Compare phones
| Global Score | |
| 74.3 | 83.2 |
| Basic Information | |
| LG | Xiaomi |
| Android 10 | -- |
| 2020-04-27 | 2019-03-06 |
| 6.50 x 3.02 x 0.33 inches | 6.20 x 2.94 x 0.30 inches |
| 6.77 ounces | 6.10 ounces |
| Blue, Pink and Titanium | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.6 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 14.74 | 10.1 |
| Camera | |
| 32.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| -- | 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 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 8.91 | 12.1 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.28 |
| 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 |
Comparison review
Xiaomi Mi 9 has a score of 83.2, which is much better than the LG K51S's score of 74.3. Xiaomi Mi 9 is an older device than the LG K51S, but Xiaomi made it a little bit thinner and a bit lighter anyway. Xiaomi Mi 9 has a much better looking display than LG K51S, because although it has a little smaller display, it also counts with a much higher resolution of 1080 x 2340 pixels and a greater pixels amount per inch in the display.
The LG K51S has a very superior memory to install applications and games or saving photos and videos than Xiaomi Mi 9, because although it has 0 less internal memory, it also counts with a SD extension slot that admits up to 2 TB. The Xiaomi Mi 9 counts with just a bit better performance than LG K51S, and although they both have the same number of cores, the Xiaomi Mi 9 also has a higher amount of RAM memory.
The LG K51S has improved battery duration than Xiaomi Mi 9, because it has a 21 percent more battery size. Xiaomi Mi 9 features a very superior camera than LG K51S, because it has a lot higher video definition and a way more mega pixels camera in the back.
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