Vivo V21 vs Umidigi Power 3
| Type | Touch | Touch |
| Dimensions | 159.68 x 73.90 x 7.39 mm | 162.10 x 77.20 x 10.30 mm |
| Weight | 177.00 g | 228.00 g |
| Display size | 6.44" | 6.53" |
| Display | Color / AMOLED 16M colors 90 Hz 1080 x 2404 px (6.44") 409 ppi | Color / IPS TFT 16M colors 1080 x 2340 px (6.53") 395 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 3300 min. (55.0 h) | |
| Stand-by (max.) | 3G: 566 h. (23.6 days) | |
| Playback time (max.) | nd | Video: 29 h (1.2 days) |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
| Li-Ion 6150 mAhBuy powerbank
|
| Quick battery charging | Pump Express | |
| Wireless battery charging | ||
| Internal memory | 128 GB, 256 GB | 64 GB |
| RAM memory | 8 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 11 | Android 10 |
| Interface | Funtouch 11.1 | - |
| Processor | MediaTek Dimensity 800U | MediaTek Helio P60 MT6771 |
| Processor clock | 2400 MHz | 2000 MHz |
| GPU | ARM Mali-G57 MC3 | ARM Mali-G72 MP3 @800 MHz |
| Touchscreen | ||
| SAR (10g) | 1,05 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 2Q 2021 | 4Q 2019 |
| Other names | V2066; PD2083F_EX | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700, 600 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | ||
| CDMA | 850 1900 CDMA2000 1xEV-DO | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

