| Brand: | Vivo |
| Model: | V21 |
| Type: | Smartphone |
| Release Date: | 2021, April 27 |
| Size: | 6.44 inches, 100.1 cm2 (~84.8% screen-to-body ratio) |
| Resolution: | 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) |
| Technology: | AMOLED, 90Hz, HDR10+, 500 nits (typ) |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 4K@30fps (no OIS), 1080p@30/60fps |
| Selfie Specs: | 44 MP, f/2.0, (wide), AF, OIS |
| Selfie Features: | Dual-LED flash, HDR |
| Selfie Video: | 4K@30fps (no OIS), 1080p@30fps |
| Capacity: | Li-Po 4000 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | MediaTek MT6853 Dimensity 800U (7 nm) |
| Ram: | 8GB |
| Storage: | 128GB |
| Expandable: | microSDXC (uses shared SIM slot) |
| Os Version: | 11.1 |
| Dimensions: | 159.7 x 73.9 x 7.3 mm (6.29 x 2.91 x 0.29 in) |
| Weight: | 176 g (6.21 oz) |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth: | 5.1, A2DP, LE |
| Nfc: | No |
| Usb: | USB Type-C 2.0, USB On-The-Go |
| Headphone Jack: | No |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Colors: | Dusk Blue, Sunset Dazzle |