Compare phones
| Global Score | |
| 73.5 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 7.0 Nougat | Android 10, 9.0 Pie |
| 2017-07-01 | 2019-03-28 |
| 6.00 x 2.94 x 0.31 inches | 6.44 x 2.95 x 0.35 inches |
| 6.38 ounces | 7.23 ounces |
| Black, Gold, Rose gold and Silver | Black and Silver |
| Aluminum | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 855 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-T830 MP2 GPU | Adreno 640 GPU |
| 8.73 | 9.63 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 7.48 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") 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 |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| 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
The Xiaomi Black Shark 2 has a score of 82.3, which is much better than Galaxy J7 (2017)'s 73.5 score. Although Xiaomi Black Shark 2 is newer than the Galaxy J7 (2017), it's heavier and somewhat thicker. These phones work with Android OS (Operating System), but Xiaomi Black Shark 2 has the older 10 version and Galaxy J7 (2017) has Android 9.0 Pie.
The Xiaomi Black Shark 2 has a superior processing unit than Galaxy J7 (2017), and although they both have the same number of cores, the Xiaomi Black Shark 2 also has a larger amount of RAM. The Xiaomi Black Shark 2 counts with a little more vivid screen than Samsung Galaxy J7 (2017), because it has a bit higher resolution of 1080 x 2340, a just a bit higher display density and a bigger display.
Xiaomi Black Shark 2 counts with a very superior memory for games and applications than Samsung Galaxy J7 (2017), because although it has no slot for an SD memory card, it also counts with 112 GB more internal memory. The Xiaomi Black Shark 2 takes greater photographs and videos than Samsung Galaxy J7 (2017), because although it has a smaller aperture which is not nice for taking photos and videos in low-light environments, it also counts with a lot better 3840x2160 (4K) video quality and a camera with much more megapixels.
The Xiaomi Black Shark 2 features just a bit better battery life than Galaxy J7 (2017), because it has an 11 percent bigger battery capacity.
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