Compare phones
| Global Score | |
| 79.6 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-04-10 | 2021-05-06 |
| 5.69 x 2.72 x 0.31 inches | 6.45 x 3.01 x 0.41 inches |
| 4.94 ounces | 7.41 ounces |
| Black, Blue, Coral and White | Mirror Black and Pale Grey |
| Plastic and Plastic | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 499.00 |
| Display / Screen | |
| 5.9 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | -- |
| 437 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.1 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G71 MP2 GPU | Adreno 650 GPU |
| 8.91 | 9.81 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 16.00 MP + 25.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 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 |
| 9.46 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3100mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 4 is better than Galaxy A40, getting a overall score of 88.3 against 79.6. Both phones in this review include the same Android 11 OS. The Xiaomi Black Shark 4 construction is much newer than the Galaxy A40's, although it is extremely heavier and notably thicker. Xiaomi Black Shark 4 has a superior processing power than Galaxy A40, and although they both have a Octa-Core CPU, the Xiaomi Black Shark 4 also has more RAM memory.
The Xiaomi Black Shark 4 counts with a better display than Galaxy A40, because although it has a quite lower pixels density, it also counts with a little bit bigger display and a bit higher 1080 x 2400 resolution. The Samsung Galaxy A40 features more storage to store more apps and games than Xiaomi Black Shark 4, because although it has only 64 GB internal storage capacity, it also counts with an external memory slot that holds a maximum of 512 GB.
The Xiaomi Black Shark 4 features a very superior battery performance than Samsung Galaxy A40, because it has 4500mAh of battery capacity instead of 3100mAh. The Xiaomi Black Shark 4 features a very superior camera than Galaxy A40, because although it has a tinier diafragm aperture, it also counts with a way larger camera sensor providing a way higher image quality, a back-facing camera with a much better 48 mega-pixels resolution and a lot better 3840x2160 (4K) video quality.
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