Compare phones
| Global Score | |
| 75 | 81.4 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 9.0 Pie |
| 2017-09-12 | 2019-04-15 |
| 6.12 x 2.98 x 0.29 inches | 5.81 x 2.78 x 0.29 inches |
| 5.82 ounces | 5.47 ounces |
| Black, Gold and Pink | 16 777 216 |
| Metal | -- |
| -- | Scratch-Resistant Glass |
| 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, 14 nm (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 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) 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 |
| 9.35 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.3 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.04 |
| Other Features | |
| Bluetooth 4.2 | 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 |
| FM Radio | -- |
Comparison review
Xiaomi Mi 9 SE has a general score of 81.4, which is a little bit better than Xiaomi Mi A1's 75 global score. These phones use the same Android 9.0 Pie OS (operating system). Xiaomi Mi 9 SE is a a little lighter phone than Xiaomi Mi A1, but both are equally thin. The Xiaomi Mi 9 SE features a bit faster processing unit than Xiaomi Mi A1, and although they both have the same number of cores, the Xiaomi Mi 9 SE also has 2 GB more RAM.
The Xiaomi Mi 9 SE features a bit better display than Xiaomi Mi A1, because it has a just a bit more pixels per screen inch, a quite better resolution of 1080 x 2340, a little bigger display and a brighter screen. The Xiaomi Mi A1 counts with a little bit better memory to install applications and games or saving photos and videos than Xiaomi Mi 9 SE, because although it has 0 less internal memory, it also counts with an external SD slot that supports up to 256 GB.
Xiaomi Mi 9 SE captures greater photos and videos than Xiaomi Mi A1, and although they both have the same 30 fps video frame rates and the same 3840x2160 video definition, the Xiaomi Mi 9 SE also has a much better resolution back facing camera and a bigger camera aperture. The Xiaomi Mi 9 SE and Xiaomi Mi A1 both feature really similar battery performance, although the Xiaomi Mi 9 SE has a 0% lower battery capacity.
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