Compare phones
| Global Score | |
| 74.3 | 83.3 |
| Basic Information | |
| LG | Samsung |
| Android 10 | -- |
| 2020-04-27 | 2018-03-16 |
| 6.50 x 3.02 x 0.33 inches | 5.81 x 2.70 x 0.33 inches |
| 6.77 ounces | 5.75 ounces |
| Blue, Pink and Titanium | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 158.00 |
| Display / Screen | |
| 6.5 inches | 5.8 inches |
| 1600 x 720 pixels | 2960 x 1440 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 568 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.9 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 14.74 | 11.34 |
| Camera | |
| 32.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| -- | f/1.50 aperture |
| -- | 0.39 inches (1/2.55") 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 | 10.23 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 4.96 |
| 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 |
| -- | FM Radio |
Comparison review
Samsung Galaxy S9 is better than LG K51S, getting an 83.3 score against 74.3. Samsung Galaxy S9 is a somewhat lighter cellphone than LG K51S, but both of them have the same thickness. Galaxy S9 features just a bit better processing power than LG K51S, and although they both have a Octa-Core processor, the Galaxy S9 also has a greater amount of RAM.
The Galaxy S9 features a way better looking screen than LG K51S, because although it has a quite smaller display, it also counts with a much higher pixel quantity per inch in the display and a lot better resolution of 1440 x 2960. LG K51S counts with a much better storage for games and applications than Galaxy S9, and although they both have the same 64 GB internal memory capacity, the LG K51S also has a slot for an external memory card that allows a maximum of 2 TB.
The LG K51S features longer battery duration than Samsung Galaxy S9, because it has a 4000mAh battery capacity instead of 3000mAh. Galaxy S9 captures much clearer videos and photos than LG K51S, because although it has a camera in the back with way less mega-pixels resolution, it also counts with a way better (4K) video definition.
Even being the best phone of the ones in this comparison, the Samsung Galaxy S9 is also a lot cheaper.
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