| Xiaomi Redmi Note 8 2021 |
Oppo A5s (AX5s) |
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| Hardware and OS | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Operating system | Android 11, MIUI 12.5 | Android 8.1 (Oreo); ColorOS 5.2 |
| Processor | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset | MediaTek Helio G85 (12nm) | Mediatek MT6765 Helio P35 (12nm) |
| GPU | Mali-G52 MC2 | PowerVR GE8320 |
| Internal memory | 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM | 32/64 GB, 2/3/4 GB RAM |
| External memory | microSDXC (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Type | IPS LCD, 500 nits (typ) | S-IPS LCD |
| Size | 6.3 inches, 97.4 cm2 | 6.2" inc |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio | 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 Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Camera | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120?? (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30/120fps; gyro-EIS | |
| Selfie camera | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Camera | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm | |
| Features | HDR, panorama | |
| Video | 1080p@30fps | |
| Connectivity | Xiaomi Redmi Note 8 2021 | 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 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 | 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 | 5.2, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| Infrared port | Yes | |
| GPRS | Yes | |
| NFC | No | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| Technology | GSM / HSPA / LTE | |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | Xiaomi Redmi Note 8 2021 | 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 8 2021 | Oppo A5s (AX5s) |
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Body build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame | |
| Colors | Neptune Blue, Moonlight White, Space Black | Red, Black, Gold, Green |
| Dimensions | 158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in) | 155.9 x 75.4 x 8.2 mm |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Weight | 190 g (6.70 oz) | 170 g |
| Features | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Battery | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Type | Li-Po 4000 mAh, non-removable | |
| Charging | Fast charging 18W | |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Other | Xiaomi Redmi Note 8 2021 | Oppo A5s (AX5s) |
| Release date | 2019, March | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass |
