.9
Dimensions
Size comparison
SJ4000 Dual ScreenSJ8 Dual Screen
| SJ4000 Dual Screen | SJ8 Dual Screen | Difference | |
|---|---|---|---|
| Height | 59.2 mm | 41 mm | +18.2 mm |
| Width | 29.8 mm | 62.5 mm | −32.7 mm |
| Depth | 41 mm | 28.8 mm | +12.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is SJ4000 Dual Screen better than SJ8 Dual Screen?
- Max frame rate (slow motion)120 fps vs 30 fps4×
- Max field of view170° vs 127°+34%
Why is SJ8 Dual Screen better than SJ4000 Dual Screen?
- Battery capacity900 mAh vs 1,200 mAh+33%
- Photo resolution16 MP vs 20 MP+26%
- Depth41 mm vs 28.8 mm+42%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 80 g |
| Width | 29.8 mm | 62.5 mm |
| Height | 59.2 mm | 41 mm |
| Depth | 41 mm | 28.8 mm |
| Waterproof without case | 0 m | — |
| Waterproof with housing | 30 m | — |
| Video | ||
| Max video resolution | 4K | 4K |
| 4K frame rate (max) | 30 fps | 30 fps |
| Max frame rate (slow motion) | 120 fps | 30 fps |
| H.265 / HEVC | Yes | Yes |
| Timelapse / hyperlapse | Yes | Yes |
| Sensor & photo | ||
| Sensor size | — | 1/2.8" |
| Sensor size (optical format) | — | 0.36″ |
| Photo resolution | 16 MP | 20 MP |
| Aperture | — | f/1.6 |
| Max field of view | 170° | 127° |
| Screens | ||
| Front screen | Yes | Yes |
| Main screen size | — | 2.33″ |
| Touchscreen | Yes | Yes |
| Audio | ||
| External microphone support | Yes | Yes |
| Battery | ||
| Battery capacity | 900 mAh | 1,200 mAh |
| Battery energy | — | 4.6 Wh |
| Battery life (recording) | — | 120 min |
| Connectivity | ||
| Wi-Fi | Yes | Yes |
| Webcam mode | Yes | — |
| Storage & features | ||
| microSD card slot | Yes | Yes |
| Max memory card | — | 128 GB |
