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- J9 vs Redmi 8A Dual
Cubot J9 vs Xiaomi Redmi 8A Dual
What J9 does better (1) and where Redmi 8A Dual wins (9) — every spec side by side.
vs
2.9Display2.3
3.6Camera3.4
2.9Features2.4
Dimensions
Size comparison
J9Redmi 8A Dual
| J9 | Redmi 8A Dual | Difference | |
|---|---|---|---|
| Height | 156.2 mm | 156.5 mm | −0.3 mm |
| Width | 74.6 mm | 75.4 mm | −0.8 mm |
| Thickness | 9.4 mm | 9.4 mm | = |
| Weight | 185 g | 188 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is J9 better than Redmi 8A Dual?
- Rear cameras3 vs 13×
Why is Redmi 8A Dual better than J9?
- Storage (max)16 GB vs 64 GB4×
- RAM2 GB vs 3 GB+50%
- Battery capacity4,200 mAh vs 5,000 mAh+19%
- CPU frequency1.3 GHz vs 1.95 GHz+50%
- Process28 nm vs 12 nm2.3×
- CPU cores4 vs 82×
- Storage (base)16 GB vs 32 GB2×
- Memory card slotNo · J9: Yes
- Bluetooth4 vs 4.2+5%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 188 g |
| Thickness | 9.4 mm | 9.4 mm |
| Height | 156.2 mm | 156.5 mm |
| Width | 74.6 mm | 75.4 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | — | Corning Gorilla Glass 5 |
| Colours | Blue, Black, Green | Sky White, Sea Blue, Midnight Grey |
| Display | ||
| Screen size | 6.2″ | 6.2″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,520 px | 1,520 px |
| Pixel density | 271 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 400 nits |
| Screen-to-body ratio | 82.3% | 81.8% |
| Performance | ||
| Chipset | Mediatek MT6580 | Qualcomm SDM439 Snapdragon 439 |
| Chip maker | MediaTek | Qualcomm |
| Process | 28 nm | 12 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.3 GHz | 1.95 GHz |
| GPU | — | Adreno 505 |
| Memory | ||
| RAM | 2 GB | 3 GB |
| Storage (max) | 16 GB | 64 GB |
| Storage (base) | 16 GB | 32 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | — | f/2.2 |
| Main sensor size | — | 1/3.1" |
| Rear cameras | 3 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | — | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,200 mAh | 5,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | — | 18 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 | 4.2 |
| NFC | No | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer, proximity | Accelerometer, proximity, compass |
| SAR (head) | — | 0.34 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 9.0 (Pie) |
| Platform | Android | Android |
| Interface | — | MIUI 12 |
