Compare phones
| Global Score | |
| 74.3 | 79 |
| Basic Information | |
| LG | Sony |
| Android 10 | Android 8.0 Oreo |
| 2020-04-27 | 2018-04-05 |
| 6.50 x 3.02 x 0.33 inches | 5.31 x 2.56 x 0.48 inches |
| 6.77 ounces | 5.93 ounces |
| Blue, Pink and Titanium | 16 777 216 |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 5 inches |
| 1600 x 720 pixels | 2160 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 483 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.1 |
| 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 | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 630 GPU |
| 9.27 | 9.54 |
| 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 + 5.00 MP |
| -- | f/2.00 aperture |
| -- | 25.00mm focal length |
| -- | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 8.91 | 10.67 |
| 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 | 2870mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.88 |
| 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 Compact has a general score of 79, which is a little bit better than the LG K51S's general score of 74.3. Both of these phones include Android OS (operating system), but the Xperia XZ2 Compact has the newer 8.0 Oreo version while LG K51S has Android 10, so it counts with a couple nice extra features. Although the Xperia XZ2 Compact is extremely older and way thicker than the LG K51S, it's body is still lighter.
Sony Xperia XZ2 Compact counts with a bit faster CPU than LG K51S, and although they both have 8 processing cores, the Sony Xperia XZ2 Compact also has more RAM memory. The Xperia XZ2 Compact has a much better screen than LG K51S, because although it has a way smaller screen, it also counts with a way better pixel number per screen inch and a lot higher resolution of 1080 x 2160px.
The LG K51S has a lot bigger memory capacity to store more apps and games than Sony Xperia XZ2 Compact, and although they both have exactly the same 64 GB internal memory, the LG K51S also has a slot for an SD memory card that admits a maximum of 2 TB. Xperia XZ2 Compact takes much better photographs and videos than LG K51S, because although it has a back camera with a lot lower 19 megapixels resolution, it also counts with a lot better 3840x2160 (4K) video quality.
LG K51S counts with a superior battery lifetime than Xperia XZ2 Compact, because it has a 4000mAh battery size.
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