Compare phones
| Global Score | |
| 73.1 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2018-11-01 |
| 6.03 x 3.00 x 0.34 inches | 6.22 x 2.94 x 0.33 inches |
| 6.38 ounces | 7.69 ounces |
| Blue | Black, Blue and Green |
| -- | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.6 |
| Performance | |
| Samsung Exynos 7 Octa 7870 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 |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 630 GPU |
| 8.73 | 9.63 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 13.3 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.20 MP + 24.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.13 | 10.34 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.3 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.2 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 3 is much better than the Galaxy J7 Star, getting an 83.8 score against 73.1. Xiaomi Mi Mix 3's design is a little thinner but heavier than Galaxy J7 Star, and both of them were only released with a couple months difference. Xiaomi Mi Mix 3 features a faster CPU than Galaxy J7 Star, and although they both have 8 cpu cores, the Xiaomi Mi Mix 3 also has a higher amount of RAM.
The Xiaomi Mi Mix 3 counts with a much sharper display than Galaxy J7 Star, because it has way more pixels per inch of display, a bigger display and a much better resolution of 1080 x 2340 pixels. Xiaomi Mi Mix 3 has a much better camera than Galaxy J7 Star, because although it has a lower 12.2 mega pixels resolution back-facing camera and a smaller camera aperture which is not recommended for capturing pictures and videos in low light situations, it also counts with a way better (4K) video resolution and a larger back-facing camera sensor capturing more light and vivid colors.
The Xiaomi Mi Mix 3 counts with a much greater memory for applications and games than Samsung Galaxy J7 Star, because although it has no external memory card slot, it also counts with 224 GB more internal memory. Samsung Galaxy J7 Star has just a bit longer battery life than Xiaomi Mi Mix 3, because it has a 3% larger battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.