On this page we compare specs Xiaomi Redmi A2 Octa core, 2 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 A2 | Oppo A3s |
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Operating system | Android v8.0 (Oreo) | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Octa core, 2 GHz, Cortex A53 | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Qualcomm Snapdragon 625 MSM8953 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | | Adreno 506 |
Internal memory | | 16 GB, 2 GB RAM |
Graphics | Adreno 506 | |
External memory | | microSD, up to 256 GB (dedicated slot) |
RAM | 4 GB | |
Internal Storage | 32 GB | |
Expandable memory | Yes Up to 128 GB | |
Custom UI | MIUI | |
Display | Xiaomi Redmi A2 | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 5.7 inches | 6.2" inc |
Resolution | 1080 x 2160 pixels | 720 x 1520 px |
Touchscreen | Yes Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | 424 ppi | 271 PPI |
Colors | | 16M |
Aspect ratio | 18:9 | |
Screen to body ratio calculated | 77.38 % | |
Connectivity | Xiaomi Redmi A2 | Oppo A3s |
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2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | | HSDPA 850 / 900 / 2100 |
Network support | 4G , 3G, 2G | |
4G Network | | LTE |
Wi-Fi | Yes Wi-Fi 802.11, a/ac/b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Dual SIM | Dual SIM, GSM GSM | |
Bluetooth | Yes v5.0 | 4.2, A2DP, LE |
SIM size | SIM1: Nano, SIM2: Nano (Hybrid) | |
USB TYPE-C | Yes | |
Edge | | Yes |
USB connectivity | Mass storage device, USB charging | |
GPRS | | Yes |
GPS | Yes with A-GPS, Glonass | 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 A2 | Oppo A3s |
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Image | 4616 x 3464 Pixels | |
Front camera | 16 MP | |
Main camera | 16 MP 5 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 Soft light flash | |
Features | | LED flash, HDR, panorama |
Autofocus | Yes Phase Detection autofocus | |
Video | | 1080p@30fps |
Video recording | 3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps | |
Selfie camera | | 8 MP, Single |
Multimedia | Xiaomi Redmi A2 | Oppo A3s |
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3.5 mm Jack | | Yes |
Radio | | FM radio |
Design | Xiaomi Redmi A2 | Oppo A3s |
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Colors | | Red, Dark Purple |
Dimensions | | 156.2 x 75.6 x 8.2 mm |
Weight | | 168 g |
Battery | Xiaomi Redmi A2 | Oppo A3s |
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Capacity | 3000 mAh | |
Type | Li-ion | |
User replaceable | No | |
Quick charging | Yes Quick | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Xiaomi Redmi A2 | Oppo A3s |
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Fingerprint sensor | Yes | |
Other sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | |
Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |