Compare phones
| Global Score | |
| 74.6 | 80.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 9.0 Pie, 8.1 Oreo |
| -- | 2018-04-20 |
| 6.04 x 3.04 x 0.32 inches | 6.36 x 2.97 x 0.36 inches |
| 6.14 ounces | 6.70 ounces |
| 16 777 216 | Black, Blue and Gray |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6 inches |
| 1280 x 720 pixels (HD) | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 267 pixels per inch | 402 pixels per inch |
| -- | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.5 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 630 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 | 12.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.34 inches (1/2.9") 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 | 9.79 |
| 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 has a score of 80.4, which is a bit better than the Galaxy J7 Duo's general score of 74.6. These phones use Android OS (operating system), but the Xiaomi Black Shark has a newer 9.0 Pie version and Galaxy J7 Duo has Android 8.0 Oreo, providing some additional features. The Xiaomi Black Shark is a a little bit heavier and thicker cellphone than the Galaxy J7 Duo.
The Xiaomi Black Shark features a brighter display than Samsung Galaxy J7 Duo, because it has a lot better screen density, a little bit larger display and a way better 1080 x 2160 resolution. Xiaomi Black Shark counts with a bit superior processing unit than Samsung Galaxy J7 Duo, and although they both have a Octa-Core processor, the Xiaomi Black Shark also has a greater amount of RAM.
The Xiaomi Black Shark features a greater memory capacity for games and applications than Galaxy J7 Duo, because although it has no external SD slot, it also counts with 128 GB internal memory capacity. The Xiaomi Black Shark has superior battery performance than Galaxy J7 Duo, because it has a 4000mAh battery capacity.
The Xiaomi Black Shark features a slightly better camera than Galaxy J7 Duo, because although it has a back camera with a worse resolution, it also counts with a larger camera aperture to take better photography in low-light situations, a bigger camera sensor taking higher quality pictures and a much higher 3840x2160 video definition.
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