Compare phones
| Global Score | |
| 72.9 | 76.6 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 10 |
| -- | 2020-05-20 |
| -- | 6.39 x 3.04 x 0.35 inches |
| -- | 7.02 ounces |
| -- | Forest green, Midnight gray and Polar white |
| -- | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 418 pixels per inch | 396 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 8 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | MediaTek Helio G85 chipset |
| processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 730 GPU | Mali G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 50.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 8.47 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | 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
Xiaomi Redmi Note 9 is just a bit better than Xiaomi 12S, getting a global score of 76.6 against 72.9. Both phones we compare here use Android operating system, but Xiaomi Redmi Note 9 has an older 10 version while Xiaomi 12S has Android 12. The Xiaomi Redmi Note 9 features a much powerful processing unit than Xiaomi 12S, although it has less RAM, they both have the same number of cores.
The Xiaomi 12S counts with a more vivid display than Xiaomi Redmi Note 9, because although it has a little bit smaller screen, it also counts with a quite higher screen pixels density and a bit higher resolution of 1080 x 2400 pixels. The Xiaomi 12S features a little bit better memory to install games and applications than Xiaomi Redmi Note 9, because although it has no SD extension slot, it also counts with 64 GB more internal storage capacity.
The Xiaomi Redmi Note 9 features a bit better battery performance than Xiaomi 12S, because it has a 5020mAh battery capacity. Xiaomi Redmi Note 9 takes a lot better videos and photos than Xiaomi 12S, although it has a back facing camera with less mega-pixels resolution.
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