Apple iPhone vs Vivo V21
| Type | Touch | Touch |
| Dimensions | 115.00 x 61.00 x 11.60 mm | 159.68 x 73.90 x 7.39 mm |
| Weight | 135.00 g | 177.00 g |
| Display size | 3.50" | 6.44" |
| Display | Color / TFT 16M colors 320 x 480 px (3.50") 165 ppi | Color / AMOLED 16M colors 90 Hz 1080 x 2404 px (6.44") 409 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 480 min. (8.0 h) | |
| Stand-by (max.) | 2G: 250 h. (10.4 days) | |
| Standard battery | Li-Po 1400 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 4 GB | 128 GB, 256 GB |
| RAM memory | 8 GB | |
| Memory cards | microSD, microSDHC, microSDXC | |
| Operating system | iPhone OS 1.0 | Android 11 |
| Interface | - | Funtouch 11.1 |
| Processor | Samsung S5L8900 | MediaTek Dimensity 800U |
| Processor clock | 412 MHz | 2400 MHz |
| GPU | - | ARM Mali-G57 MC3 |
| Touchscreen | ||
| SAR (10g) | 1,05 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | nanoSIM, microSD |
| Announced | 2Q 2021 | |
| Other names | - | V2066; PD2083F_EX |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

