Compare phones
| Global Score | |
| 90.8 | 81.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 9.0 Pie |
| 2020-04-29 | 2019-04-15 |
| 6.26 x 2.90 x 0.34 inches | 5.81 x 2.78 x 0.29 inches |
| 6.60 ounces | 5.47 ounces |
| Prism cube black | 16 777 216 |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 430 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 616 GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 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 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.04 |
| Other Features | |
| Bluetooth 5.0 | 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 |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A51 5G is much better than the Xiaomi Mi 9 SE, having a 90.8 score against 81.4. Both phones in our current comparison come with Android OS (Operating System), but Samsung Galaxy A51 5G has the older 11 version and Xiaomi Mi 9 SE has Android 9.0 Pie. The Samsung Galaxy A51 5G construction is newer than the Xiaomi Mi 9 SE's, but it's heavier and thicker.
Xiaomi Mi 9 SE has a bit more vivid screen than Galaxy A51 5G, because although it has a quite lower resolution of 1080 x 2340 pixels and a little bit smaller screen, it also counts with a just a little greater number of pixels per inch of display. The Galaxy A51 5G has much more memory capacity to install applications and games than Xiaomi Mi 9 SE, and although they both have exactly the same internal storage, the Galaxy A51 5G also has a slot for external memory cards that holds a maximum of 1000 GB.
The Xiaomi Mi 9 SE features just a bit better hardware performance than Samsung Galaxy A51 5G. Both of them have a Octa-Core CPU and the same RAM memory amount. Xiaomi Mi 9 SE shoots a bit better videos and photos than Samsung Galaxy A51 5G, and although they both have the same 3840x2160 video definition, the same back camera sensor size, the same 30 fps video frame rates and a same resolution back-facing camera, the Xiaomi Mi 9 SE also has a larger camera aperture to take better captures and video in poorly lited situations.
The Galaxy A51 5G has a way better battery life than Xiaomi Mi 9 SE, because it has a 4500mAh battery size.
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