Compare phones
| Global Score | |
| 74.6 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 11 |
| -- | 2021-08-10 |
| 6.04 x 3.04 x 0.32 inches | 6.40 x 2.97 x 0.31 inches |
| 6.14 ounces | 7.94 ounces |
| 16 777 216 | Ceramic Black, Ceramic White and Shadow Gray |
| Plastic | 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 |
| Super AMOLED | 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 |
| 4 GB RAM | 8 GB RAM |
| ARM Mali-G71 GPU | Adreno 660 GPU |
| 8.82 | 9.72 |
| 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 | 108.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| 27.00mm 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 |
| 9.02 | 13.75 |
| 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 | Nano SIM, Dual SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix 4 is better than the Samsung Galaxy J7 Duo, getting an 89 score against 74.6. Xiaomi Mi Mix 4 is a a little bit thinner but way heavier phone than Samsung Galaxy J7 Duo. Both of these phones use Android OS, but Xiaomi Mi Mix 4 has the older 11 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo.
Xiaomi Mi Mix 4 features a superior processor than Samsung Galaxy J7 Duo, and although they both have 8 CPU cores, the Xiaomi Mi Mix 4 also has a higher amount of RAM memory. The Xiaomi Mi Mix 4 counts with a sharper screen than Galaxy J7 Duo, because it has a way better resolution of 1080 x 2400px, a better number of pixels per inch in the screen and a larger display.
Xiaomi Mi Mix 4 has a quite bigger memory to store more games and applications than Galaxy J7 Duo, because although it has no slot for SD memory cards, it also counts with 128 GB internal storage capacity. Xiaomi Mi Mix 4 has a much better battery duration than Galaxy J7 Duo, because it has a 4500mAh battery size against 3000mAh.
Xiaomi Mi Mix 4 shoots a lot better photographs and videos than Samsung Galaxy J7 Duo, and although they both have a same size aperture, the Xiaomi Mi Mix 4 also has a way larger camera sensor providing a lot better image quality, a lot higher 108 mega-pixels resolution camera and a way higher 7680x4320 video resolution.
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