| Hardware and OS | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Operating system | Android 8.1 Oreo OS | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 4 x 1.8GHz Kryo 260, 4 x 1.6GHz Kryo 260 CPU Clock | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Qualcomm Adreno 509 GPU | Adreno 506 |
| RAM | 3GB/4GB/6GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 32GB/64GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with MIUI 9 | |
| Display | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Type | IPS, LCD capacitive touchscreen | IPS LCD |
| Size | 5.99 inches Full HD | 6.2" inc |
| Resolution | 1080 x 2160 Pixels, 24 bit color depth | 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) |
| Pixel Density | ~ 403 ppi | 271 PPI |
| Protection | Yes Corning Gorilla Glass | |
| Colors | 16M Colors | 16M |
| Features | IPS, LCD, FHD display, ~ 403 PPI Pixel Density, Capacitive Multi-touch, 18:9 Ratio , 1000:1 Contrast ratio, 450 cd/m2, 84% NTSC, Scratch resistant, 2.5D Curved Glass | |
| Connectivity | Xiaomi Redmi Note 5 AI | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE: 850 / 900 / 1800 / 2100 2600 MHz, TDD-LTE: 1900 (B39) / 2300 (B40) / 2500 (B41) / 2600 (B38) | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, 802.11n 5GHz, Dual band, Wi-Fi Direct, Wi-Fi Display, Wi-Fi Hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| NFC | No | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| SIM | Nano SIM | |
| Edge | | Yes |
| Dual SIM | Hybrid Dual SIM (Nano-SIM, Nano-SIM/microSD) | |
| GPRS | | Yes |
| GPS | Yes, with GPS, A-GPS, GLONASS, BeiDou | Yes, with A-GPS |
| Speed | LTE Cat-12 600 Mbps Download, 100 Mbps Upload, & HSPA | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Micro USB 2.0 With OTG, Host, Charging and Mass Storage Function | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Image | 4000 x 3000 PIxels | |
| Main camera | 12 MP f/1.9 5 MP f/2.0, 1.4m with Dual-LED and AF Dual Rear Camera | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Yes with Dual-LED Flash | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 13 Megapixels with Sony Lens, Face Recognition | 8 MP, Single |
| Multimedia | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Loudspeaker | Yes | |
| Video Playback | Up to 8.8 Hours | |
| Video Out | Yes With Wireless Media Connection | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | 6.24 in x 2.97 in x 0.32 in | 156.2 x 75.6 x 8.2 mm |
| Weight | 181 Grams (With Battery) | 168 g |
| Battery | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Capacity | 4,000 mAh | |
| Placement | Non-Removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Xiaomi Redmi Note 5 AI | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Proximity Sensor, Accelerometer, Light Sensor, Fingerprint ID (Rear Mounted), Compass, Gyroscope, Hall Sensor | Accelerometer, proximity, compass |
