Compare phones
| Global Score | |
| 72.5 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11 |
| 2018-07-13 | 2021-05-06 |
| 6.03 x 3.00 x 0.34 inches | 6.45 x 3.01 x 0.41 inches |
| 6.38 ounces | 7.41 ounces |
| Black | Mirror Black and Pale Grey |
| Plastic | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| $ 230.00 | $ 499.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | -- |
| 267 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 9.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 650 GPU |
| 8.73 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") 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 |
| 9.13 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3300mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Black Shark 4 is much better than the Samsung Galaxy J7 (2018), with an 88.3 score against 72.5. Even though the Xiaomi Black Shark 4 is incredibly newer than the Samsung Galaxy J7 (2018), it's thicker and heavier. Xiaomi Black Shark 4 counts with a much sharper display than Galaxy J7 (2018), because it has more pixels per inch of screen, a lot higher 1080 x 2400px resolution and a larger screen.
The Xiaomi Black Shark 4 has a better CPU than Galaxy J7 (2018), and although they both have the same number of cores, the Xiaomi Black Shark 4 also has more RAM. Xiaomi Black Shark 4 features a greater camera than Samsung Galaxy J7 (2018), because although it has a tinier aperture, it also counts with a much larger sensor, a lot better video definition and a back camera with a much higher resolution.
The Xiaomi Black Shark 4 counts with a bit bigger storage to install applications and games than Galaxy J7 (2018), because although it has no external SD slot, it also counts with more internal storage capacity. Xiaomi Black Shark 4 counts with greater battery life than Galaxy J7 (2018), because it has 4500mAh of battery capacity.
The Xiaomi Black Shark 4 costs a lot more than Samsung Galaxy J7 (2018), but you can get a much better phone for that extra money.
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