Compare phones
| Global Score | |
| 74.3 | 80.6 |
| Basic Information | |
| LG | Xiaomi |
| Android 10 | Android 14 |
| 2020-04-27 | 2024-10-29 |
| 6.50 x 3.02 x 0.33 inches | 6.00 x 2.80 x 0.32 inches |
| 6.77 ounces | 6.67 ounces |
| Blue, Pink and Titanium | -- |
| -- | Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2670 x 1200 pixels |
| IPS LCD | OLED |
| 270 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 10.2 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | processor |
| 3 GB RAM | 12 GB RAM |
| PowerVR GE8320 GPU | Adreno 830 GPU |
| 9.27 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 14.74 | 13.3 |
| Camera | |
| 32.00 MP + 13.00 MP | 50.00 MP + 32.00 MP |
| -- | f/1.60 aperture |
| -- | 23.00mm focal length |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) 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 | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 4000mAh Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 7.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Comparison review
The Xiaomi 15 has a score of 80.6, which is just a bit better than the LG K51S's global score of 74.3. Both phones we compare here come with Android operating system, but Xiaomi 15 has 14 version and LG K51S has Android 10, providing a couple additional features. The Xiaomi 15 is a way newer cellphone, and it's also just a bit thinner and just a little bit lighter than the LG K51S.
LG K51S has a very superior processing unit than Xiaomi 15, although it has a lower amount of RAM memory, they both have the same number of cores. Xiaomi 15 features a much better display than LG K51S, because although it has a little bit smaller screen, it also counts with a lot better resolution of 1200 x 2670 pixels and a lot more pixels per display inch.
LG K51S counts with a bigger memory capacity to install applications and games than Xiaomi 15, because although it has just 64 GB internal storage, it also counts with a slot for an external memory card that supports a maximum of 2 TB. The Xiaomi 15 captures much better videos and photos than LG K51S, because it has a way higher 7680x4320 video quality and a much more MP camera in the back.
Xiaomi 15 counts with a really longer battery duration than LG K51S, because it has a 5400mAh battery size.
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