Compare phones

Global Score
Basic Information
Android 11, 10Android 10
6.57 x 2.99 x 0.35 inches6.50 x 3.02 x 0.33 inches
7.83 ounces6.77 ounces
Cosmic black and Cosmic greyBlue, Pink and Titanium
Aluminum and Glass (Corning Gorilla Glass 6)--
Scratch-Resistant Glass--
$ 1157.00$ 190.00
Display / Screen
6.9 inches6.5 inches
3200 x 1440 pixels 1600 x 720 pixels
509 pixels per inch270 pixels per inch
No touch screenNo touch screen
Qualcomm Snapdragon 865 SM8250 chipsetMediaTek Helio P35 MT6765 chipset
Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processorArm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor
Adreno 650 GPUPowerVR GE8320 GPU
128 GB internal memory64 GB internal memory
microSDXC (up to 1000 GB) external memory slotmicroSDXC (up to 2 TB) external memory slot
108.00 MP + 40.00 MP32.00 MP + 13.00 MP
f/1.80 aperture--
26.00mm focal length--
0.5 inches (1/2") sensor--
7680 x 4320 (24 fps) video resolution1920 x 1080 (30 fps) (Full HD) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
Battery Life
5000mAh Li - Polymer Battery4000mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.0 Bluetooth 5.0
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Galaxy S20 Ultra 5G has a general score of 11.65, which is much better than the LG K51S's global score of 9.31. These devices work with Android OS (operating system), but the Galaxy S20 Ultra 5G has the newer 11 version while LG K51S has Android 10 version. Although it's the best in this comparison review, the Galaxy S20 Ultra 5G is a somewhat heavier and just a bit thicker phone than the LG K51S.

Galaxy S20 Ultra 5G counts with a bit better performance than LG K51S, and although they both have 8 processing cores, the Galaxy S20 Ultra 5G also has 9 GB more RAM memory. Samsung Galaxy S20 Ultra 5G features a brighter screen than LG K51S, because it has a little bit bigger display, a lot better 1440 x 3200 resolution and a much better pixels number per inch of display.

Samsung Galaxy S20 Ultra 5G has a bit bigger storage to install applications and games than LG K51S, because although it has a SD memory slot that allows a maximum of 1000 GB against 2 TB, it also counts with 128 GB internal memory capacity. Samsung Galaxy S20 Ultra 5G counts with a very superior camera than LG K51S, because it has a lot better video definition and a much higher 108 mega-pixels resolution back camera.

The Galaxy S20 Ultra 5G features just a little bit longer battery performance than LG K51S, because it has 5000mAh of battery capacity instead of 4000mAh.

Although Samsung Galaxy S20 Ultra 5G is a better device, it costs a lot more money than the LG K51S, and it doesn't have such a good relation between it's price and quality as LG K51S. So if you need that extra features and specs, you can buy the Samsung Galaxy S20 Ultra 5G, but if you don't you can save some money and get the LG K51S, giving up some specs and features.