Compare phones
| Global Score | |
| 98.1 | 75.2 |
| Basic Information | |
| Samsung | LG |
| Android 11 | Android 5.0 |
| 2021-01-29 | 2015-01-05 |
| 6.50 x 2.98 x 0.35 inches | 5.87 x 2.96 x 0.37 inches |
| 8.04 ounces | 5.36 ounces |
| Phantom black and Silver | Gray and Red |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 185.00 |
| Display / Screen | |
| 6.8 inches | 5.5 inches |
| 3200 x 1440 pixels | 1080 x 1920 pixels (Full HD) |
| Dynamic AMOLED | P-OLED |
| 516 pixels per inch | 401 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 9.8 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor |
| 12 GB RAM | 3 GB (800 MHz) RAM |
| Adreno 660 GPU | Adreno 430 (600 MHz) GPU |
| 9.72 | 9.99 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 10.1 | 8.12 |
| Camera | |
| 108.00 MP + 40.00 MP | 13.00 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 resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 13.75 | 8.58 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, UMTS, EDGE and GPRS |
| Nano SIM | -- |
| 10.7 | 6.2 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, 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 98.1 score against 75.2. 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.
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