| Hardware and OS vivo U3 |
| Operating system: | Android 9.0 (Pie); Funtouch 9.0 |
| Processor: | Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) |
| Chipset: | Qualcomm SDM675 Snapdragon 675 (11 nm) |
| GPU: | Adreno 612 |
| Internal memory: | 64GB 4GB RAM, 64GB 6GB RAM |
| External memory: | microSD, up to 256 GB |
| Display vivo U3 |
| Type: | IPS LCD |
| Size: | 6.53" inc |
| Resolution: | 1080 x 2340 px |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 84.4% |
| Display area: | 104.7 cm2 |
| Display aspect ratio: | 19.5:9 (height:width) |
| Pixel Density: | 395 PPI |
| Colors: | 16M |
| Connectivity vivo U3 |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 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 |
| Network: | GSM / HSPA / LTE |
| SIM card: | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth: | 5.0, A2DP, LE, aptX |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS, GLONASS, BDS |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A |
| USB: | microUSB 2.0, USB On-The-Go |
| Camera vivo U3 |
| Main camera: | 16 MP,
Triple |
| Specs: | 16 MP, f/1.8, (wide), PDAF
-8 MP, f/2.2, 13mm (ultrawide)
-2 MP, f/2.4, macro camera |
| Features: | LED flash, HDR, panorama |
| Features: | HDR |
| Video: | 2160p@30fps, 1080p@30fps |
| Selfie camera: | 16 MP,
Single |
| Specs: | 16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm |
| Video: | 1080p@30fps |
| Multimedia vivo U3 |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design vivo U3 |
| Colors: | Black, Blue, Green |
| Dimensions: | 162.2 x 76.5 x 8.9 mm |
| Weight: | 193 g |
| Battery vivo U3 |
| Battery capacity: | 5000 mAh, Non-removable Li-Po |
| Other vivo U3 |
| Release date: | 2019, October |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |
