Compare phones
| Global Score | |
| 74.6 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 11 |
| -- | 2021-05-06 |
| 6.04 x 3.04 x 0.32 inches | 6.45 x 3.01 x 0.41 inches |
| 6.14 ounces | 7.41 ounces |
| 16 777 216 | Mirror Black and Pale Grey |
| Plastic | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 499.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | -- |
| 267 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 9.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 650 GPU |
| 8.82 | 9.81 |
| 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 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM, Dual SIM | Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| 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 4 is much better than the Samsung Galaxy J7 Duo, with a score of 88.3 against 74.6. Both of these phones come with Android OS (operating system), but the Xiaomi Black Shark 4 has the previous 11 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo version. The Xiaomi Black Shark 4 is a heavier and extremely thicker device than the Samsung Galaxy J7 Duo.
The Xiaomi Black Shark 4 counts with a quite superior processing power than Galaxy J7 Duo, and although they both have 8 cores, the Xiaomi Black Shark 4 also has more RAM. Xiaomi Black Shark 4 features a much more vibrant display than Samsung Galaxy J7 Duo, because it has a bigger screen, a lot higher resolution of 1080 x 2400 and more pixels per inch in the display.
The Xiaomi Black Shark 4 features a quite bigger memory to install applications and games than Samsung Galaxy J7 Duo, because although it has no SD extension slot, it also counts with more internal memory capacity. Xiaomi Black Shark 4 captures greater pictures and videos than Galaxy J7 Duo, because it has a much better 3840x2160 (4K) video resolution, a way bigger camera sensor taking more light and vivid colors, a larger diafragm aperture and a way better 48 MP resolution camera in the back.
The Xiaomi Black Shark 4 counts with a much better battery life than Galaxy J7 Duo, because it has a 4500mAh battery size.
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