Allview V4 Viper vs myPhone City 2
| Type | Touch | Touch |
| Dimensions | 145.80 x 70.90 x 8.50 mm | 153.00 x 71.80 x 8.80 mm |
| Weight | 138.00 g | 136.00 g |
| Display size | 5.70" | 5.72" |
| Display | Color / IPS TFT 16M colors 720 x 1520 px (5.70") 295 ppi | Color / IPS TFT 16M colors 720 x 1440 px (5.72") 281 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 800 min. (13.3 h) | 2G: 1800 min. (30.0 h) |
| Stand-by (max.) | 2G: 270 h. (11.3 days) | 2G: 100 h. (4.2 days) 3G: 80 h. (3.3 days) |
| Standard battery | Li-Po 2700 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 16 GB | 64 GB |
| RAM memory | 2 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | Android 9.0 Pie | Android 9.0 Pie |
| Processor | MediaTek Helio A22 MT6761 | Unisoc SC9863A |
| Processor clock | 2000 MHz | 1600 MHz |
| GPU | PowerVR GE8300 @660 MHz | IMG8322 @550 MHz |
| Touchscreen | ||
| SAR (10g) | 1,131 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(microSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 3Q 2019 | 3Q 2019 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800 TDD LTE: 2600 | FDD LTE: 2600, 2100, 1800, 800 |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

