Compare phones
| Global Score | |
| 74.3 | 85.5 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2019-12-27 |
| 6.50 x 3.02 x 0.33 inches | 6.24 x 2.90 x 0.31 inches |
| 6.77 ounces | 6.07 ounces |
| Blue, Pink and Titanium | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 282.00 |
| 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 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 | 4 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 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 512 GB) external memory slot |
| 14.74 | 14.14 |
| 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 (240 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 | 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| 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 A51 has an overall score of 85.5, which is much better than LG K51S's overall score of 74.3. Both of these devices use Android operating system, but the Samsung Galaxy A51 has a more recent 11 version while LG K51S has Android 10. Although the Samsung Galaxy A51 and LG K51S were released only 4 months apart, the Samsung Galaxy A51 is just a little thinner and somewhat lighter.
The Galaxy A51 features a better display than LG K51S, and although they both have a same size display, the Galaxy A51 also has a higher count of pixels per inch of display and a lot better 1080 x 2400 pixels resolution. LG K51S features just a bit bigger storage to install applications and games than Galaxy A51, because although it has just 64 GB internal storage, it also counts with a SD memory slot that allows up to 2 TB.
The LG K51S and the Galaxy A51 both count with quite similar CPUs, and although the Galaxy A51 has a larger amount of RAM, they both have the same number of cores. The LG K51S and the Samsung Galaxy A51 count with incredibly similar batteries duration. The Galaxy A51 captures much clearer pictures and videos than LG K51S, because it has a lot better video resolution and a camera with much more megapixels.
The Galaxy A51 is a lot more expensive than LG K51S, but you can get a better phone for that extra dollars.
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