Compare phones
| Global Score | |
| 86.6 | 79.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | -- |
| 2020-05-08 | 2018-01-06 |
| 6.64 x 3.04 x 0.41 inches | 5.87 x 2.78 x 0.33 inches |
| 7.83 ounces | 6.07 ounces |
| Armor gray, Lightning black and Star silver | Black, Blue, Gold and Orchid grey |
| Aluminum and Aluminum | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 5.6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| OLED | Super AMOLED |
| 393 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.3 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Samsung Exynos 5 Octa 7885 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G71 GPU |
| 9.63 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 10.78 |
| Camera | |
| 64.00 MP + 20.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.43 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4720mAh Li - Polymer Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.56 | 4.96 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Black Shark 3 has an overall score of 86.6, which is just a bit better than the Galaxy A8 (2018)'s 79.2 score. Xiaomi Black Shark 3's design is much newer, but thicker and notably heavier than Galaxy A8 (2018). Samsung Galaxy A8 (2018) features a bit sharper screen than Xiaomi Black Shark 3, because although it has a quite smaller display and a bit lower 1080 x 2220 resolution, it also counts with a little bit better pixels quantity per inch of display.
Xiaomi Black Shark 3 has a bit better performance than Samsung Galaxy A8 (2018), and although they both have a Octa-Core CPU, the Xiaomi Black Shark 3 also has 4 GB more RAM memory. The Xiaomi Black Shark 3 captures greater photos and videos than Samsung Galaxy A8 (2018), because although it has a smaller aperture which is worse for low-light photos, it also counts with a lot better video definition and a back facing camera with a lot better 64 megapixels resolution.
Samsung Galaxy A8 (2018) counts with a slightly better memory capacity to install applications and games or saving photos and videos than Xiaomi Black Shark 3, because although it has less internal memory, it also counts with a SD card slot that holds up to 256 GB. The Xiaomi Black Shark 3 has a way better battery life than Samsung Galaxy A8 (2018), because it has a 4720mAh battery capacity.
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