Compare phones
| Global Score | |
| 88.3 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-05-06 | 2019-04-10 |
| 6.45 x 3.01 x 0.41 inches | 5.69 x 2.72 x 0.31 inches |
| 7.41 ounces | 4.94 ounces |
| Mirror Black and Pale Grey | Black, Blue, Coral and White |
| Metal and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 499.00 | -- |
| Display / Screen | |
| 6.7 inches | 5.9 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| -- | Super AMOLED |
| 393 pixels per inch | 437 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | Exynos 7904 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 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 650 GPU | Mali-G71 MP2 GPU |
| 9.81 | 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 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.99 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.12 |
| 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 the Samsung Galaxy A40, getting a general score of 88.3 against 79.6. These devices work with the same Android 11 OS. The Xiaomi Black Shark 4 is a a lot newer phone than the Samsung Galaxy A40, although it's incredibly thicker and a lot heavier. The Xiaomi Black Shark 4 has a much better display than Galaxy A40, because although it has a quite lower pixel density, it also counts with a little higher resolution of 1080 x 2400 and a little bigger screen.
Xiaomi Black Shark 4 counts with a better performing CPU than Samsung Galaxy A40, and although they both have 8 cores, the Xiaomi Black Shark 4 also has more RAM memory. The Xiaomi Black Shark 4 shoots much better photographs and videos than Samsung Galaxy A40, because although it has a tinier diafragm aperture which is worse for capturing images and video in poorly lited environments, it also counts with a camera with a much better 48 MP resolution, a way higher 3840x2160 (4K) video quality and a much larger back camera sensor.
Galaxy A40 counts with a bigger storage for apps and games than Xiaomi Black Shark 4, because although it has just 64 GB internal memory capacity, it also counts with a slot for an SD memory card that holds up to 512 GB. The Xiaomi Black Shark 4 features a much better battery duration than Galaxy A40, because it has a 4500mAh battery size.
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