| Hardware and OS | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Operating system | Android 9.0 (Pie), MIUI 11 | Android 8.1 (Oreo); ColorOS 5.2 |
| Processor | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | Mediatek MT6765 Helio P35 (12nm) |
| GPU | Adreno 512 | PowerVR GE8320 |
| Internal memory | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM | 32/64 GB, 2/3/4 GB RAM |
| External memory | microSDXC (uses shared SIM slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Type | IPS LCD | S-IPS LCD |
| Size | 7.2 inches, 128.3 cm2 | 6.2" inc |
| Resolution | 1080 x 2310 pixels | 720 x 1520 px |
| Protection | Corning Gorilla Glass 5 | 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 |
| Main Camera | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Camera | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
TOF 3D, (depth) | |
| Features | Dual-LED flash, HDR, panorama | |
| Video | 4K@30fps, 720p/1080p@30fps (gyro-EIS) | |
| Selfie camera | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Camera | 8 MP, f/2.0, 1/4", 1.12µm | |
| Features | HDR | |
| Video | 1080p@30fps | |
| Connectivity | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | 1, 3, 4, 5, 7, 8, 20, 34, 38, 39, 40, 41 | LTE |
| Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| CDMA | CDMA 800 & TD-SCDMA | |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Infrared port | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| NFC | No | |
| USB | USB Type-C | microUSB 2.0, USB On-The-Go |
| Technology | GSM / CDMA / HSPA / EVDO / LTE | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| Camera | Xiaomi Mi Max 4 | 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 Mi Max 4 | Oppo A5s (AX5s) |
| Loudspeaker | Yes, with stereo speakers | |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Body build | Glass front (Gorilla Glass 5), aluminum back, aluminum frame | |
| Colors | Black, Champagne Gold, Blue | Red, Black, Gold, Green |
| Dimensions | - | 155.9 x 75.4 x 8.2 mm |
| Weight | - | 170 g |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Battery | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Type | Li-Po 5800 mAh, non-removable | |
| Charging | Fast charging 18W | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Features | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Other | Xiaomi Mi Max 4 | Oppo A5s (AX5s) |
| Release date | | 2019, March |
| Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |
