Compare phones
| Global Score | |
| 74.1 | 81.4 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 9.0 Pie |
| 2017-01-23 | 2019-04-15 |
| 5.94 x 2.99 x 0.33 inches | 5.81 x 2.78 x 0.29 inches |
| 5.82 ounces | 5.47 ounces |
| 16 777 216 | 16 777 216 |
| Aluminum | -- |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 430 pixels per inch |
| 450 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 616 GPU |
| 9.09 | 9.36 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.3 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.04 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi 9 SE is slightly better than the Xiaomi Redmi Note 4, getting an 81.4 score against 74.1. Both phones we are comparing have Android OS, but Xiaomi Mi 9 SE has a newer 9.0 Pie version and Xiaomi Redmi Note 4 has Android 7.0 Nougat version, giving some extra features. The Xiaomi Mi 9 SE design is noticeably newer, just a little lighter and thinner than Xiaomi Redmi Note 4.
The Xiaomi Mi 9 SE counts with a bit superior CPU than Xiaomi Redmi Note 4, and although they both have a Octa-Core CPU, the Xiaomi Mi 9 SE also has more RAM memory. Xiaomi Mi 9 SE counts with a bit better screen than Xiaomi Redmi Note 4, because it has a little bigger display, a little more pixels per display inch, a quite better 1080 x 2340 resolution and more brightness.
Xiaomi Mi 9 SE has a very superior camera than Xiaomi Redmi Note 4, because it has a lot more mega-pixels camera, a much higher 3840x2160 video definition and a larger camera aperture. The Xiaomi Mi 9 SE features a bit bigger storage capacity for apps and games than Xiaomi Redmi Note 4, because although it has no slot for an external memory card, it also counts with 128 GB internal storage.
The Xiaomi Redmi Note 4 features improved battery duration than Xiaomi Mi 9 SE, because it has a 4100mAh battery size instead of 3070mAh.
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