Compare phones
| Global Score | |
| 81.1 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 11 |
| 2020-05-05 | 2021-05-27 |
| 6.53 x 3.02 x 0.35 inches | 6.23 x 2.96 x 0.33 inches |
| 7.37 ounces | 6.70 ounces |
| Glacier white, Interstellar gray and Tropical green | Moonlight White, Neptune Blue and Space Black, |
| Glass (Corning Gorilla Glass 5) and Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 291.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 393 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali G52 MC2 GPU |
| 9.36 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.74 | 10.02 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.1 | 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 9 Pro is just a bit better than Xiaomi Redmi Note 8 2021, with a overall score of 81.1 against 76.7. Both of these phones come with Android OS (Operating System), but Xiaomi Redmi Note 9 Pro has older 10 version while Xiaomi Redmi Note 8 2021 has Android 11 version. Xiaomi Redmi Note 9 Pro's body is older, a little bit heavier and just a little bit thicker than the Xiaomi Redmi Note 8 2021.
The Xiaomi Redmi Note 8 2021 features a bit sharper screen than Xiaomi Redmi Note 9 Pro, because although it has a little smaller screen and a little lower resolution of 1080 x 2340 pixels, it also counts with a just a little more pixels per inch of screen. The Xiaomi Redmi Note 9 Pro features a bit faster processor than Xiaomi Redmi Note 8 2021, and although they both have 8 CPU cores, the Xiaomi Redmi Note 9 Pro also has 2 GB more RAM memory.
The Xiaomi Redmi Note 9 Pro features a greater storage capacity for applications and games than Xiaomi Redmi Note 8 2021, and although they both have the same internal memory capacity, the Xiaomi Redmi Note 9 Pro also has a slot for external memory cards that holds a maximum of 512 GB. Xiaomi Redmi Note 9 Pro has better battery duration than Xiaomi Redmi Note 8 2021, because it has a 5020mAh battery capacity against 4000mAh.
The Xiaomi Redmi Note 9 Pro shoots better videos and photos than Xiaomi Redmi Note 8 2021, because although it has a tinier aperture which is not favorable for low light photos and video, it also counts with a lot more mega-pixels back camera, a larger sensor capturing higher quality videos and photos and a much higher 3840x2160 (4K) video resolution.
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