| Hardware and OS | Xiaomi Redmi Note 5 | Oppo A3s |
| Operating system | Android 7.1.2 (Nougat) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core 2.0 GHz Cortex-A53 | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 506 | Adreno 506 |
| RAM | 64 GB, 4 GB RAM | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 32 GB, 3 GB RAM | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD | |
| Display | Xiaomi Redmi Note 5 | Oppo A3s |
| Type | IPS LCD capacitive touchscreen | IPS LCD |
| Size | 5.99 inches, 92.6 cm2 | 6.2" inc |
| Resolution | 1080 x 2160 pixels | 720 x 1520 px |
| Touchscreen | Yes Multi Touch Support | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Features | HD display, ~ 267 PPI , Capacitive , Multi-touch, 2.5D Curved Glass | |
| Pixel Density | ~403 ppi density | 271 PPI |
| Colors | 16M colors | 16M |
| Connectivity | Xiaomi Redmi Note 5 | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | | LTE |
| SIM | Standard SIM | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Dual SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | 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 |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi Redmi Note 5 | Oppo A3s |
| Image | 1080 x 2160 pixels | |
| Main camera | Dual: 12 MP, phase detection autofocus, dual-LED dual-tone flash | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | dual-LED dual-tone flash | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 5 MP, 1080p | 8 MP, Single |
| Multimedia | Xiaomi Redmi Note 5 | Oppo A3s |
| Loudspeaker | Yes | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Xiaomi Redmi Note 5 | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | | 156.2 x 75.6 x 8.2 mm |
| Weight | | 168 g |
| Battery | Xiaomi Redmi Note 5 | Oppo A3s |
| Capacity | 4000 mAh battery | |
| Placement | Non-Removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Xiaomi Redmi Note 5 | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Accelerometer, proximity, compass |
