Compare phones

Global Score
Basic Information
Android 11Android 5.0
6.50 x 2.98 x 0.35 inches5.87 x 2.96 x 0.37 inches
8.04 ounces5.36 ounces
Phantom black and SilverGray and Red
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 185.00
Display / Screen
6.8 inches5.5 inches
3200 x 1440 pixels 1080 x 1920 pixels (Full HD)
516 pixels per inch401 pixels per inch
1500 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 810 MSM8994 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor
12 GB RAM3 GB (800 MHz) RAM
Adreno 660 GPUAdreno 430 (600 MHz) GPU
128 GB internal memory32 GB internal memory
No SD card slotmicroSD, microSDHC, microSDXC (up to 128 GB) external memory slot
108.00 MP + 40.00 MP13.00 MP + 2.10 MP
f/1.80 aperture--
24.00mm focal length--
0.75 inches (1/1.33") 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 Hotspot--
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA+ (4G), HSDPA, UMTS, EDGE and GPRS
Nano SIM--
Battery Life
5000mAh Li - Polymer Battery3000mAh Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.1 Bluetooth 4.1
Fingerprint ID Scanner--
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Samsung Galaxy S21 Ultra is way better than the LG G Flex 2, having a 11.67 score against 9.46. Both devices in our current comparison come with Android operating system, but Samsung Galaxy S21 Ultra has a newer 11 version while LG G Flex 2 has Android 5.0, counting with some additional features. The Samsung Galaxy S21 Ultra construction is incredibly newer and a bit thinner than the LG G Flex 2's, although it's also heavier.

LG G Flex 2 has just a little better performance than Samsung Galaxy S21 Ultra, because although it has a smaller amount of RAM memory, and they both have a Octa-Core processing unit, the LG G Flex 2 also counts with a 64-bit processing unit and an extra graphics co-processor. Samsung Galaxy S21 Ultra has a slightly better looking screen than LG G Flex 2, because it has a higher screen density, a larger screen and a much higher resolution of 1440 x 3200px.

Galaxy S21 Ultra shoots much better pictures and videos than LG G Flex 2, because it has a way better 7680x4320 video definition and a much more megapixels camera. The Samsung Galaxy S21 Ultra features a much better storage capacity to install applications and games or saving photos and videos than LG G Flex 2, because although it has no slot for an SD memory card, it also counts with 96 GB more internal memory.

The Galaxy S21 Ultra features a superior battery performance than LG G Flex 2, because it has a 5000mAh battery capacity.

Although Galaxy S21 Ultra is a better device, it is way more expensive than the LG G Flex 2, and it doesn't have such a good price and quality relation as LG G Flex 2. If you prefer to save some money, you can get LG G Flex 2, and give up a few specs and features, but you will get the most out of your budget.