Compare phones
| Global Score | |
| 74.3 | 82.3 |
| Basic Information | |
| LG | Xiaomi |
| Android 10 | Android 10, 9.0 Pie |
| 2020-04-27 | 2019-03-28 |
| 6.50 x 3.02 x 0.33 inches | 6.44 x 2.95 x 0.35 inches |
| 6.77 ounces | 7.23 ounces |
| Blue, Pink and Titanium | Black and Silver |
| $ 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 |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| 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 | 8 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 |
| -- | 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 |
| 8.91 | 11.55 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Black Shark 2 is much better than LG K51S, getting a global score of 82.3 against 74.3. Both phones in this comparison review have the same Android 10 operating system, so both should count with the same operating system features. Despite being the best phone we compare here, it must be told that it's also an older, just a little bit thicker and a bit heavier phone.
Xiaomi Black Shark 2 features a brighter display than LG K51S, because although it has a little bit smaller display, it also counts with a much higher 1080 x 2340 resolution and a greater screen density. LG K51S has much more memory for apps and games than Xiaomi Black Shark 2, because although it has only 64 GB internal memory capacity, it also counts with an external SD slot that allows a maximum of 2 TB.
Xiaomi Black Shark 2 features a bit superior processing unit than LG K51S, and although they both have a Octa-Core processing unit, the Xiaomi Black Shark 2 also has a greater amount of RAM. Xiaomi Black Shark 2 shoots much clearer pictures and videos than LG K51S, because it has a lot better 48 mega-pixels resolution camera in the back and a much better (4K) video resolution.
Xiaomi Black Shark 2's battery life is just as good as LG K51S's battery lifetime.
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