| Hardware and OS | Xiaomi Mi Pad 4 | Oppo A3s |
| Operating system | Android x.0 (Oreo) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 8-Core Snapdragon 660 (4x2.2 GHz Kryo 260, 4x1.84 GHz Kryo 260) - AIE | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 512 | Adreno 506 |
| RAM | 3GB, 4GB (LPDDR4X) | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 32GB, 64GB (eMMC 5.1) | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | No | |
| User Interface | MIUI 9.0 | |
| Display | Xiaomi Mi Pad 4 | Oppo A3s |
| Type | IPS LCD | IPS LCD |
| Size | 8.0 inch | 6.2" inc |
| Resolution | 1920x1200 pixels | 720 x 1520 px |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | 283 ppi | 271 PPI |
| Protection | TBD | |
| Colors | 16 Million Colors | 16M |
| Features | Capacitive Touchscreen, Sunlight Mode, Luminous Screen, Eye Protection Mode, Color Temperature Management, Color Enhancement, Standard Model | |
| Connectivity | Xiaomi Mi Pad 4 | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes (4G LTE Edition Only) | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Dual-Band, Wi-Fi Direct, Wi-Fi Direct | 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 | Single Nano SIM for LTE version only | |
| GPRS | | Yes |
| GPS | Yes - GPS/ AGPS/ GLONASS/ BDS (4G LTE Version Only) | Yes, with A-GPS |
| Speed | HSPA, HSPA , LTE, LTE (4G LTE Edition Only) | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi Mi Pad 4 | Oppo A3s |
| Main camera | 13 MP, f/2.0 | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | No | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 5 MP, f/2.0 | 8 MP, Single |
| Multimedia | Xiaomi Mi Pad 4 | Oppo A3s |
| Loudspeaker | Yes | |
| Video Playback | H.263, H.264 AVC Baseline Profile (BP), H.264 AVC Main Profile (MP), H.264 HEVC, MPEG-4 SP, XVID, VP8, VP9, ASF/WMV, 3G2, AVI, TS, MKV/WEBM, M4V, 3GP/MP4, FLV | |
| Ring Tones | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio |
| Design | Xiaomi Mi Pad 4 | Oppo A3s |
| Waterproof | No | |
| Colors | | Red, Dark Purple |
| Dimensions | 200.2 x 120.3 x 7.9 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 342.5g | 168 g |
| Battery | Xiaomi Mi Pad 4 | Oppo A3s |
| Capacity | 6000mAh | |
| Placement | Non-removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Xiaomi Mi Pad 4 | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Accelerometer, E-Compass, Ambient Light Sensor, Hall Sensor, Gyroscope (4G LTE Edition Only), | Accelerometer, proximity, compass |
