Compare phones
| Global Score | |
| 75.2 | 87.7 |
| Basic Information | |
| LG | Samsung |
| Android 5.0 | Android 10 |
| 2015-01-05 | 2020-09-11 |
| 5.87 x 2.96 x 0.37 inches | 6.45 x 3.00 x 0.37 inches |
| 5.36 ounces | 7.51 ounces |
| Gray and Red | Black and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 185.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| P-OLED | Super AMOLED Plus |
| 401 pixels per inch | 385 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB (800 MHz) RAM | 6 GB RAM |
| Adreno 430 (600 MHz) GPU | Adreno 618 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 | 64.00 MP + 32.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") 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 | -- |
| 8.58 | 11.88 |
| 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 | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 8.32 |
| 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
The Samsung Galaxy M51 has an overall score of 87.7, which is much better than LG G Flex 2's 75.2 global score. The Samsung Galaxy M51 body has the same thickness than LG G Flex 2, but it is heavier. Both of these phones include Android OS (operating system), but Samsung Galaxy M51 has a more recent 10 version and LG G Flex 2 has Android 5.0 version.
LG G Flex 2 counts with a better screen than Galaxy M51, because although it has a little smaller display and a quite lower 1920 x 1080px resolution, it also counts with a little bit more pixels per screen inch. Samsung Galaxy M51 has a much greater storage to install applications and games than LG G Flex 2, because it has a SD card slot that allows a maximum of 512 GB and 128 GB internal storage.
The LG G Flex 2 counts with a bit faster CPU than Samsung Galaxy M51, 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 a 64-bits CPU and an extra GPU. Samsung Galaxy M51 shoots a lot better photos and videos than LG G Flex 2, and although they both have the same (4K) video quality and the same 30 frames per second video frame rate, the Samsung Galaxy M51 also has a way more MP camera.
The Samsung Galaxy M51 has a very superior battery performance than LG G Flex 2, because it has a 7000mAh battery capacity.
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