Compare phones
| Global Score | |
| 72.7 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | -- |
| 2018-06-29 | 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 |
| 16 777 216 | Black, Blue and Green |
| -- | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| 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 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 |
| 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-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 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 |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi Mix 3 is much better than the Galaxy J7 Refine, getting an 83.8 score against 72.7. The Xiaomi Mi Mix 3 design is somewhat heavier but just a little thinner than Galaxy J7 Refine, and both were only released with a couple of months difference. Xiaomi Mi Mix 3 features a more powerful processing unit than Galaxy J7 Refine, and although they both have the same number of cores, the Xiaomi Mi Mix 3 also has 6 GB more RAM memory.
The Xiaomi Mi Mix 3 features a much more vibrant screen than Samsung Galaxy J7 Refine, because it has a lot higher pixels count per screen inch, a much better 1080 x 2340 resolution and a bigger screen. Xiaomi Mi Mix 3 counts with a much greater memory to store more apps and games than Galaxy J7 Refine, because although it has no slot for an SD memory card, it also counts with more internal memory.
Xiaomi Mi Mix 3 captures much better pictures and videos than Galaxy J7 Refine, because although it has a tinier aperture and a lower resolution camera in the back, it also counts with a bigger camera sensor taking higher quality pictures and videos and a way higher 3840x2160 (4K) video definition.
Samsung Galaxy J7 Refine features just a bit longer battery life than Xiaomi Mi Mix 3, because it has a 3 percent more battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.