Compare phones
| Global Score | |
| 87.1 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11 |
| 2018-08-24 | 2021-05-27 |
| 6.37 x 3.01 x 0.35 inches | 6.23 x 2.96 x 0.33 inches |
| 7.09 ounces | 6.70 ounces |
| Cloud silver, Lavender purple, Midnight black and Ocean blue | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 457.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2960 x 1440 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 514 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.14 | 10.02 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.39 inches (1/2.55") 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 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.23 | 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 | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy Note9 has a score of 87.1, which is much better than Xiaomi Redmi Note 8 2021's overall score of 76.7. Galaxy Note9's body is extremely older, just a little thicker and a little heavier than the Xiaomi Redmi Note 8 2021. Galaxy Note9 counts with a bit more vivid display than Xiaomi Redmi Note 8 2021, because it has a little bit bigger display, a better resolution of 1440 x 2960px and a higher screen density.
Galaxy Note9 features much more memory capacity for apps and games than Xiaomi Redmi Note 8 2021, because it has 64 GB more internal storage and an external memory slot that admits up to 512 GB. Samsung Galaxy Note9 features a bit more powerful processing unit than Xiaomi Redmi Note 8 2021, and although they both have a Octa-Core processing unit, the Samsung Galaxy Note9 also has a greater amount of RAM memory.
The Samsung Galaxy Note9 and the Xiaomi Redmi Note 8 2021 feature very similar batteries duration. Xiaomi Redmi Note 8 2021 captures clearer photos and videos than Samsung Galaxy Note9, because although it has slower video frame rates and a smaller aperture, and they both have the same 1920x1080 video quality, the Xiaomi Redmi Note 8 2021 also counts with a way bigger back-facing camera sensor capturing much higher quality photos and videos and a camera with a much higher 48 MP resolution.
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