On this page we compare specs Xiaomi Redmi 4 (China) Octa-core 1.4 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 4 (China) | Oppo A3s |
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Operating system | Android 6.0.1 (Marshmallow); MIUI 8 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Octa-core 1.4 GHz Cortex-A53 | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Qualcomm MSM8937 Snapdragon 430 (28 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | Adreno 505 | Adreno 506 |
Internal memory | 16GB 2GB RAM | 16 GB, 2 GB RAM |
External memory | microSDXC (uses shared SIM slot) | microSD, up to 256 GB (dedicated slot) |
Display | Xiaomi Redmi 4 (China) | Oppo A3s |
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Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
Size | 5.0 inches, 68.0 cm2 | 6.2" inc |
Resolution | 720 x 1280 pixels, 16:9 ratio | 720 x 1520 px |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | | 271 PPI |
Colors | | 16M |
Main Camera | Xiaomi Redmi 4 (China) | Oppo A3s |
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Camera | 13 MP, f/2.2, PDAF | |
Features | LED flash, HDR, panorama | |
Video | 1080p@30fps | |
Selfie camera | Xiaomi Redmi 4 (China) | Oppo A3s |
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Camera | 5 MP, f/2.2 | |
Video | 1080p@30fps | |
Connectivity | Xiaomi Redmi 4 (China) | 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), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
CDMA | CDMA 800 / 1900 | |
Bluetooth | 4.1, A2DP, LE | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
Infrared port | Yes | |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
Technology | GSM / CDMA / HSPA / EVDO / LTE | |
USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go |
WLAN | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot | |
Camera | Xiaomi Redmi 4 (China) | Oppo A3s |
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Main camera | | 13 MP, Dual |
Specs | | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | | LED flash, HDR, panorama |
Video | | 1080p@30fps |
Selfie camera | | 8 MP, Single |
Multimedia | Xiaomi Redmi 4 (China) | Oppo A3s |
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Loudspeaker | Yes | |
3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio |
Design | Xiaomi Redmi 4 (China) | Oppo A3s |
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Colors | Gold, Dark Gray, Silver | Red, Dark Purple |
SIM | Hybrid Dual SIM | |
Dimensions | 141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in) | 156.2 x 75.6 x 8.2 mm |
Weight | 156 g (5.50 oz) | 168 g |
Features | Xiaomi Redmi 4 (China) | Oppo A3s |
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Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
Battery | Xiaomi Redmi 4 (China) | Oppo A3s |
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Capacity | Non-removable Li-Po 4100 mAh battery | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Xiaomi Redmi 4 (China) | Oppo A3s |
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Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |