Compare phones
| Global Score | |
| 74.3 | 85.2 |
| Basic Information | |
| LG | Samsung |
| Android 10 | -- |
| 2020-04-27 | 2018-11-15 |
| 6.50 x 3.02 x 0.33 inches | 6.40 x 3.03 x 0.31 inches |
| 6.77 ounces | 6.46 ounces |
| Blue, Pink and Titanium | Bubblegum pink, Caviar black and Lemonade blue |
| -- | Glass and Metal |
| $ 190.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2220 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 512 GPU |
| 9.27 | 9.27 |
| 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 | 24.00 MP + 24.00 MP |
| -- | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 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 | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.76 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A9 (2018) has a global score of 85.2, which is much better than LG K51S's general score of 74.3. Although the Galaxy A9 (2018) is older than the LG K51S, it's construction is just a little bit thinner and just a little lighter. The Galaxy A9 (2018) features a processor that is very similar to LG K51S's CPU, and although the Galaxy A9 (2018) has more RAM memory, they both have a Octa-Core CPU.
The Samsung Galaxy A9 (2018) counts with a little bit better display than LG K51S, because although it has a quite smaller display, it also counts with more pixels per inch in the display and a lot higher resolution of 1080 x 2220 pixels. The LG K51S has just a bit more storage capacity for games and applications than Samsung Galaxy A9 (2018), because although it has just 64 GB internal storage, it also counts with a SD memory card expansion slot that holds up to 2 TB.
The Samsung Galaxy A9 (2018) has a better camera than LG K51S, because although it has a back-facing camera with lot less mega pixels, it also counts with a lot better (4K) video resolution. LG K51S counts with just a little better battery duration than Galaxy A9 (2018), because it has a 5% greater battery size.
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