Compare phones
| Global Score | |
| 79.2 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11 |
| 2018-01-06 | 2021-05-06 |
| 5.87 x 2.78 x 0.33 inches | 6.45 x 3.01 x 0.41 inches |
| 6.07 ounces | 7.41 ounces |
| Black, Blue, Gold and Orchid grey | Mirror Black and Pale Grey |
| Aluminum and Glass (Corning Gorilla Glass 5) | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 499.00 |
| Display / Screen | |
| 5.6 inches | 6.7 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | -- |
| 441 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.3 | 9.1 |
| Performance | |
| Samsung Exynos 5 Octa 7885 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G71 GPU | Adreno 650 GPU |
| 9.18 | 9.81 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.24 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Dual SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Black Shark 4 has a general score of 88.3, which is much better than Galaxy A8 (2018)'s 79.2 general score. Xiaomi Black Shark 4's construction is noticeably newer, but thicker and somewhat heavier than Galaxy A8 (2018). Xiaomi Black Shark 4 has a slightly better looking screen than Samsung Galaxy A8 (2018), because although it has a bit lower pixel density, it also counts with a bigger screen and a bit higher 1080 x 2400px resolution.
The Xiaomi Black Shark 4 counts with a bit better processor than Galaxy A8 (2018), and although they both have a Octa-Core processor, the Xiaomi Black Shark 4 also has 4 GB more RAM memory. Samsung Galaxy A8 (2018) features a bit bigger memory for games and applications than Xiaomi Black Shark 4, because although it has less internal storage capacity, it also counts with a slot for SD memory cards that admits a maximum of 256 GB.
Xiaomi Black Shark 4 has a superior battery lifetime than Samsung Galaxy A8 (2018), because it has a 50 percent greater battery capacity. Xiaomi Black Shark 4 counts with a way better camera than Samsung Galaxy A8 (2018), because although it has a smaller aperture which is not nice for capturing photos or video in low light environments, it also counts with a back facing camera with a lot better resolution and a much higher 3840x2160 (4K) video resolution.
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