Compare phones
| Global Score | |
| 72.7 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 10, 9.0 Pie |
| 2018-06-29 | 2019-03-28 |
| 6.03 x 3.00 x 0.34 inches | 6.44 x 2.95 x 0.35 inches |
| 6.38 ounces | 7.23 ounces |
| 16 777 216 | Black and Silver |
| Scratch-Resistant Glass | -- |
| 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 7884 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 |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 640 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 | 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 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.13 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 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 |
| -- | 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 is better than Galaxy J7 Refine, having a overall score of 82.3 against 72.7. The Xiaomi Black Shark 2 is a newer phone than Galaxy J7 Refine, although it's somewhat heavier and a little bit thicker. These phones use Android OS, but Xiaomi Black Shark 2 has the older 10 version and Galaxy J7 Refine has Android 8.0 Oreo.
Xiaomi Black Shark 2 counts with a superior processing power than Galaxy J7 Refine, and although they both have the same number of cores, the Xiaomi Black Shark 2 also has more RAM. Xiaomi Black Shark 2 counts with a sharper display than Galaxy J7 Refine, because it has much more pixels per inch of display, a larger display and a much higher resolution of 1080 x 2340.
Xiaomi Black Shark 2 takes greater photos and videos than Galaxy J7 Refine, because although it has a tinier camera aperture which is not good for low-light photography and video, it also counts with a lot better 3840x2160 video definition, a much bigger sensor taking way better quality photos and a back-facing camera with a way better resolution.
The Xiaomi Black Shark 2 has a little bit better storage for games and applications than Galaxy J7 Refine, because although it has no slot for an SD memory card, it also counts with 96 GB more internal memory capacity. Xiaomi Black Shark 2 counts with greater battery life than Samsung Galaxy J7 Refine, because it has a 4000mAh battery size.
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