Compare phones
| Global Score | |
| 75.2 | 90.8 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-01-05 | 2020-04-29 |
| 5.87 x 2.96 x 0.37 inches | 6.26 x 2.90 x 0.34 inches |
| 5.36 ounces | 6.60 ounces |
| Gray and Red | Prism cube black |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 185.00 | $ 339.00 |
| 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 980 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB (800 MHz) RAM | 6 GB RAM |
| Adreno 430 (600 MHz) GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 8.12 | 15.38 |
| 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 (480 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 | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM |
| 6.2 | 10.7 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.32 |
| 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 5G is a lot better than LG G Flex 2, getting a 90.8 score against 75.2. Both of these phones use Android operating system, but the Galaxy A51 5G has the newer 11 version while LG G Flex 2 has Android 5.0. Even though Galaxy A51 5G is somewhat heavier than LG G Flex 2, it's a little bit thinner and also way newer.
LG G Flex 2 has a brighter display than Galaxy A51 5G, although it has a just a little inferior pixels quantity per screen inch, a little lower 1920 x 1080px resolution and a little smaller screen. The LG G Flex 2 counts with a bit better CPU than Galaxy A51 5G, because although it has a lower amount of RAM memory, and they both have 8 cpu cores, the LG G Flex 2 also counts with an additional graphics co-processor and a 64 bits processing unit.
The Galaxy A51 5G counts with a much bigger storage capacity to store more apps and games than LG G Flex 2, because it has 96 GB more internal storage capacity and a SD extension slot that supports a maximum of 1000 GB. Galaxy A51 5G takes way better pictures and videos than LG G Flex 2, and although they both have the same (4K) video definition and the same 30 fps video frame rates, the Galaxy A51 5G also has a back camera with way more megapixels.
Samsung Galaxy A51 5G features a much longer battery life than LG G Flex 2, because it has 4500mAh of battery capacity.
The Galaxy A51 5G is way more expensive than LG G Flex 2, but it's still a great deal, because you can get a lot more features for that extra money.
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