Compare phones
| Global Score | |
| 74.3 | 88.3 |
| Basic Information | |
| LG | Xiaomi |
| Android 10 | Android 11 |
| 2020-04-27 | 2021-05-06 |
| 6.50 x 3.02 x 0.33 inches | 6.45 x 3.01 x 0.41 inches |
| 6.77 ounces | 7.41 ounces |
| Blue, Pink and Titanium | Mirror Black and Pale Grey |
| -- | Metal and Plastic |
| $ 190.00 | $ 499.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | -- |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.1 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| PowerVR GE8320 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| 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 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.91 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 4 is much better than LG K51S, having an 88.3 score against 74.3. These phones work with Android OS (Operating System), but Xiaomi Black Shark 4 has a more recent 11 version while LG K51S has Android 10, so it provides a couple additional features and some performance improvements. Although the Xiaomi Black Shark 4 is newer than the LG K51S, it is a bit heavier and thicker.
Xiaomi Black Shark 4 features a bit better processing power than LG K51S, and although they both have a Octa-Core processing unit, the Xiaomi Black Shark 4 also has more RAM. Xiaomi Black Shark 4 features a much more vibrant screen than LG K51S, because it has a better display density, a little bit larger display and a much better resolution of 1080 x 2400px.
Xiaomi Black Shark 4 captures way better photos and videos than LG K51S, because it has a back facing camera with way more mega pixels and a much higher video quality. LG K51S counts with much more storage to store more apps and games than Xiaomi Black Shark 4, because although it has just 64 GB internal storage, it also counts with a slot for external memory cards that supports up to 2 TB.
The Xiaomi Black Shark 4 features a bit better battery duration than LG K51S, because it has a 13 percent bigger battery capacity.
Xiaomi Black Shark 4 is a lot more expensive than the LG K51S, but it's still a great choice, as you can get a lot more for that extra money.
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