Compare phones
| Global Score | |
| 74.3 | 82.2 |
| Basic Information | |
| LG | Sony |
| Android 10 | -- |
| 2020-04-27 | 2018-07-30 |
| 6.50 x 3.02 x 0.33 inches | 6.22 x 3.15 x 0.47 inches |
| 6.77 ounces | 8.32 ounces |
| Blue, Pink and Titanium | 16 777 216 |
| -- | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 1000.00 |
| Display / Screen | |
| 6.5 inches | 5.8 inches |
| 1600 x 720 pixels | 3840 x 2160 pixels (4K) |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 760 pixels per inch |
| -- | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 10.4 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 630 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 400 GB) external memory slot |
| 14.74 | 11.34 |
| Camera | |
| 32.00 MP + 13.00 MP | 19.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 25.00mm focal length |
| -- | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 8.91 | 10.45 |
| 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 | 3540mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.52 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xperia XZ2 Premium has a score of 82.2, which is much better than LG K51S's 74.3 score. Although it's the best phone in this comparison, the Xperia XZ2 Premium design is older, somewhat heavier and thicker than LG K51S. Xperia XZ2 Premium features a way better display than LG K51S, because although it has a bit smaller display, it also counts with a much higher resolution of 2160 x 3840 and a way higher display pixel density.
Sony Xperia XZ2 Premium features just a little better hardware performance than LG K51S, and although they both have a Octa-Core processing unit, the Sony Xperia XZ2 Premium also has 3 GB more RAM memory. The Sony Xperia XZ2 Premium counts with a superior camera than LG K51S, because although it has a way less mega pixels resolution back camera, it also counts with a lot better 3840x2160 (4K) video definition.
LG K51S counts with a very superior storage to install applications and games than Sony Xperia XZ2 Premium, and although they both have equal internal storage, the LG K51S also has an external memory card slot that supports up to 2 TB. LG K51S has a little better battery duration than Sony Xperia XZ2 Premium, because it has a 13 percent larger battery size.
Although Sony Xperia XZ2 Premium is a better device, it costs a lot more than LG K51S, and it doesn't have such a good relation between it's price and quality as LG K51S. If you want to save some dollars, you can buy the LG K51S, giving up a couple features and specs, but you will get the most with your money.
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