Compare phones

Global Score
Basic Information
Android 11, 10Android 10
6.49 x 3.04 x 0.32 inches6.57 x 3.07 x 0.33 inches
7.34 ounces7.17 ounces
Mystic black, Mystic bronze and Mystic whiteTitan gray
Glass (Corning Gorilla Glass Victus) and Stainless steel --
Scratch-Resistant Glass--
$ 1054.00$ 174.00
Display / Screen
6.9 inches6.5 inches
3088 x 1440 pixels 1560 x 720 pixels
494 pixels per inch264 pixels per inch
No touch screenNo touch screen
Qualcomm Snapdragon 865+ SM8250-AB chipsetMediaTek Helio P22 MT6762 chipset
Kryo 585, 64-bit, 7 nm (Octa-Core 3000 MHz) processorArm Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor
Adreno 650 GPUIMG PowerVR GE8320 GPU
128 GB internal memory32 GB internal memory
microSDXC (up to 1000 GB) external memory slotmicroSDXC (up to 1,95 TB) external memory slot
108.00 MP + 10.00 MP13.00 MP + 13.00 MP
f/1.80 aperturef/1.80 aperture
26.00mm focal length--
0.75 inches (1/1.33") sensor0.33 inches (1/3") sensor
7680 x 4320 (24 fps) video resolution1920 x 1080 (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
Battery Life
4500mAh Li - Polymer Battery4000mAh Li - Ion 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 RadioFM Radio

Comparison review

The Samsung Galaxy Note 20 Ultra is way better than LG K51, with a global score of 11.76 against 8.91. These phones include Android operating system, but the Samsung Galaxy Note 20 Ultra has the newer 11 version while LG K51 has Android 10 version. Although the Samsung Galaxy Note 20 Ultra and LG K51 were released only a couple months apart, Samsung Galaxy Note 20 Ultra's body is just a bit thinner but a little heavier.

The Galaxy Note 20 Ultra features just a little better performance than LG K51, and although they both have 8 cores, the Galaxy Note 20 Ultra also has 9 GB more RAM memory. Galaxy Note 20 Ultra has a much more vibrant display than LG K51, because it has a little bigger display, a much higher resolution of 1440 x 3088px and a much better quantity of pixels per inch of display.

The Galaxy Note 20 Ultra features a very superior memory for games and applications than LG K51, because although it has a SD memory slot that holds up to 1000 GB against 1,95 TB, it also counts with 128 GB internal storage. The LG K51 counts with a little better battery life than Samsung Galaxy Note 20 Ultra, although it has 4000mAh of battery capacity.

Samsung Galaxy Note 20 Ultra counts with a greater camera than LG K51, and although they both have a same size aperture, the Samsung Galaxy Note 20 Ultra also has a camera with a much higher 108 mega pixels resolution, a lot larger back-facing camera sensor shooting way higher quality videos and photos and a way higher 7680x4320 video definition.

Although Galaxy Note 20 Ultra is a better device, it costs a lot more than LG K51, and it doesn't have such a good price and quality relation as the LG K51. So if you need that extra features, you can buy Galaxy Note 20 Ultra, but if you don't you can save some dollars and buy the LG K51, letting go a couple specs and features.