Compare phones
| Global Score | |
| 74.3 | 94.6 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2020-09-18 |
| 6.50 x 3.02 x 0.33 inches | 6.27 x 5.05 x 0.27 inches |
| 6.77 ounces | 9.95 ounces |
| Blue, Pink and Titanium | Mystic black and Mystic bronze |
| -- | Aluminum and Glass |
| $ 190.00 | $ 1930.00 |
| Display / Screen | |
| 6.5 inches | 7.6 inches |
| 1600 x 720 pixels | 2208 x 1768 pixels |
| IPS LCD | Dynamic AMOLED |
| 270 pixels per inch | 372 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 865+ SM8250-AB chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3100 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| PowerVR GE8320 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| 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 | 12.00 MP + 10.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") 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 | 10.45 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy Z Fold 2 has a general score of 94.6, which is way better than LG K51S's 74.3 general score. Galaxy Z Fold 2's design is somewhat thinner but notably heavier than LG K51S, and both of them were released with only 5 months difference. These phones use Android OS, but Galaxy Z Fold 2 has newer 11 version and LG K51S has Android 10 version, so it gives you lots of additional features and improved performance.
The Galaxy Z Fold 2 counts with a little better performance than LG K51S, and although they both have a Octa-Core processor, the Galaxy Z Fold 2 also has more RAM. Samsung Galaxy Z Fold 2 has a sharper screen than LG K51S, because it has a way better 1768 x 2208 resolution, a bigger screen and a higher amount of pixels per inch of screen.
The LG K51S features a quite bigger memory capacity to install games and applications than Galaxy Z Fold 2, because although it has less internal storage, it also counts with an external memory slot that supports a maximum of 2 TB. Samsung Galaxy Z Fold 2 has a bit superior battery performance than LG K51S, because it has a 4500mAh battery capacity.
The Samsung Galaxy Z Fold 2 shoots much clearer pictures and videos than LG K51S, because although it has a lot less mega pixels resolution camera in the back, it also counts with a way better 3840x2160 (4K) video definition.
Although Samsung Galaxy Z Fold 2 is a better device, it costs a lot more than LG K51S, and it doesn't have such a good quality/price relation as LG K51S. So if you need that extra specs and features, you can buy the Samsung Galaxy Z Fold 2, otherwise you can save a couple dollars and buy the LG K51S, resigning some specifications.
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