Compare phones
| Global Score | |
| 83.3 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11 |
| 2018-03-16 | 2021-05-27 |
| 5.81 x 2.70 x 0.33 inches | 6.23 x 2.96 x 0.33 inches |
| 5.75 ounces | 6.70 ounces |
| Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 158.00 | -- |
| Display / Screen | |
| 5.8 inches | 6.3 inches |
| 2960 x 1440 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 568 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 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 |
| 4 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali G52 MC2 GPU |
| 9.54 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.34 | 10.02 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.50 aperture | f/1.80 aperture |
| 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 | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 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 |
| FM Radio | -- |
Comparison review
The Samsung Galaxy S9 is just a bit better than Xiaomi Redmi Note 8 2021, having a global score of 83.3 against 76.7. The Samsung Galaxy S9 is a lighter cellphone than the Xiaomi Redmi Note 8 2021, but both of them are 0.33inches thick. The Galaxy S9 features a bit better looking screen than Xiaomi Redmi Note 8 2021, because although it has a bit smaller display, it also counts with more pixels per display inch and a better resolution of 1440 x 2960px.
Galaxy S9 features a greater memory to store more games and applications than Xiaomi Redmi Note 8 2021, and although they both have the same 64 GB internal storage capacity, the Galaxy S9 also has a slot for external memory cards that admits up to 400 GB. Galaxy S9 counts with a bit more powerful processor than Xiaomi Redmi Note 8 2021. Both have the same number of cores and the same RAM memory amount.
The Xiaomi Redmi Note 8 2021 has improved battery performance than Samsung Galaxy S9, because it has a 33% more battery capacity. Xiaomi Redmi Note 8 2021 features a bit better camera than Galaxy S9, because although it has slower 30 frames per second video frame rates and a tinier camera aperture which is not good for capturing images or videos in low-light situations, and they both have the same (Full HD) video definition, the Xiaomi Redmi Note 8 2021 also counts with a much larger back camera sensor taking way higher quality pictures and a lot higher 48 mega pixels resolution camera.
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