Compare phones
| Global Score | |
| 73.5 | 76.7 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 14 | Android 11 |
| 2024-01-08 | 2021-05-27 |
| 6.47 x 3.00 x 0.37 inches | 6.23 x 2.96 x 0.33 inches |
| 7.80 ounces | 6.70 ounces |
| Black, Dark Blue and Light Brown | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass (Corning Gorilla Glass) | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3168 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 512 pixels per inch | 409 pixels per inch |
| 4500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | MediaTek Helio G85 MT6769Z chipset |
| processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 750 GPU | Mali G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 13.3 | 10.02 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | -- |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.1 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 10.6 | 6.6 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | 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 has a global score of 76.7, which is just a bit better than the OPPO Find X7 Ultra's overall score of 73.5. These phones include Android OS (Operating System), but the Xiaomi Redmi Note 8 2021 has the older 11 version while OPPO Find X7 Ultra has Android 14. Xiaomi Redmi Note 8 2021's construction is somewhat lighter and somewhat thinner than the OPPO Find X7 Ultra, even though it was released many years before.
The OPPO Find X7 Ultra has a much more vibrant screen than Xiaomi Redmi Note 8 2021, because it has a little larger display, a better 1440 x 3168 resolution and a higher pixel count in each screen inch. Xiaomi Redmi Note 8 2021 has a much greater processing power than OPPO Find X7 Ultra, because although it has 8 GB less RAM, it also counts with a larger number of cores (and faster).
The OPPO Find X7 Ultra counts with a much better memory for applications and games than Xiaomi Redmi Note 8 2021, because although it has no slot for SD memory cards, it also counts with 192 GB more internal memory capacity. OPPO Find X7 Ultra features a much better camera than Xiaomi Redmi Note 8 2021, and although they both have a same size camera aperture, the OPPO Find X7 Ultra also has a lot larger back camera sensor, a lot higher 3840x2160 (4K) video definition and a back camera with more MP.
The OPPO Find X7 Ultra has superior battery life than Xiaomi Redmi Note 8 2021, because it has a 5000mAh battery capacity instead of 4000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.