Compare phones
| Global Score | |
| 74.3 | 87 |
| Basic Information | |
| LG | Samsung |
| Android 10 | Android 11, 10 |
| 2020-04-27 | 2020-11-06 |
| 6.50 x 3.02 x 0.33 inches | 6.47 x 2.99 x 0.34 inches |
| 6.77 ounces | 6.81 ounces |
| Blue, Pink and Titanium | Prism Dot black, Prism Dot grey and Prism Dot white |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.6 inches |
| 1600 x 720 pixels | 1600 x 720 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.2 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 619 GPU |
| 9.27 | 9.18 |
| 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 + 20.00 MP |
| -- | f/1.80 aperture |
| 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 | 11.11 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| 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 |
Comparison review
The Samsung Galaxy A42 is much better than LG K51S, getting a general score of 87 against 74.3. Both of these phones include Android OS, but the Samsung Galaxy A42 has newer 11 version while LG K51S has Android 10, so it counts with a lot of extra features and enhanced performance. The Samsung Galaxy A42 is an a bit heavier and just a little bit thicker phone than the LG K51S.
LG K51S features a bit more powerful processor than Galaxy A42, although it has a smaller amount of RAM memory, they both have a Octa-Core processing unit. The LG K51S features a bit sharper display than Galaxy A42, because although it has a little smaller screen, and they both have the same 720 x 1600 resolution, the LG K51S also counts with a quite greater display pixel density.
The Samsung Galaxy A42 has a greater camera than LG K51S, because it has a back-facing camera with a lot higher 48 megapixels resolution and a much higher 3840x2160 video resolution. The Samsung Galaxy A42 counts with just a bit bigger memory capacity for applications and games than LG K51S, because although it has a slot for an external memory card that admits 1,02 TB smaller, it also counts with more internal storage capacity.
Galaxy A42 has superior battery life than LG K51S, because it has 5000mAh of battery capacity against 4000mAh.
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