Compare phones
| Global Score | |
| 74.6 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 10, 9.0 Pie |
| -- | 2019-03-28 |
| 6.04 x 3.04 x 0.32 inches | 6.44 x 2.95 x 0.35 inches |
| 6.14 ounces | 7.23 ounces |
| 16 777 216 | Black and Silver |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | 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 |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 640 GPU |
| 8.82 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm 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 |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| 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
Xiaomi Black Shark 2 has an overall score of 82.3, which is much better than the Samsung Galaxy J7 Duo's score of 74.6. Xiaomi Black Shark 2's design is heavier and just a little thicker than Samsung Galaxy J7 Duo. Both phones we compare here include Android OS (operating system), but Xiaomi Black Shark 2 has the older 10 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo.
The Xiaomi Black Shark 2 features a much better looking screen than Galaxy J7 Duo, because it has a way better pixels quantity per display inch, a bigger screen and a lot better 1080 x 2340 resolution. The Xiaomi Black Shark 2 features a bit superior CPU than Galaxy J7 Duo, and although they both have 8 cores, the Xiaomi Black Shark 2 also has 4 GB more RAM memory.
The Xiaomi Black Shark 2 counts with a greater storage capacity for apps and games than Samsung Galaxy J7 Duo, because although it has no slot for an SD memory card, it also counts with 128 GB internal storage capacity. The Xiaomi Black Shark 2 features better battery life than Galaxy J7 Duo, because it has a 33% larger battery size.
Xiaomi Black Shark 2 has a greater camera than Galaxy J7 Duo, because it has a larger camera aperture, a back-facing camera with much more mega-pixels, a way larger back-facing camera sensor providing a way better image quality and a much better (4K) video quality.
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