| Hardware and OS vivo U20 |
| Operating system: | Android 9.0 (Pie), Funtouch 9.0 |
| Processor: | Octa-core (2x2.0 GHz Kryo 460 Gold, 6x1.7 GHz Kryo 460 Silver) |
| GPU: | Adreno 612 |
| RAM: | 6 GB |
| Internal Storage: | 64 GB |
| Memory Card Slot: | microSD, up to 256 GB |
| User Interface: | Yes |
| Display vivo U20 |
| Type: | IPS LCD capacitive touchscreen |
| Size: | 6.53 inches |
| Resolution: | 1080 x 2340 pixels |
| Colors: | 16M |
| Pixel Density: | 395 ppi |
| Touchscreen: | Capacitive touchscreen |
| Connectivity vivo U20 |
| 4G Network: | LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPS: | Yes, with A-GPS, GLONASS, BDS |
| NFC: | No |
| USB: | microUSB 2.0, USB On-The-Go |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A |
| SIM: | Nano SIM |
| Dual SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Wireless Charging: | No |
| Camera vivo U20 |
| Main camera: | 16 MP (wide), 8 MP (ultrawide), 2 MP macro camera |
| Features: | LED flash, HDR, panorama |
| Image: | 1080p |
| Video: | 2160p@30fps, 1080p@30fps |
| Selfie camera: | 16 MP |
| Multimedia vivo U20 |
| Loudspeaker: | Yes |
| Handsfree: | Yes |
| Radio: | Yes |
| Video Playback: | Yes |
| Video Out: | Yes |
| Ring Tones: | Yes |
| 3.5 mm Jack: | yes |
| Design vivo U20 |
| Dimensions: | 162.2 x 76.5 x 8.9 mm |
| Waterproof: | No |
| Weight: | 193 grams |
| Battery vivo U20 |
| Capacity: | Li-Po 5000 mAh battery, Battery charging 18W |
| Placement: | Non-removable |
| Other vivo U20 |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |
