Compare phones
| Global Score | |
| 73.1 | 82.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | Android 9.0 Pie |
| 2018-07-13 | 2019-10-20 |
| 6.03 x 3.00 x 0.34 inches | 6.44 x 2.95 x 0.35 inches |
| 6.38 ounces | 7.23 ounces |
| Blue | Iceberg grey and Shadow black |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 640 GPU |
| 8.73 | 9.72 |
| 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 (480 fps) (HD) slow motion video |
| 9.13 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| 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 2 Pro has a global score of 82.9, which is much better than the Samsung Galaxy J7 Star's global score of 73.1. These phones have the same Android 9.0 Pie OS, so you shouldn't perceive any differences regarding that. Xiaomi Black Shark 2 Pro's body is newer than the Samsung Galaxy J7 Star's, although it is somewhat heavier and a little bit thicker.
The Xiaomi Black Shark 2 Pro features a more powerful processing unit than Galaxy J7 Star, and although they both have a Octa-Core processor, the Xiaomi Black Shark 2 Pro also has a larger amount of RAM memory. The Xiaomi Black Shark 2 Pro has a brighter display than Galaxy J7 Star, because it has a bigger display, a lot higher number of pixels per inch of screen and a way better resolution of 1080 x 2340px.
Xiaomi Black Shark 2 Pro has a way better camera than Galaxy J7 Star, because although it has a tinier diafragm aperture which is not favorable for low light photography and video, it also counts with a lot more megapixels back camera, a much better 3840x2160 video definition and a much larger sensor providing a much better image quality.
Xiaomi Black Shark 2 Pro features slightly more memory to install games and applications than Samsung Galaxy J7 Star, because although it has no slot for an SD memory card, it also counts with 128 GB internal storage capacity. Xiaomi Black Shark 2 Pro counts with superior battery duration than Galaxy J7 Star, because it has a 21% more battery size.
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