Compare phones
| Global Score | |
| 74.5 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2021-01-04 | 2021-05-06 |
| 6.46 x 2.99 x 0.36 inches | 6.45 x 3.01 x 0.41 inches |
| 6.91 ounces | 7.41 ounces |
| Black, Blue and White | Mirror Black and Pale Grey |
| Plastic and Plastic | Metal and Plastic |
| $ 170.00 | $ 499.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | -- |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 650 GPU |
| 8.91 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 11.12 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 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 |
| 8.8 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Dual SIM |
| 6.6 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Black Shark 4 is much better than the Samsung Galaxy A02s, getting a global score of 88.3 against 74.5. Both devices we are comparing here use the same Android 11 OS (operating system). Although Xiaomi Black Shark 4 is better than Samsung Galaxy A02s, we must tell that it's also a somewhat thicker and just a bit heavier cellphone.
The Xiaomi Black Shark 4 features a superior hardware performance than Galaxy A02s, and although they both have a Octa-Core CPU, the Xiaomi Black Shark 4 also has a greater amount of RAM. The Xiaomi Black Shark 4 counts with an incredibly better looking display than Galaxy A02s, because it has a greater count of pixels per inch of screen, a much higher resolution of 1080 x 2400 pixels and a bit larger screen.
The Xiaomi Black Shark 4 shoots greater photographs and videos than Samsung Galaxy A02s, because it has a back-facing camera with lot more mega-pixels, a way better 3840x2160 (4K) video quality and a bigger camera aperture to take better images in low light situations. Samsung Galaxy A02s counts with a better storage capacity to install applications and games or saving photos and videos than Xiaomi Black Shark 4, because although it has less internal storage capacity, it also counts with a slot for external memory cards that holds a maximum of 1 TB.
Samsung Galaxy A02s has just a bit better battery duration than Xiaomi Black Shark 4, because it has a 5000mAh battery capacity.
Although Xiaomi Black Shark 4 is a better device, it costs a lot more than Samsung Galaxy A02s, and it doesn't have such a good price and quality relation as Samsung Galaxy A02s. If you prefer to save a few dollars, you can buy the Samsung Galaxy A02s, giving up a few features and specs, but you'll get the most out of your money.
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