Compare phones
| Global Score | |
| 74.3 | 78.8 |
| Basic Information | |
| LG | Microsoft |
| Android 10 | Android 10 |
| 2020-04-27 | 2020-09-10 |
| 6.50 x 3.02 x 0.33 inches | 7.36 x 5.72 x 0.19 inches |
| 6.77 ounces | 8.82 ounces |
| Blue, Pink and Titanium | Glacier |
| -- | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 190.00 | $ 540.00 |
| Display / Screen | |
| 6.5 inches | 8.1 inches |
| 1600 x 720 pixels | 2700 x 1800 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 14.74 | 10.1 |
| Camera | |
| 32.00 MP + 13.00 MP | 11.00 MP |
| -- | f/2.00 aperture |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 8.91 | 8.91 |
| 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 | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Microsoft Surface Duo is a bit better than the LG K51S, having a global score of 78.8 against 74.3. Both devices in this comparison review use the same Android 10 OS. The Microsoft Surface Duo construction is way heavier but extremely thinner than the LG K51S, and they were released with only a couple months difference.
Microsoft Surface Duo features a more vivid display than LG K51S, because it has a greater pixel density, a lot higher 1800 x 2700 resolution and a bigger screen. The Microsoft Surface Duo has a bit more powerful processor than LG K51S, and although they both have the same number of cores, the Microsoft Surface Duo also has a larger amount of RAM memory.
Microsoft Surface Duo counts with a camera that's just as good as the camera in LG K51S, because although the Microsoft Surface Duo has a much lower 11 mega pixels resolution camera, it also counts with a much better 3840x2160 video definition. The LG K51S features a way bigger storage capacity to store more games and applications than Microsoft Surface Duo, because although it has just 64 GB internal memory capacity, it also counts with a slot for SD memory cards that admits up to 2 TB.
LG K51S has a bit better battery performance than Microsoft Surface Duo, because it has a 4000mAh battery size.
Although Microsoft Surface Duo is a better device, it costs a lot more money than LG K51S, and it doesn't have such a good price and quality relation as LG K51S. So if you need that extra specs, you can buy Microsoft Surface Duo, otherwise you can save some dollars and get the LG K51S, resigning a couple specifications.
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