| Hardware and OS | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Operating system | Android 12, MIUI 13 | Android 8.1 (Oreo); ColorOS 5.2 |
| Processor | Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset | Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm) | Mediatek MT6765 Helio P35 (12nm) |
| GPU | Adreno 619 | PowerVR GE8320 |
| Internal memory | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 32/64 GB, 2/3/4 GB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Type | Samsung AMOLED, 120Hz, 1200 nits (peak) | S-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 |
| Protection | | Corning Gorilla Glass 3 |
| Touchscreen | | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.6% |
| 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 A5s (AX5s) |
| 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 | |
| Infrared port | Yes | |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 | LTE |
| CDMA | CDMA 800 | |
| Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.1, A2DP, LE | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| 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 A5s (AX5s) |
| 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 A5s (AX5s) |
| Camera | 8 MP, f/2.0, (wide), 1/4", 1.12µm | |
| Features | HDR | |
| Video | 1080p@30fps | |
| Camera | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| 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 A5s (AX5s) |
| Multimedia | 24-bit/192kHz audio | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | | FM radio |
| Design | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Body | IP53, dust and splash resistant | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Black, White, Blue | Red, Black, Gold, Green |
| Dimensions | 165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in) | 155.9 x 75.4 x 8.2 mm |
| Weight | 188 g (6.63 oz) | 170 g |
| Battery | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Type | Li-Po 5000 mAh, non-removable | |
| Charging | 33W wired | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Features | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |
| Other | Xiaomi Redmi Note 12 (China) | Oppo A5s (AX5s) |
| Release date | | 2019, March |
| Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |
