Compare phones
| Global Score | |
| 74.6 | 90.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 10 |
| -- | 2020-05-08 |
| 6.04 x 3.04 x 0.32 inches | 7.00 x 3.28 x 0.40 inches |
| 6.14 ounces | 7.83 ounces |
| 16 777 216 | Blasting black |
| Plastic | Aluminum and Aluminum |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 7.1 inches |
| 1280 x 720 pixels (HD) | 3120 x 1440 pixels |
| Super AMOLED | AMOLED |
| 267 pixels per inch | 484 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.6 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 650 GPU |
| 8.82 | 9.63 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 13.3 |
| Camera | |
| 13.00 MP + 8.00 MP | 64.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 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 (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Black Shark 3 Pro is a lot better than Galaxy J7 Duo, with a 90.1 score against 74.6. Both of these phones come with Android OS (Operating System), but Xiaomi Black Shark 3 Pro has an older 10 version and Galaxy J7 Duo has Android 8.0 Oreo version. Although it's the best in our current comparison, Xiaomi Black Shark 3 Pro's design is incredibly heavier and way thicker than the Galaxy J7 Duo.
Xiaomi Black Shark 3 Pro has a lot better screen than Galaxy J7 Duo, because it has a lot greater display pixels density, a lot better resolution of 1440 x 3120px and a bigger display. The Xiaomi Black Shark 3 Pro counts with much more storage capacity for apps and games than Samsung Galaxy J7 Duo, because although it has no SD card slot, it also counts with 224 GB more internal memory.
Xiaomi Black Shark 3 Pro features a little bit better processing power than Galaxy J7 Duo, and although they both have the same number of cores, the Xiaomi Black Shark 3 Pro also has more RAM. Xiaomi Black Shark 3 Pro counts with a greater camera than Samsung Galaxy J7 Duo, because it has a lot better video quality, a larger aperture to take better low light images and videos, a camera in the back with a way better resolution and a much bigger back camera sensor providing a way higher image quality.
The Xiaomi Black Shark 3 Pro features a much better battery performance than Samsung Galaxy J7 Duo, because it has a 5000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.