On this page we compare specs Xiaomi Redmi S3 Octa core (1.8 GHz, Quad core, Kryo 260 1.6 GHz, Quad core, Kryo 260) 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 | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Operating system | Android v8.0 (Oreo) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa core (1.8 GHz, Quad core, Kryo 260 1.6 GHz, Quad core, Kryo 260) | Octa-core 1.8 GHz Cortex-A53 |
| Custom UI | MIUI | |
| Chipset | Qualcomm Snapdragon 636 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 509 | Adreno 506 |
| Internal memory | 32 GB | 16 GB, 2 GB RAM |
| Architecture | 64 bit | |
| External memory | Yes, Up to 256 GB | microSD, up to 256 GB (dedicated slot) |
| RAM | 3 GB | |
| Display | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.99 inches (15.21 cm) | 6.2" inc |
| Resolution | | 720 x 1520 px |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Screen format | 18:9 | |
| Display aspect ratio | | 19:9 (height:width) |
| PPI /points per inch/ | 406 ppi | |
| Pixel Density | | 271 PPI |
| Colors | | 16M |
| Screen Protection | Corning Gorilla Glass, | |
| Connectivity | Xiaomi Redmi S3 | Oppo A3s |
|---|
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| Network Support | 4G, 3G, 2G | |
| 4G Network | | LTE |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Network | | GSM / HSPA / LTE |
| SIM card | SIM1: Nano, SIM2: Nano | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| Edge | | Yes |
| VoLTE | Yes | |
| GPRS | | Yes |
| GPS | Yes with A-GPS | Yes, with A-GPS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Camera Setup | Dual | |
| Autofocus | Yes, Phase Detection autofocus | |
| Main camera | 13 MP, Primary Camera, 13 MP, | 13 MP, Dual |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Flash | Yes, Dual-color LED Flash | |
| Features | | LED flash, HDR, panorama |
| Image Resolution | 4128 x 3096 Pixels | |
| Video | | 1080p@30fps |
| Selfie camera | 5 MP, Primary Camera, | 8 MP, Single |
| Multimedia | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Headphone jack | 3.5 mm | |
| 3.5 mm Jack | | Yes |
| Loudspeaker | Yes | |
| Radio | | FM radio |
| Design | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Colors | | Red, Dark Purple |
| Dimensions | | 156.2 x 75.6 x 8.2 mm |
| Weight | | 168 g |
| Battery | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Capacity | 3300 mAh | |
| Type | Li-ion | |
| Removable | No | |
| USB Type-C | No | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other features | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Fingerprint Sensor | Yes | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
| Other | Xiaomi Redmi S3 | Oppo A3s |
|---|
| Release date | | 2018, July |
| Sensors | | Accelerometer, proximity, compass |
