Compare phones
| Global Score | |
| 74.3 | 77.8 |
| Basic Information | |
| LG | Asus |
| Android 10 | Android 11, 9.0 Pie |
| 2020-04-27 | 2019-05-25 |
| 6.50 x 3.02 x 0.33 inches | 6.26 x 2.97 x 0.36 inches |
| 6.77 ounces | 6.70 ounces |
| Blue, Pink and Titanium | Black and Silver |
| -- | Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 500.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 14.74 | 14.66 |
| Camera | |
| 32.00 MP + 13.00 MP | 48.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.91 | 11.22 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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
The Asus ZenFone 6 (2019) is slightly better than LG K51S, having a 77.8 score against 74.3. Asus ZenFone 6 (2019) is an older and just a little bit thicker cellphone than the LG K51S, but Asus managed to build it a little bit lighter anyway. Both phones we are comparing use Android OS, but the Asus ZenFone 6 (2019) has the newer 11 version while LG K51S has Android 10.
Asus ZenFone 6 (2019) has a brighter display than LG K51S, because although it has a little bit smaller display, it also counts with a much better resolution of 1080 x 2340px and more pixels per inch in the screen. Asus ZenFone 6 (2019) features a little faster CPU than LG K51S, and although they both have a Octa-Core CPU, the Asus ZenFone 6 (2019) also has a greater amount of RAM memory.
Asus ZenFone 6 (2019) has a lot better camera than LG K51S, because it has a much better 3840x2160 video quality and a camera in the back with way more MP. The LG K51S counts with slightly more memory capacity to store more games and applications than Asus ZenFone 6 (2019), and although they both have the same 64 GB internal storage capacity, the LG K51S also has a slot for SD memory cards that admits a maximum of 2 TB.
The Asus ZenFone 6 (2019) features longer battery lifetime than LG K51S, because it has 5000mAh of battery capacity against 4000mAh.
Although Asus ZenFone 6 (2019) is a better device, it costs a lot more money than the LG K51S, and it doesn't have such a good relation between it's price and quality as LG K51S. If you prefer to save a few dollars, you can buy LG K51S, giving up a few features and specifications, but you'll get the most with your savings.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.