Compare phones
| Global Score | |
| 73.1 | 88.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-07-13 | 2019-09-24 |
| 6.03 x 3.00 x 0.34 inches | 6.08 x 2.85 x 0.41 inches |
| 6.38 ounces | 8.50 ounces |
| Blue | Black |
| -- | Titanium |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 7.9 inches |
| 1280 x 720 pixels (HD) | 2250 x 2088 pixels |
| TFT | OLED |
| 267 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 2 GB RAM | 12 GB RAM |
| Mali-T830 MP1 GPU | Adreno 640 GPU |
| 8.73 | 9.81 |
| Storage | |
| 32 GB internal memory | 512 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 17.6 |
| Camera | |
| 13.00 MP + 13.00 MP | 108.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 9.13 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix Alpha is a lot better than Galaxy J7 Star, with an 88.9 score against 73.1. These phones use Android operating system, but Xiaomi Mi Mix Alpha has 10 version and Galaxy J7 Star has Android 9.0 Pie. The Xiaomi Mi Mix Alpha is a newer cellphone than the Galaxy J7 Star, although it is heavier and somewhat thicker.
Xiaomi Mi Mix Alpha has a better CPU than Samsung Galaxy J7 Star, and although they both have a Octa-Core CPU, the Xiaomi Mi Mix Alpha also has a higher amount of RAM. The Xiaomi Mi Mix Alpha counts with a more vivid screen than Galaxy J7 Star, because it has a much larger screen, a way higher resolution of 2088 x 2250px and a greater screen pixels density.
The Xiaomi Mi Mix Alpha captures much better videos and photos than Samsung Galaxy J7 Star, and although they both have the same aperture, the Xiaomi Mi Mix Alpha also has a much better 108 MP resolution camera in the back, a way bigger back-facing camera sensor providing a much better image quality and a way higher 3840x2160 video definition.
The Xiaomi Mi Mix Alpha has a superior memory capacity to install applications and games or saving photos and videos than Galaxy J7 Star, because although it has no external memory slot, it also counts with 512 GB internal storage. The Xiaomi Mi Mix Alpha has longer battery duration than Samsung Galaxy J7 Star, because it has a 4050mAh battery capacity.
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