Allview
Side-by-side technical data
Allview A4 Duo vs Allview V4 Viper Pro
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Allview A4 Duo, if you care about…
- Weight
- 110.6 g
- against 191.6 g
Allview V4 Viper Pro, if you care about…
- Battery Capacity
- 3,500 mAh
- against 1,200 mAh
- RAM Capacity
- 2 GB
- against 512 MB
- Display Technology
- IPS LCD
- against TFT LCD
- Display Pixel Density
- 220 ppi
- against 165 ppi
Specification comparison
Battery
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,200 mAh | 3,500 mAh Best value |
| Battery Type | Li-Ion | Li-Polymer |
| Fast Charge Power | — | 10 W |
| Battery Features | — | Fast Charging, Battery Level Indicator, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 8.3333 h | — |
| Standby time | 200 h | — |
| Music playback time | — | — |
Design
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Body Colors | Black | Grey |
| Body Thickness | 12 mm | 8.8 mm Best value |
| Body Width | 63.2 mm | 82 mm |
| Body Height | 116.1 mm | 171 mm |
| Weight | 110.6 g Best value | 191.6 g |
| Usable Surface | 49.7 % | 82.3 % Best value |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Performance
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Processor Model | — | MediaTek MT6739 |
| Processor Process Size | — | 28 nm |
| Graphics GPU | Mali-400 | PowerVR GE8100 |
| Storage Type | — | eMMC 5.1 |
| Maximum CPU Clock | 1 GHz | 1.5 GHz Best value |
| Maximum Storage Capacity | — | 32 GB |
| AnTuTu Score | — | 67,319 |
| Geekbench 6 Single-Core | — | 456 |
| Geekbench 6 Multi-Core | — | 1,499 |
| CPU Description | Dual-core 1.0 GHz Cotex-A7 | Quad-core 1.3 GHz Cortex-A53 |
| Processor Type | Dual-Core | Quad-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 512 MB | 2 GB Best value |
| RAM Type | — | — |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Display
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Display Aspect Ratio | 3:2 | 19:9 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 3.5″ | 6.8″ Best value |
| Display Horizontal Resolution | 320 px | 640 px Best value |
| Display Vertical Resolution | 480 px | 1,352 px Best value |
| Display Pixel Density | 165 ppi | 220 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | IPS LCD, Touchscreen |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensor
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor |
Software
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Operating System | Android 4.2 | Android 9 |
| OS Family | Android | Android |
| OS Version | 4.2 | 9 Best value |
| OS Update Support | — | — |
| Direct OS Updates | — | No |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 3G UMTS B900, 3G UMTS 2100 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B20, 4G LTE B38 |
| Cellular Technologies | GSM, HSPA | GSM, HSPA, UMTS, LTE, 4G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Wi-Fi Hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.0 |
| Bluetooth Profiles | A2DP, EDR | A2DP |
| Navigation Systems | — | GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | 1.2 W/kg |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | A2DP, EDR, Loudspeaker | A2DP, Loudspeaker |
| Alert types | — | — |
Technical
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | A4 Duo | V4 Viper Pro |
|---|---|---|
| Built-in functions | — | — |
