Side-by-side technical data
Cubot J9 vs ZTE Blade A31
Comparison between Cubot J9 and ZTE Blade A31: camera, battery, fast charging, display, performance and colors, side by side. More phones from Cubot and ZTE.
The verdict
Neither runs away with it: each wins something.
| Category | J9 | Blade A31 |
|---|---|---|
| Design & display | 4.8 | 5.1 |
| Performance & hardware | 1.0 | 1.6 |
| Camera | 2.0 | 1.3 |
| Connectivity | 2.7 | 4.3 |
| Battery & charging | 4.2 | 2.2 |
Which one is for you?
Cubot J9, if you care about…
- Battery Capacity
- 4,200 mAh
- against 3,000 mAh
- Usable Surface
- 82.3 %
- against 77.1 %
- Display Diagonal
- 6.2″
- against 5.45″
- Display Vertical Resolution
- 1,520 px
- against 1,440 px
ZTE Blade A31, if you care about…
- AnTuTu Score
- 109,200
- against 44,350
- Bluetooth Version
- Bluetooth 4.2
- against Bluetooth 4.0
- Maximum Storage Capacity
- 32 GB
- against 16 GB
- Display Pixel Density
- 295 ppi
- against 271 ppi
Specification comparison
Performance
| Specification | J9 | Blade A31 |
|---|---|---|
| Processor Model | MediaTek MT6580 | Unisoc SC9863A |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | ARM Mali-400 MP1 | IMG8322 |
| Storage Type | — | eMMC 5.1 |
| Maximum CPU Clock | 1.3 GHz | 1.6 GHz Best value |
| Maximum Storage Capacity | 16 GB | 32 GB Best value |
| AnTuTu Score | 44,350 | 109,200 Best value |
| Geekbench 6 Single-Core | — | 164 |
| Geekbench 6 Multi-Core | — | 725 |
| CPU Description | Quad-core 1.3 GHz Cortex-A7 CPU | Octa-core CPU with four Cortex-A55 cores at 1.6 GHz and four Cortex-A55 cores at 1.2 GHz. |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | No | Yes Best value |
| RAM Capacity | 2 GB | 2 GB |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v9 |
Design
| Specification | J9 | Blade A31 |
|---|---|---|
| Body Colors | Black, Blue, Green | Blue, Grey |
| Body Thickness | 9.4 mm | 8.9 mm Best value |
| Body Width | 74.6 mm | 71 mm |
| Body Height | 156.2 mm | 140 mm |
| Weight | 185 g | 166 g Best value |
| Usable Surface | 82.3 % Best value | 77.1 % |
| Body Materials | Plastic | Plastic |
Battery
| Specification | J9 | Blade A31 |
|---|---|---|
| Battery Capacity | 4,200 mAh Best value | 3,000 mAh |
| Battery Type | Li-Polymer | Li-Ion |
| Battery Features | Removable | Non-Removable, Battery Level Indicator, Rechargeable |
Display
| Specification | J9 | Blade A31 |
|---|---|---|
| Display Aspect Ratio | 19:9 | 18:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.2″ Best value | 5.45″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,520 px Best value | 1,440 px |
| Display Pixel Density | 271 ppi | 295 ppi Best value |
| Display Features | IPS LCD, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless | IPS LCD, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Touchscreen |
Sensor
| Specification | J9 | Blade A31 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Light Sensor | Accelerometer, Light Sensor, Proximity Sensor, Fingerprint Sensor |
Software
| Specification | J9 | Blade A31 |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
| Google Services | Yes | Yes |
Connectivity
| Specification | J9 | Blade A31 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B8 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B28A, 4G LTE B28B, 4G LTE B38 |
| Cellular Technologies | GSM, HSPA | GSM, HSPA, LTE, 4G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 4 (802.11n), Wi-Fi 802.11a/b/g/n |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Dual Band, Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.2 Best value |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS, A-GPS | GPS, A-GPS, GLONASS, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, OTA Sync, FM Radio, Tethering, USB Charging, USB Mass Storage, USB Type-C | 3.5 mm Audio Jack, NFC, FM Radio, microUSB, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG |
| USB Version | USB Type-C | microUSB |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 150 Mbps |
Audio
| Specification | J9 | Blade A31 |
|---|---|---|
| Audio Features | A2DP, Loudspeaker | Loudspeaker, A2DP |
