Compare phones
| Global Score | |
| 11.67 | 8.95 |
| Basic Information | |
| Samsung | LG |
| Android 11 | Android 9.0 Pie |
| 2021-01-29 | 2019-09-20 |
| 6.50 x 2.98 x 0.35 inches | 6.15 x 2.91 x 0.34 inches |
| 8.04 ounces | -- |
| Phantom black and Silver | Aurora black and Moroccan blue |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.1 inches |
| 3200 x 1440 pixels | 1560 x 720 pixels |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 282 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Mediatek Helio P22 MT6762 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 660 GPU | IMG PowerVR GE8320 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.1 | 12.76 |
| Camera | |
| 108.00 MP + 40.00 MP | 13.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.56 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 Ultra has a score of 11.67, which is a lot better than LG K40S's global score of 8.95. Both phones in our current comparison include Android OS (operating system), but Galaxy S21 Ultra has 11 version and LG K40S has Android 9.0 Pie. Samsung Galaxy S21 Ultra counts with a bit better hardware performance than LG K40S, and although they both have a Octa-Core processing unit, the Samsung Galaxy S21 Ultra also has a larger amount of RAM memory.
Galaxy S21 Ultra has a way better screen than LG K40S, because it has a bit bigger display, a way better resolution of 1440 x 3200px and a lot greater screen density. The Samsung Galaxy S21 Ultra shoots much better photographs and videos than LG K40S, because it has a larger aperture, a back camera with much more mega-pixels and a way better 7680x4320 video resolution.
The LG K40S features a much bigger storage capacity to store more apps and games than Samsung Galaxy S21 Ultra, because although it has 0 less internal memory, it also counts with a slot for an external memory card that supports up to 1,95 TB. Samsung Galaxy S21 Ultra features a bit superior battery duration than LG K40S, because it has a 5000mAh battery size.