On this page we compare specs Xiaomi Redmi Note 12 (China) Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55) 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 Note 12 (China) | Oppo A3s |
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Operating system | Android 12, MIUI 13 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55) | Octa-core 1.8 GHz Cortex-A53 |
Chipset | Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
GPU | Adreno 619 | Adreno 506 |
Internal memory | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 16 GB, 2 GB RAM |
External memory | No | microSD, up to 256 GB (dedicated slot) |
Display | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Type | Samsung AMOLED, 120Hz, 1200 nits (peak) | IPS LCD |
Size | 6.67 inches, 107.4 cm2(~85.0% screen-to-body ratio) | 6.2" inc |
Resolution | 1080 x 2400 pixels, 20:9 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 |
Connectivity | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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5G Network | 1, 3, 5, 8, 41, 77, 78 SA/NSA | |
WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | |
2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
Infrared port | Yes | |
3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
NFC | No | |
4G Network | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 | LTE |
Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
CDMA | CDMA 800 | |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 5.1, A2DP, LE | 4.2, A2DP, LE |
Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
Edge | | Yes |
GPRS | | Yes |
GPS | | Yes, with A-GPS |
Speed | HSPA, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | USB Type-C 2.0, OTG | microUSB 2.0, USB On-The-Go |
Main Camera | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Camera | 48 MP, (wide), 0.8µm, PDAF 2 MP, f/2.4, (depth) | |
Features | Dual-LED dual-tone flash, HDR, panorama | |
Video | 1080p@30/60fps | |
Selfie camera | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Camera | 8 MP, f/2.0, (wide), 1/4", 1.12µm | |
Features | HDR | |
Video | 1080p@30fps | |
Camera | Xiaomi Redmi Note 12 (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 Note 12 (China) | Oppo A3s |
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Multimedia | 24-bit/192kHz audio | |
Loudspeaker | Yes | |
3.5 mm Jack | Yes | Yes |
Radio | | FM radio |
Design | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Colors | Black, White, Blue | Red, Dark Purple |
Body | IP53, dust and splash resistant | |
Dimensions | 165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in) | 156.2 x 75.6 x 8.2 mm |
SIM | Dual SIM (Nano-SIM, dual stand-by) | |
Weight | 188 g (6.63 oz) | 168 g |
Battery | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Type | Li-Po 5000 mAh, non-removable | |
Charging | 33W wired | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |
Features | Xiaomi Redmi Note 12 (China) | Oppo A3s |
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Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |