Compare phones
| Global Score | |
| 76.6 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 11 |
| 2020-05-20 | 2021-05-27 |
| 6.39 x 3.04 x 0.35 inches | 6.23 x 2.96 x 0.33 inches |
| 7.02 ounces | 6.70 ounces |
| Forest green, Midnight gray and Polar white | Moonlight White, Neptune Blue and Space Black, |
| Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 396 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| MediaTek Helio G85 chipset | MediaTek Helio G85 MT6769Z chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali G52 MC2 GPU | Mali G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 10.02 | 10.02 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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 general score of 76.7, which is slightly better than the Xiaomi Redmi Note 9's score of 76.6. These phones come with Android operating system, but Xiaomi Redmi Note 8 2021 has newer 11 version and Xiaomi Redmi Note 9 has Android 10 version, so it provides you lots of additional features. The Xiaomi Redmi Note 8 2021 body is newer, a bit lighter and just a little thinner than Xiaomi Redmi Note 9.
The Xiaomi Redmi Note 8 2021 has a bit sharper display than Xiaomi Redmi Note 9, because although it has a bit smaller display, and they both have the same exact resolution of 1080 x 2340, the Xiaomi Redmi Note 8 2021 also counts with a just a little more pixels per inch in the display. The Xiaomi Redmi Note 8 2021 and Xiaomi Redmi Note 9 both have very similar memory for applications and games, both of them have a SD memory slot that holds a maximum of 128 GB and equal 64 GB internal memory capacity.
The Xiaomi Redmi Note 8 2021's processing unit is just as good as the Xiaomi Redmi Note 9 one, and although the Xiaomi Redmi Note 8 2021 has a higher amount of RAM, they both have a Octa-Core processing unit. The Xiaomi Redmi Note 9 and the Xiaomi Redmi Note 8 2021 count with very similar cameras, both have a 48 MP resolution back facing camera, the same 30 frames per second video frame rates, the same 1920x1080 video definition, the same aperture and a same size sensor.
Xiaomi Redmi Note 9 counts with better battery life than Xiaomi Redmi Note 8 2021, because it has a 5020mAh battery capacity against 4000mAh.
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