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- Compare
- KeyChain 2 vs C300
AKASO KeyChain 2 vs SJCAM C300
What KeyChain 2 does better (0) and where C300 wins (6) — every spec side by side.
vs
5.7Video6.8
6.7Photo7.3
7.1Battery9.5
Dimensions
Size comparison
KeyChain 2C300
| KeyChain 2 | C300 | Difference | |
|---|---|---|---|
| Height | 34 mm | 32 mm | +2 mm |
| Width | 68 mm | 130 mm | −62 mm |
| Depth | 27 mm | 22.2 mm | +4.8 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is KeyChain 2 better than C300?
KeyChain 2 has no measurable advantages in this pair.
Why is C300 better than KeyChain 2?
- Battery life (recording)180 min vs 360 min2×
- Max frame rate (slow motion)30 fps vs 120 fps4×
- Main screen size0.5″ vs 1.33″2.7×
- Battery capacity1,050 mAh vs 2,800 mAh2.7×
- Max field of view45° vs 154°3.4×
- Depth27 mm vs 22.2 mm+22%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 31 g |
| Width | 68 mm | 130 mm |
| Height | 34 mm | 32 mm |
| Depth | 27 mm | 22.2 mm |
| Waterproof without case | — | 0 m |
| Waterproof with housing | — | 30 m |
| Ingress protection | IPX6 | IP68 |
| Min operating temperature | — | -10 °C |
| Video | ||
| Max video resolution | 4K | 4K |
| 4K frame rate (max) | 30 fps | 30 fps |
| Max frame rate (slow motion) | 30 fps | 120 fps |
| H.265 / HEVC | — | Yes |
| Timelapse / hyperlapse | — | Yes |
| Pre-recording (HindSight / Pre-Rec) | — | Yes |
| Sensor & photo | ||
| Sensor size | 1/1.3" | — |
| Sensor size (optical format) | 0.77″ | — |
| Photo resolution | — | 20 MP |
| Max field of view | 45° | 154° |
| Stabilisation | ||
| Stabilisation system | — | Gyroskopischer Bildstabilisator |
| Electronic image stabilisation | — | Yes |
| Screens | ||
| Front screen | — | Yes |
| Main screen size | 0.5″ | 1.33″ |
| Touchscreen | Yes | Yes |
| Battery | ||
| Battery capacity | 1,050 mAh | 2,800 mAh |
| Battery life (recording) | 180 min | 360 min |
| Connectivity | ||
| Wi-Fi | — | Yes |
| Webcam mode | — | Yes |
| Live streaming | — | Yes |
| Storage & features | ||
| microSD card slot | — | Yes |
| Max memory card | — | 128 GB |
