Compare phones
| Global Score | |
| 76.7 | 87.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | -- |
| 2021-05-27 | 2018-08-24 |
| 6.23 x 2.96 x 0.33 inches | 6.37 x 3.01 x 0.35 inches |
| 6.70 ounces | 7.09 ounces |
| Moonlight White, Neptune Blue and Space Black, | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Glass and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 457.00 |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2340 x 1080 pixels | 2960 x 1440 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali G52 MC2 GPU | Adreno 630 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.50 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy Note9 is better than the Xiaomi Redmi Note 8 2021, getting a score of 87.1 against 76.7. The Samsung Galaxy Note9 construction is older, just a little bit thicker and just a bit heavier than Xiaomi Redmi Note 8 2021. The Galaxy Note9 counts with a little bit better hardware performance than Xiaomi Redmi Note 8 2021, and although they both have a Octa-Core processing unit, the Galaxy Note9 also has 2 GB more RAM memory.
The Galaxy Note9 has a little sharper screen than Xiaomi Redmi Note 8 2021, because it has a higher pixel density, a better resolution of 1440 x 2960 pixels and a quite bigger display. Samsung Galaxy Note9 features a very superior memory for applications and games than Xiaomi Redmi Note 8 2021, because it has a SD memory slot that admits a maximum of 512 GB and 128 GB internal storage.
Xiaomi Redmi Note 8 2021 features a little bit better camera than Galaxy Note9, because although it has worse video frame rate and a tinier diafragm aperture which is worse for low-light images and videos, and they both have the same 1920x1080 (Full HD) video definition, the Xiaomi Redmi Note 8 2021 also counts with a much larger sensor shooting lot higher quality videos and photographs and a back facing camera with a lot higher 48 mega pixels resolution.
The Galaxy Note9 counts with a battery life that is very similar to Xiaomi Redmi Note 8 2021's battery performance.
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