Compare phones
| Global Score | |
| 73.5 | 86.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 7.0 Nougat | Android 10 |
| 2017-07-01 | 2020-05-08 |
| 6.00 x 2.94 x 0.31 inches | 6.64 x 3.04 x 0.41 inches |
| 6.38 ounces | 7.83 ounces |
| Black, Gold, Rose gold and Silver | Armor gray, Lightning black and Star silver |
| Aluminum | Aluminum and Aluminum |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | OLED |
| 401 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-T830 MP2 GPU | Adreno 650 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 | 64.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3600mAh Battery | 4720mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.56 |
| 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
Xiaomi Black Shark 3 is better than the Samsung Galaxy J7 (2017), getting a general score of 86.6 against 73.5. These devices include Android OS (operating system), but the Xiaomi Black Shark 3 has older 10 version and Samsung Galaxy J7 (2017) has Android 9.0 Pie. Although the Xiaomi Black Shark 3 is much newer than the Samsung Galaxy J7 (2017), it's notably thicker and heavier.
Xiaomi Black Shark 3 has a bit more vivid screen than Samsung Galaxy J7 (2017), because although it has a just a little lower screen density, it also counts with a bigger display and a slightly higher 1080 x 2400 resolution. Xiaomi Black Shark 3 features a better processing unit than Samsung Galaxy J7 (2017), and although they both have a Octa-Core processing unit, the Xiaomi Black Shark 3 also has a larger amount of RAM.
Xiaomi Black Shark 3 counts with a superior storage for apps and games than Galaxy J7 (2017), because although it has no external memory card slot, it also counts with 112 GB more internal memory capacity. Xiaomi Black Shark 3 counts with greater battery duration than Samsung Galaxy J7 (2017), because it has a 4720mAh battery capacity against 3600mAh.
The Xiaomi Black Shark 3 captures way better videos and photos than Galaxy J7 (2017), because although it has a tinier camera aperture which is not favorable for shooting images or videos in poorly lited situations, it also counts with a way more MP camera in the back and a much better 3840x2160 video quality.
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