| Celkon | Vivo | |
Celkon Q455 Millennium 7,999 | Vivo Y91 8,990 | |
| Processor-CPU | 1.2 GHz, Quad Core Processor | (4X 2.0GHz Cortex A53 + 4X 1.5GHz Cortex A53 ) Octa Core Meidatek Heilo P22 Processor | Graphics Processor-GPU | PowerVR GE8300 |
|---|---|---|
| Screen Size | 4.50 inch | 6.22 inch |
| Screen Resolution | 540 x 960 Pixels | HD+, 1500 x 720 pixe |
| Color Options | Black, White, Blue | Ocean Blue |
| Operating System | Android KitKat | Android Oreo |
|---|---|---|
| OS Version | 4.4.2 | 8.1 |
| Primary Camera | 8.00 Mega Pixel | 13.00 Mega Pixel |
|---|---|---|
| Front Camera | 1.30 Mega Pixel | 8.00 |
| RAM | 1.00 GB | 2.00 GB |
|---|---|---|
| Internal Storage | 16 GB | 32 GB |
| Expandable upto | 64 GB | 256 GB |
| Battery Capacity | 2000 mAh | 4030 mAh |
|---|
| Network Signal | GSM | GSM |
|---|---|---|
| SIM Type | Regular | Nano |
| Dual SIM | GSM+GSM | Dual SIM Stand-by (GSM + LTE) |
| 3G | Yes | Yes |
| 4G/LTE | No | Yes |
| VoLTE | No | Yes |
| WiFi | Yes | Yes |
| FM Radio | Yes | Yes |
| Navigation | E-GPRS | GPS, A-GPS, GLONASS |
|---|---|---|
| Sensors | Proximity Sensor, Light Sensor, G-Sensor | Proximity Sensor, Ambient Light Sensor, Accelerometer, Fingerprint |
| Bluetooth | 4 | 4.2 |
| NFC | No | No |
| Height | 136.50 mm. | 155.00 |
|---|---|---|
| Width | 68.00 mm. | 75.00 |
| Thickness | 7.90 mm. | 8.00 |
| Weight | 130.00 gm. | 163.00 |