Compare phones
| Global Score | |
| 74.3 | 83 |
| Basic Information | |
| LG | Asus |
| Android 10 | Android 11 |
| 2020-04-27 | 2021-05-13 |
| 6.50 x 3.02 x 0.33 inches | 5.83 x 2.70 x 0.35 inches |
| 6.77 ounces | 5.96 ounces |
| Blue, Pink and Titanium | Horizon Silver and Obsidian Black |
| -- | Aluminum and Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 446 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.2 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 14.74 | 10.1 |
| Camera | |
| 32.00 MP + 13.00 MP | 64.00 MP + 12.00 MP |
| -- | f/1.80 aperture |
| -- | 27.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.91 | 12.65 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2, 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
Asus ZenFone 8 has an overall score of 83, which is much better than LG K51S's 74.3 global score. Asus ZenFone 8's design is newer and lighter, but also just a little thicker than the LG K51S. Both phones in this comparison have Android operating system, but Asus ZenFone 8 has a newer 11 version while LG K51S has Android 10 version, providing lots of additional features.
Asus ZenFone 8 features a little better hardware performance than LG K51S, and although they both have the same number of cores, the Asus ZenFone 8 also has a larger amount of RAM. Asus ZenFone 8 features a much sharper display than LG K51S, because although it has a little bit smaller screen, it also counts with a way higher resolution of 1080 x 2400 and way more pixels per inch of screen.
The LG K51S has a much better memory capacity for games and applications than Asus ZenFone 8, because although it has 0 less internal storage, it also counts with a slot for an SD memory card that allows a maximum of 2 TB. The Asus ZenFone 8's battery life is just as good as LG K51S's battery performance.
The Asus ZenFone 8 has a greater camera than LG K51S, because it has a much better 7680x4320 video resolution and a lot higher resolution back facing camera.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.