- android.gs
- Compare
- J9 vs K42
Cubot J9 vs LG K42
What J9 does better (2) and where K42 wins (12) — every spec side by side.
Dimensions
Size comparison
J9K42
| J9 | K42 | Difference | |
|---|---|---|---|
| Height | 156.2 mm | 165 mm | −8.8 mm |
| Width | 74.6 mm | 76.7 mm | −2.1 mm |
| Thickness | 9.4 mm | 8.4 mm | +1 mm |
| Weight | 185 g | 182 g | +3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is J9 better than K42?
- Battery capacity4,200 mAh vs 4,000 mAh+5%
- Rear cameras3 vs 2+50%
Why is K42 better than J9?
- Storage (max)16 GB vs 64 GB4×
- RAM2 GB vs 3 GB+50%
- NFCNo · J9: Yes
- CPU frequency1.3 GHz vs 2 GHz+54%
- Storage (base)16 GB vs 64 GB4×
- Process28 nm vs 12 nm2.3×
- CPU cores4 vs 82×
- Memory card slotNo · J9: Yes
- Ultra-wide cameraNo · J9: Yes
- Screen size6.2″ vs 6.6″+6%
- Bluetooth4 vs 5+25%
- Thickness9.4 mm vs 8.4 mm+12%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 182 g |
| Thickness | 9.4 mm | 8.4 mm |
| Height | 156.2 mm | 165 mm |
| Width | 74.6 mm | 76.7 mm |
| Colours | Blue, Black, Green | Gray, Green |
| Display | ||
| Screen size | 6.2″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,520 px | 1,600 px |
| Pixel density | 271 ppi | 266 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 82.3% | 83.1% |
| Performance | ||
| Chipset | Mediatek MT6580 | Mediatek MT6762 Helio P22 |
| Chip maker | MediaTek | MediaTek |
| Process | 28 nm | 12 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.3 GHz | 2 GHz |
| GPU | — | PowerVR GE8320 |
| Memory | ||
| RAM | 2 GB | 3 GB |
| Storage (max) | 16 GB | 64 GB |
| Storage (base) | 16 GB | 64 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main sensor size | — | 1/3.1" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | — | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,200 mAh | 4,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | — | 10 W |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4 | 5 |
| NFC | No | Yes |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Side |
| Sensors | Accelerometer, proximity | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
