Compare phones
| Global Score | |
| 75.2 | 85.5 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-01-05 | 2019-12-27 |
| 5.87 x 2.96 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 5.36 ounces | 6.07 ounces |
| Gray and Red | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 185.00 | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| P-OLED | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Samsung Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 430 (600 MHz) GPU | Mali-G72 MP3 GPU |
| 9.99 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 13.00 MP + 2.10 MP | 48.00 MP + 32.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.58 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, UMTS, EDGE and GPRS | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM, Dual SIM |
| 6.2 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 is much better than LG G Flex 2, having a general score of 85.5 against 75.2. Both of these phones have Android operating system, but the Galaxy A51 has 11 version while LG G Flex 2 has Android 5.0 version. Galaxy A51's body is way newer and somewhat thinner, but somewhat heavier than LG G Flex 2.
LG G Flex 2 features a much better screen than Samsung Galaxy A51, although it has a quite smaller display, a just a little worse pixel amount per inch in the display and a little bit worse resolution of 1920 x 1080 pixels. The LG G Flex 2 features just a little better hardware performance than Galaxy A51, because although it has a lower amount of RAM, and they both have the same number of cores, the LG G Flex 2 also counts with a 64 bits processor and a GPU.
The Galaxy A51 counts with a greater camera than LG G Flex 2, and although they both have the same (4K) video definition and the same video frame rates, the Galaxy A51 also has a back-facing camera with a lot better resolution. Samsung Galaxy A51 has a much bigger memory capacity for apps and games than LG G Flex 2, because it has 128 GB internal storage and a SD memory card expansion slot that allows up to 512 GB.
Galaxy A51 counts with longer battery duration than LG G Flex 2, because it has a 4000mAh battery capacity.
Galaxy A51 costs a lot more than the LG G Flex 2, but it's still a great choice, as you can get a better phone for that extra money.
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