| Global Score | |
| 74.3 | 85.7 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 5.0 |
| 2020-04-27 | 2015-04-10 |
| 6.50 x 3.02 x 0.33 inches | 5.59 x 2.76 x 0.28 inches |
| 6.77 ounces | 4.66 ounces |
| Blue, Pink and Titanium | Black, Gold, Green and White |
| -- | Aluminium and Glass |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 950.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 1600 x 720 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.3 | 9.9 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Exynos 7 Octa 7420 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 3 GB RAM | 3 GB (1600 MHz) RAM |
| PowerVR GE8320 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.27 | 10.08 |
| 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 | 16.00 MP + 5.00 MP |
| -- | f/1.90 aperture |
| -- | 28.00mm focal length |
| -- | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 8.91 | 8.47 |
| 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, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 2600mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| 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 |
Samsung Galaxy S6 Edge has an overall score of 85.7, which is much better than LG K51S's 74.3 score. Both devices in this comparison review use Android OS, but Samsung Galaxy S6 Edge has 5.0 version and LG K51S has Android 10. Despite of the fact that the Samsung Galaxy S6 Edge is notably older than the LG K51S, it's body is incredibly lighter and thinner.
The Samsung Galaxy S6 Edge has a much sharper display than LG K51S, because although it has a really smaller display, it also counts with a way better pixel quantity per inch in the screen and a much higher resolution of 2560 x 1440. The Galaxy S6 Edge has a little faster processing unit than LG K51S, and although they both have the same number of cores and the same RAM amount, the Galaxy S6 Edge also has a 64 bits processor and an additional graphics processing unit.
The LG K51S takes a little bit better videos and photos than Samsung Galaxy S6 Edge, and although they both have the same video frame rates and the same 1920x1080 (Full HD) video definition, the LG K51S also has a way higher resolution camera in the back. LG K51S features a way bigger memory capacity to install applications and games than Samsung Galaxy S6 Edge, because although it has less internal memory, it also counts with a SD memory slot that allows up to 2 TB.
The LG K51S has a much better battery performance than Galaxy S6 Edge, because it has 4000mAh of battery capacity.
Although Samsung Galaxy S6 Edge is a better device, it is way more expensive than the LG K51S, and it doesn't have such a good relation between it's price and quality as the LG K51S. If you prefer to save some dollars, you can buy the LG K51S, giving up a couple features and specs, but you will get the most with your budget.
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