Compare phones
| Global Score | |
| 74.3 | 90.8 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2020-04-29 |
| 6.50 x 3.02 x 0.33 inches | 6.26 x 2.90 x 0.34 inches |
| 6.77 ounces | 6.60 ounces |
| Blue, Pink and Titanium | Prism cube black |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 339.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Samsung Exynos 980 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Mali-G76 MP5 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.74 | 15.38 |
| Camera | |
| 32.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.91 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| 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
Galaxy A51 5G has a global score of 90.8, which is much better than LG K51S's 74.3 score. Both of these phones come with Android OS (Operating System), but Galaxy A51 5G has 11 version while LG K51S has Android 10 version. The Galaxy A51 5G construction is just a bit lighter but a little bit thicker than LG K51S, and both of them were only released 0 months apart.
Galaxy A51 5G has a more vivid screen than LG K51S, and although they both have a display of the same size, the Galaxy A51 5G also has a higher display pixels density and a much higher 1080 x 2400 resolution. The Galaxy A51 5G has a processing unit that's very similar to LG K51S's processing unit, and although the Galaxy A51 5G has a larger amount of RAM memory, they both have a Octa-Core processing unit.
The Samsung Galaxy A51 5G has just a bit bigger storage capacity for applications, games, photos and videos than LG K51S, because although it has an external memory card slot that supports up to 1000 GB against 2 TB, it also counts with more internal memory capacity. Samsung Galaxy A51 5G shoots much better photos and videos than LG K51S, because it has a way higher 48 megapixels resolution back-facing camera and a way better video quality.
The Galaxy A51 5G features just a little better battery lifetime than LG K51S, because it has a 13 percent larger battery capacity.
Galaxy A51 5G is a lot more expensive than LG K51S, but you can get a much better phone for that few more dollars.
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