Compare phones
| Global Score | |
| 74.3 | 86.5 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2020-03-05 |
| 6.50 x 3.02 x 0.33 inches | 6.27 x 2.96 x 0.35 inches |
| 6.77 ounces | 6.74 ounces |
| Blue, Pink and Titanium | Black, Blue and Red |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Exynos 9611 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.74 | 11.74 |
| Camera | |
| 32.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.91 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M31 is much better than the LG K51S, having a overall score of 86.5 against 74.3. Both devices we are comparing include Android OS, but Samsung Galaxy M31 has a more recent 11 version and LG K51S has Android 10. Although the Samsung Galaxy M31 and LG K51S were released only 2 months apart, the Samsung Galaxy M31 design is just a little bit thicker but also just a little bit lighter than LG K51S.
The Samsung Galaxy M31 features a bit better CPU than LG K51S, and although they both have a Octa-Core processing unit, the Samsung Galaxy M31 also has a larger amount of RAM memory. The Galaxy M31 features a much better looking screen than LG K51S, because although it has a little smaller display, it also counts with a greater pixel quantity in each inch of display and a way better 1080 x 2340 resolution.
Galaxy M31 features a way better camera than LG K51S, because it has a way higher 3840x2160 video definition and a back-facing camera with a way better resolution. LG K51S has a lot bigger memory to install applications and games than Samsung Galaxy M31, and although they both have equal internal memory capacity, the LG K51S also has a slot for SD memory cards that admits up to 2 TB.
Galaxy M31 counts with a superior battery lifetime than LG K51S, because it has a 50% bigger battery size.
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