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Global Score
Basic Information
Android 11Android 9.0 Pie
6.50 x 2.98 x 0.35 inches5.86 x 2.83 x 0.31 inches
8.04 ounces5.75 ounces
Phantom black and SilverBlack and Silver
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminum and Glass (Corning Gorilla Glass 3)
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 163.00
Display / Screen
6.8 inches5.7 inches
3200 x 1440 pixels 2880 x 1440 pixels
516 pixels per inch565 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 821 MSM8996 Pro chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo, 64-bit, 14 nm (Quad-Core 2350 MHz) processor
Adreno 660 GPUAdreno 530 GPU
128 GB internal memory32 GB internal memory
No SD card slotmicroSDXC (up to 1,95 TB) external memory slot
108.00 MP + 40.00 MP13.00 MP + 5.00 MP
f/1.80 aperturef/1.80 aperture
24.00mm focal length29.00mm focal length
0.75 inches (1/1.33") sensor0.33 inches (1/3.06") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1920 x 1080 (60 fps) (Full HD) slow motion video
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA and HSUPA
Nano SIMNano SIM
Battery Life
5000mAh Li - Polymer Battery3300mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.1 Bluetooth 4.2
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

Galaxy S21 Ultra is way better than the LG G6, having a overall score of 11.67 against 9.51. These phones have Android OS (Operating System), but the Galaxy S21 Ultra has the older 11 version while LG G6 has Android 9.0 Pie. The Galaxy S21 Ultra construction is incredibly newer, but somewhat thicker and notably heavier than the LG G6.

The Galaxy S21 Ultra features a brighter display than LG G6, because although it has a bit lower pixel number in each inch in the display, it also counts with a slightly better 1440 x 3200 resolution and a larger display. The LG G6 features a much bigger storage to install applications and games than Galaxy S21 Ultra, because although it has 0 less internal storage, it also counts with a slot for an SD memory card that allows a maximum of 1,95 TB.

The Samsung Galaxy S21 Ultra counts with a bit faster processor than LG G6, because it has 8 GB more RAM memory and a higher number of cores (and also faster). The Samsung Galaxy S21 Ultra features a little longer battery lifetime than LG G6, because it has a 5000mAh battery size. The Galaxy S21 Ultra shoots a lot better photos and videos than LG G6, and although they both have the same aperture, the Galaxy S21 Ultra also has a lot better video resolution, a lot larger sensor providing a lot better image quality and a much higher resolution back-facing camera.

Although Galaxy S21 Ultra is a better device, it costs a lot more money than the LG G6, and it doesn't have such a good quality/price relation as the LG G6. So if you need that extra specs, you can buy Galaxy S21 Ultra, otherwise you can save some dollars and get the LG G6, resigning some features and specifications.