Compare phones
| Global Score | |
| 73.1 | 80.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | Android 9.0 Pie, 8.1 Oreo |
| 2018-07-13 | 2018-04-20 |
| 6.03 x 3.00 x 0.34 inches | 6.36 x 2.97 x 0.36 inches |
| 6.38 ounces | 6.70 ounces |
| Blue | Black, Blue and Gray |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1280 x 720 pixels (HD) | 2160 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 402 pixels per inch |
| -- | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.5 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 630 GPU |
| 8.73 | 9.63 |
| 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 | 12.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.13 | 9.79 |
| 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
Xiaomi Black Shark has an overall score of 80.4, which is slightly better than Samsung Galaxy J7 Star's general score of 73.1. These phones come with the same Android 9.0 Pie OS (Operating System). Despite being the best phone in our current comparison, Xiaomi Black Shark is a just a little heavier and just a little thicker phone than the Samsung Galaxy J7 Star.
Xiaomi Black Shark features a better performing processing unit than Galaxy J7 Star, and although they both have a Octa-Core CPU, the Xiaomi Black Shark also has a higher amount of RAM memory. The Xiaomi Black Shark has a better looking display than Galaxy J7 Star, because it has a much higher screen pixel density, a way better 1080 x 2160 resolution and a little larger display.
The Xiaomi Black Shark shoots a little bit better photographs and videos than Samsung Galaxy J7 Star, because although it has a smaller aperture which is not favorable for low-light photos and a less megapixels back facing camera, it also counts with a much higher video definition and a bigger back-facing camera sensor providing a better image quality.
The Xiaomi Black Shark has a slightly better memory capacity to install games and applications than Samsung Galaxy J7 Star, because although it has no external memory slot, it also counts with 128 GB internal storage capacity. The Xiaomi Black Shark counts with longer battery performance than Samsung Galaxy J7 Star, because it has 4000mAh of battery capacity instead of 3300mAh.
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