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- Compare
- KeyChain 2 vs C400 Pocket
AKASO KeyChain 2 vs SJCAM C400 Pocket
What KeyChain 2 does better (1) and where C400 Pocket wins (4) — every spec side by side.
vs
5.7Video6.8
6.7Photo3.4
7.1Battery7.7
Dimensions
Size comparison
KeyChain 2C400 Pocket
| KeyChain 2 | C400 Pocket | Difference | |
|---|---|---|---|
| Height | 34 mm | 32.1 mm | +1.9 mm |
| Width | 68 mm | 68.5 mm | −0.5 mm |
| Depth | 27 mm | 25.5 mm | +1.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is KeyChain 2 better than C400 Pocket?
- Battery life (recording)180 min vs 170 min+6%
Why is C400 Pocket better than KeyChain 2?
- Max frame rate (slow motion)30 fps vs 120 fps4×
- Main screen size0.5″ vs 1.3″2.6×
- Battery capacity1,050 mAh vs 1,250 mAh+19%
- Depth27 mm vs 25.5 mm+6%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 54 g |
| Width | 68 mm | 68.5 mm |
| Height | 34 mm | 32.1 mm |
| Depth | 27 mm | 25.5 mm |
| Waterproof without case | — | 0 m |
| Waterproof with housing | — | 30 m |
| Ingress protection | IPX6 | — |
| Video | ||
| Max video resolution | 4K | 4K |
| 4K frame rate (max) | 30 fps | 30 fps |
| Max frame rate (slow motion) | 30 fps | 120 fps |
| Sensor & photo | ||
| Sensor size | 1/1.3" | — |
| Sensor size (optical format) | 0.77″ | — |
| Photo resolution | — | 16 MP |
| Aperture | — | f/3 |
| Max field of view | 45° | — |
| Screens | ||
| Main screen size | 0.5″ | 1.3″ |
| Touchscreen | Yes | Yes |
| Battery | ||
| Battery capacity | 1,050 mAh | 1,250 mAh |
| Battery life (recording) | 180 min | 170 min |
| Connectivity | ||
| Bluetooth | — | Yes |
| Storage & features | ||
| microSD card slot | — | Yes |
