Compare phones
| Global Score | |
| 74.3 | 79.8 |
| Basic Information | |
| LG | Motorola |
| Android 10 | Android 10, 9.0 Pie |
| 2020-04-27 | 2019-06-06 |
| 6.50 x 3.02 x 0.33 inches | 6.22 x 2.95 x 0.29 inches |
| 6.77 ounces | 5.82 ounces |
| Blue, Pink and Titanium | Gray and White |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | 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 | OLED |
| 270 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 675 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 612 GPU |
| 9.27 | 9.09 |
| 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 + 25.00 MP |
| -- | f/1.70 aperture |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (120 fps) (Full 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.6 |
| 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, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Motorola Moto Z4 has a score of 79.8, which is just a bit better than LG K51S's 74.3 global score. Both phones we compare here include the same Android 10 OS, so you shouldn't see any differences regarding that. The Motorola Moto Z4 is an older phone than the LG K51S, but Motorola was able to make it somewhat thinner and somewhat lighter anyway.
LG K51S features a little bit better performance than Moto Z4, although it has 1 GB less RAM, they both have the same number of cores. Moto Z4 counts with a slightly better display than LG K51S, because although it has a bit smaller display, it also counts with a lot higher resolution of 1080 x 2340 and a better pixel density.
The LG K51S has a slightly better storage for applications, games, photos and videos than Motorola Moto Z4, because although it has 0 less internal memory capacity, it also counts with an external memory card slot that allows a maximum of 2 TB. The LG K51S features a bit longer battery performance than Motorola Moto Z4, because it has an 11 percent more battery size.
Moto Z4 shoots way better pictures and videos than LG K51S, because it has a lot better (4K) video resolution and a back camera with a lot better 48 mega pixels resolution.
Although Motorola Moto Z4 is a better device, it costs a lot more than LG K51S, and it doesn't have such a good quality/price relation as LG K51S. So if you need that extra features and specs, you can buy Motorola Moto Z4, else you can save a couple dollars and get the LG K51S, resigning a couple specifications.
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