Compare phones
| Global Score | |
| 82.3 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11, 10, 9.0 Pie |
| 2019-03-28 | 2019-04-10 |
| 6.44 x 2.95 x 0.35 inches | 5.69 x 2.72 x 0.31 inches |
| 7.23 ounces | 4.94 ounces |
| Black and Silver | Black, Blue, Coral and White |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.9 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 437 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Exynos 7904 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G71 MP2 GPU |
| 9.63 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 20.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 11.55 | 9.46 |
| 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 Li - Ion Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.12 |
| 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 |
| -- | FM Radio |
Comparison review
Xiaomi Black Shark 2 is a little bit better than Galaxy A40, with a global score of 82.3 against 79.6. Both phones in this review use Android OS, but Xiaomi Black Shark 2 has an older 10 version and Galaxy A40 has Android 11 version. The Xiaomi Black Shark 2 is a somewhat thicker and much heavier device than the Galaxy A40.
Xiaomi Black Shark 2 has a bit faster CPU than Samsung Galaxy A40, and although they both have the same number of cores, the Xiaomi Black Shark 2 also has more RAM memory. The Xiaomi Black Shark 2 features a little sharper screen than Samsung Galaxy A40, because although it has a quite worse pixel amount in each inch of display, and they both have the same 1080 x 2340 resolution, the Xiaomi Black Shark 2 also counts with a quite larger screen.
The Xiaomi Black Shark 2 counts with a much better camera than Galaxy A40, because although it has a smaller camera aperture which is worse for shooting images and video in poorly lited environments, it also counts with a way better 3840x2160 (4K) video definition, a way larger back camera sensor and a much higher resolution camera.
The Galaxy A40 counts with a greater memory capacity to install games and applications than Xiaomi Black Shark 2, because although it has less internal memory capacity, it also counts with a slot for an SD memory card that holds up to 512 GB. The Xiaomi Black Shark 2 features longer battery life than Samsung Galaxy A40, because it has 4000mAh of battery capacity against 3100mAh.
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