Compare phones
| Global Score | |
| 74.3 | 84.3 |
| Basic Information | |
| LG | Xiaomi |
| Android 10 | Android 14 |
| 2020-04-27 | 2024-07-19 |
| 6.50 x 3.02 x 0.33 inches | 6.28 x 5.64 x 0.18 inches |
| 6.77 ounces | 7.97 ounces |
| Blue, Pink and Titanium | Black, Blue and White |
| -- | Aluminum and Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 8 inches |
| 1600 x 720 pixels | 2488 x 2224 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 10 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 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 750 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 + 16.00 MP |
| -- | f/1.70 aperture |
| -- | 23.00mm focal length |
| -- | 0.67 inches (1/1.49") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 8.91 | 12.54 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Battery | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.88 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi Mix Fold 4 is better than LG K51S, having a general score of 84.3 against 74.3. Both phones in this review work with Android OS (operating system), but Xiaomi Mi Mix Fold 4 has a newer 14 version while LG K51S has Android 10 version, so it gives lots of additional features and some performance improvements. Xiaomi Mi Mix Fold 4's construction is newer and thinner than LG K51S's, but it is also heavier.
The Xiaomi Mi Mix Fold 4 counts with a much sharper display than LG K51S, because it has a larger screen, a lot higher pixels density and a way better 2224 x 2488 resolution. The LG K51S features a really superior hardware performance than Xiaomi Mi Mix Fold 4, although it has less RAM, they both have the same number of cores.
LG K51S features more memory capacity for applications, games, photos and videos than Xiaomi Mi Mix Fold 4, because although it has only 64 GB internal memory capacity, it also counts with an external memory slot that supports up to 2 TB. Xiaomi Mi Mix Fold 4 has greater battery performance than LG K51S, because it has a 28% greater battery size.
Xiaomi Mi Mix Fold 4 shoots a lot better photographs and videos than LG K51S, because it has a back camera with much more mega pixels and a much higher 7680x4320 video resolution.
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