Compare phones
| Global Score | |
| 60.8 | 74.3 |
| Basic Information | |
| Microsoft | LG |
| Windows 10 Mobile | Android 10 |
| 2015-10-06 | 2020-04-27 |
| 5.36 x 2.67 x 0.39 inches | 6.50 x 3.02 x 0.33 inches |
| 5.01 ounces | 6.77 ounces |
| Black and White | Blue, Pink and Titanium |
| Plastic | -- |
| $ 185.00 | $ 190.00 |
| Display / Screen | |
| 4.7 inches | 6.5 inches |
| 720 x 1280 pixels (HD) | 1600 x 720 pixels |
| LCD | IPS LCD |
| 312 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 210 8909 chipset | MediaTek Helio P35 MT6765 chipset |
| ARM Cortex-A7 (Single-Core 1100 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 1 GB RAM | 3 GB RAM |
| Adreno 304 GPU | PowerVR GE8320 GPU |
| 7.56 | 9.27 |
| Storage | |
| 8 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 200 GB) external memory slot | microSDXC (up to 2 TB) external memory slot |
| 6.06 | 14.74 |
| Camera | |
| 5.00 MP + 2.00 MP | 32.00 MP + 13.00 MP |
| f/2.40 aperture | -- |
| 28.00mm focal length | -- |
| 0.25 inches (1/4") sensor | -- |
| 1280 x 720 (30 fps) (HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 7.7 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2100mAh Battery | 4000mAh Battery |
| Removable Battery | Non-Removable Battery |
| 672 hours standby time 16 hours talk time | -- |
| 4 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
LG K51S is much better than Microsoft Lumia 550, getting a global score of 74.3 against 60.8. Although the LG K51S is incredibly heavier than Microsoft Lumia 550, it's somewhat thinner and also notably newer. The LG K51S works with Android 10 operating system, and Microsoft Lumia 550 counts with Windows 10 Mobile operating system.
LG K51S counts with a much powerful processing unit than Lumia 550, because it has more cpu cores and a greater amount of RAM memory. The Lumia 550 features a brighter display than LG K51S, because although it has a really smaller display and a bit worse 1280 x 720 resolution, it also counts with a bit more pixels per inch in the display.
LG K51S counts with a much greater memory capacity for applications, games, photos and videos than Lumia 550, because it has 64 GB internal memory and a slot for SD memory cards that allows up to 2 TB. LG K51S has a superior camera than Microsoft Lumia 550, because it has a way higher 1920x1080 (Full HD) video definition and a lot higher resolution camera.
The LG K51S has a superior battery lifetime than Microsoft Lumia 550, because it has a 90% more battery size.
The LG K51S costs a little more than Microsoft Lumia 550, but it's still a convenient choice, as you can get a better phone for that extra money.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.