On this page we compare specs vivo U20 Octa-core (2x2.0 GHz Kryo 460 Gold, 6x1.7 GHz Kryo 460 Silver) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | vivo U20 | Oppo A3s |
|---|
| Operating system | Android 9.0 (Pie), Funtouch 9.0 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (2x2.0 GHz Kryo 460 Gold, 6x1.7 GHz Kryo 460 Silver) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 612 | Adreno 506 |
| RAM | 6 GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 64 GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, up to 256 GB | |
| User Interface | Yes | |
| Display | vivo U20 | Oppo A3s |
|---|
| Type | IPS LCD capacitive touchscreen | IPS LCD |
| Size | 6.53 inches | 6.2" inc |
| Resolution | 1080 x 2340 pixels | 720 x 1520 px |
| Touchscreen | Capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | 395 ppi | 271 PPI |
| Colors | 16M | 16M |
| Connectivity | vivo U20 | Oppo A3s |
|---|
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| 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) | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| SIM | Nano SIM | |
| Network | | GSM / HSPA / LTE |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Wireless Charging | No | |
| Bluetooth | | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | vivo U20 | Oppo A3s |
|---|
| Image | 1080p | |
| Main camera | 16 MP (wide), 8 MP (ultrawide), 2 MP macro camera | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | 2160p@30fps, 1080p@30fps | 1080p@30fps |
| Selfie camera | 16 MP | 8 MP, Single |
| Multimedia | vivo U20 | Oppo A3s |
|---|
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | vivo U20 | Oppo A3s |
|---|
| Colors | | Red, Dark Purple |
| Waterproof | No | |
| Dimensions | 162.2 x 76.5 x 8.9 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 193 grams | 168 g |
| Battery | vivo U20 | Oppo A3s |
|---|
| Capacity | Li-Po 5000 mAh battery, Battery charging 18W | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Placement | Non-removable | |
| Other | vivo U20 | Oppo A3s |
|---|
| Release date | | 2018, July |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Accelerometer, proximity, compass |
![vivo Y20s [G]](https://img.mobilexfiles.com/small/vivo_y20s_[g].webp)
