On this page we compare specs Xiaomi Redmi S2 Octa-core 2.0 GHz Cortex-A53 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 S2 | Oppo A3s |
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Operating system | Android 8.1 (Oreo); MIUI 10 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Octa-core 2.0 GHz Cortex-A53 | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Qualcomm MSM8953 Snapdragon 625 (14 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | Adreno 506 | Adreno 506 |
Internal memory | 64 GB, 4 GB RAM32 GB, 3 GB RAM | 16 GB, 2 GB RAM |
External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
Display | Xiaomi Redmi S2 | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 5.99" inc | 6.2" inc |
Resolution | 720 x 1440 px | 720 x 1520 px |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 74.5% | 81.2% |
Display area | 92.6 cm2 | 95.9 cm2 |
Display aspect ratio | 18:9 (height:width) | 19:9 (height:width) |
Pixel Density | 269 PPI | 271 PPI |
Colors | 16M | 16M |
Connectivity | Xiaomi Redmi S2 | Oppo A3s |
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2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
4G Network | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global | LTE |
Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE |
SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
Edge | Yes | Yes |
GPRS | Yes | Yes |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go |
Camera | Xiaomi Redmi S2 | Oppo A3s |
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Main camera | 12 MP, Dual | 13 MP, Dual |
Specs | 16 MP | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | LED flash, panorama, HDR | LED flash, HDR, panorama |
Video | 1080p@30fps (gyro-EIS) | 1080p@30fps |
Selfie camera | 16 MP, Single | 8 MP, Single |
Multimedia | Xiaomi Redmi S2 | Oppo A3s |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio |
Design | Xiaomi Redmi S2 | Oppo A3s |
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Colors | Gray, Gold, Rose Gold, Mesmerising Blue, Stunning Black | Red, Dark Purple |
Dimensions | 160.7 x 77.3 x 8.1 mm | 156.2 x 75.6 x 8.2 mm |
Weight | 170 g | 168 g |
Body build | Front glass, plastic body | |
Battery | Xiaomi Redmi S2 | Oppo A3s |
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Battery capacity | 3080 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion |
Other | Xiaomi Redmi S2 | Oppo A3s |
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Release date | 2018, May | 2018, July |
Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port | Accelerometer, proximity, compass |