The verdict
Your pick: BLU B9, ahead on Performance & hardware and Battery & charging.
| Category | B9 | G51S |
|---|---|---|
| Design & display | 4.5 | 4.7 |
| Performance & hardware | 2.4 | 1.2 |
| Camera | 3.0 | 3.3 |
| Connectivity | 3.9 | 3.7 |
| Battery & charging | 5.3 | 3.8 |
Which one is for you?
BLU B9, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,000 mAh
- RAM Capacity
- 4 GB
- against 2 GB
- Maximum Storage Capacity
- 128 GB
- against 32 GB
BLU G51S, if you care about…
- AnTuTu Score
- 112,545
- against 104,325
- Weight
- 185 g
- against 198 g
- Body Thickness
- 9 mm
- against 9.6 mm
Specification comparison
Performance
| Specification | B9 | G51S |
|---|---|---|
| Processor Model | Spreadtrum Unisoc SC9863 | Unisoc SC9863A |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | PowerVR GE8322 | PowerVR GE8322 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.3 GHz | 1.6 GHz Best value |
| Maximum Storage Capacity | 128 GB Best value | 32 GB |
| AnTuTu Score | 104,325 | 112,545 Best value |
| CPU Description | 4x Cortex-A55 at 1.3 GHz + 4x Cortex-A55 at 1.2 GHz | Octa-core Cortex-A55 CPU, with four cores at 1.6 GHz and four cores at 1.2 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB Best value | 2 GB |
| RAM Type | LPDDR4X | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | v9 |
Design
| Specification | B9 | G51S |
|---|---|---|
| Body Colors | Blue, Grey | Bronze, Blue, Green, Red |
| Body Thickness | 9.6 mm | 9 mm Best value |
| Body Width | 75.9 mm | 77.5 mm |
| Body Height | 164.4 mm | 162.4 mm |
| Weight | 198 g | 185 g Best value |
| Usable Surface | 80 % Best value | 79.9 % |
| Body Materials | Plastic | Plastic |
Battery
| Specification | B9 | G51S |
|---|---|---|
| Battery Capacity | 5,000 mAh Best value | 4,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 15 W | — |
| Battery Features | Fast Charging, Non-Removable | Fast Charging, Non-Removable |
Display
| Specification | B9 | G51S |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 480 nits | — |
| Display Diagonal | 6.52″ Best value | 6.4″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px Best value | 1,560 px |
| Display Pixel Density | 264 ppi | 268 ppi Best value |
| Display Features | Water Drop Notch, Scratch Resistant, Gorilla Glass 3, Curved Glass, Capacitive Touch, Multi-Touch, Frameless | IPS LCD, Water Drop Notch, Curved Glass, Capacitive Touch, Multi-Touch |
Sensors
| Specification | B9 | G51S |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | B9 | G51S |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gravity Sensor, Light Sensor, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Light Sensor, Proximity Sensor |
Software
| Specification | B9 | G51S |
|---|---|---|
| Operating System | — | Android 11 |
| OS Family | — | Android |
| OS Version | — | 11 |
| Google Services | Yes | Yes |
Connectivity
| Specification | B9 | G51S |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM B2, 2G GSM B3, 2G GSM B5, 2G GSM B8, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B12, 4G LTE B17, 4G LTE B28A |
| Cellular Technologies | — | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi Hotspot, Wi-Fi Direct | Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, EDR, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou Best value | GPS, A-GPS |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG | 3.5 mm Audio Jack, FM Radio, USB Type-C, Computer Sync, OTA Sync, Tethering, USB Charging, USB Mass Storage |
| USB Version | — | USB 2.0 |
| SAR American Head | — | 0.981 W/kg |
| SAR American Body | — | 0.67 W/kg |
Audio
| Specification | B9 | G51S |
|---|---|---|
| Audio Features | A2DP, EDR, LE | A2DP, LE, Loudspeaker |
