Compare phones
| Global Score | |
| 49.7 | 71.1 |
| Basic Information | |
| Acer | LG |
| Android 4.2.2 | Android 10 |
| 2014-01-03 | 2020-05-06 |
| 5.73 x 2.89 x 0.35 inches | 6.57 x 3.07 x 0.33 inches |
| 5.19 ounces | 7.17 ounces |
| -- | Titan gray |
| Scratch-Resistant Glass | -- |
| $ 179.00 | $ 174.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 480 x 854 pixels | 1560 x 720 pixels |
| -- | IPS LCD |
| 196 pixels per inch | 264 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 6.9 | 7.2 |
| Performance | |
| -- | MediaTek Helio P22 MT6762 chipset |
| Dual-Core 1300 MHz processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 1 GB RAM | 3 GB RAM |
| Yes GPU | IMG PowerVR GE8320 GPU |
| 7.92 | 9.09 |
| Storage | |
| 4 GB internal memory | 32 GB internal memory |
| microSD, microSDHC external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 2.5 | 12.76 |
| Camera | |
| 5.00 MP | 13.00 MP + 13.00 MP |
| f/2.40 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3") sensor |
| -- | 1920 x 1080 (Full HD) video resolution |
| 6.38 | 8.14 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 2.4 | 6.7 |
| Battery Life | |
| -- | 4000mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| 1.36 | 5.92 |
| Other Features | |
| Bluetooth | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
LG K51 is much better than the Acer Liquid Z5, with a 71.1 score against 49.7. LG K51's body is much newer and a bit thinner, but also a lot heavier than the Acer Liquid Z5. Both of these phones work with Android OS, but the LG K51 has the previous 10 version while Acer Liquid Z5 has Android 4.2.2 version.
LG K51 counts with a little sharper display than Acer Liquid Z5, because it has a much higher resolution of 720 x 1560, a higher screen pixel density and a larger display. The LG K51 features a much greater storage for games and applications than Acer Liquid Z5, because it has 28 GB more internal storage capacity.
LG K51 counts with a more powerful processing unit than Acer Liquid Z5, because it has 6 more cores and more RAM. LG K51 features a superior battery lifetime than Acer Liquid Z5. LG K51 takes much better photographs and videos than Acer Liquid Z5, because it has a way larger aperture for better low light images and videos and a camera in the back with a way better 13 MP resolution.
The LG K51 not only is the best phones in our comparison, but it's also cheaper, which makes this phone a simple decision.
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