Compare phones
| Global Score | |
| 72.7 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 11 |
| 2018-06-29 | 2021-08-10 |
| 6.03 x 3.00 x 0.34 inches | 6.40 x 2.97 x 0.31 inches |
| 6.38 ounces | 7.94 ounces |
| 16 777 216 | Ceramic Black, Ceramic White and Shadow Gray |
| -- | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 660 GPU |
| 8.73 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 108.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 28.00mm focal length | 24.00mm 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 | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 9.13 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 10.6 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix 4 is a lot better than Galaxy J7 Refine, having a general score of 89 against 72.7. These phones work with Android OS, but Xiaomi Mi Mix 4 has an older 11 version and Galaxy J7 Refine has Android 8.0 Oreo version. Although Xiaomi Mi Mix 4 is somewhat heavier than Galaxy J7 Refine, it's just a little bit thinner and much newer.
Xiaomi Mi Mix 4 counts with a brighter screen than Galaxy J7 Refine, because it has a much higher resolution of 1080 x 2400, a larger display and a higher display density. The Xiaomi Mi Mix 4 has a little bit more storage capacity for games and applications than Galaxy J7 Refine, because although it has no SD extension slot, it also counts with 96 GB more internal memory.
Xiaomi Mi Mix 4 features a greater processing power than Samsung Galaxy J7 Refine, and although they both have the same number of cores, the Xiaomi Mi Mix 4 also has a larger amount of RAM memory. Xiaomi Mi Mix 4 features longer battery life than Samsung Galaxy J7 Refine, because it has 4500mAh of battery capacity instead of 3300mAh.
The Xiaomi Mi Mix 4 takes way better videos and photos than Galaxy J7 Refine, because although it has a smaller aperture which is not favorable for capturing photographs and/or video in poorly lited environments, it also counts with a back facing camera with a lot higher resolution, a lot better 7680x4320 video quality and a lot larger sensor taking lot better quality videos and photos.
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