Compare phones
| Global Score | |
| 76.7 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 11 | Android 11 |
| 2021-05-27 | 2021-04-02 |
| 6.23 x 2.96 x 0.33 inches | 6.30 x 2.92 x 0.34 inches |
| 6.70 ounces | 6.77 ounces |
| Moonlight White, Neptune Blue and Space Black, | Arctic Sky, Astral Black and Winter Mist |
| Glass and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 409 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 888 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 23.00mm focal length |
| 0.5 inches (1/2") sensor | 0.71 inches (1/1.4") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 8 2021 is a bit better than the OnePlus 9, having a 76.7 score against 76. Both phones in this comparison review have the same Android 11 OS, so you shouldn't see any differences in that aspect. Xiaomi Redmi Note 8 2021's construction is a little bit thinner and just a little lighter than the OnePlus 9, even when both were released only a few months apart.
The OnePlus 9 counts with a bit faster CPU than Xiaomi Redmi Note 8 2021, and although they both have 8 CPU cores, the OnePlus 9 also has more RAM memory. OnePlus 9 features a little bit better screen than Xiaomi Redmi Note 8 2021, because although it has a quite worse pixels density, it also counts with a slightly better 1080 x 2400px resolution and a quite bigger screen.
OnePlus 9 features a bit more memory to store more games and applications than Xiaomi Redmi Note 8 2021, because although it has no SD memory slot, it also counts with 128 GB internal memory capacity. The OnePlus 9 counts with a bit superior battery life than Xiaomi Redmi Note 8 2021, because it has a 13% more battery capacity.
OnePlus 9 takes better photos and videos than Xiaomi Redmi Note 8 2021, and although they both have the same diafragm aperture and a 48 MP resolution camera in the back, the OnePlus 9 also has a lot bigger camera sensor taking more light and vivid colors and a much better video resolution.
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