Compare phones
| Global Score | |
| 74.6 | 83.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 10, 9.0 Pie, 8.0 Oreo |
| -- | 2018-06-05 |
| 6.04 x 3.04 x 0.32 inches | 6.10 x 2.94 x 0.30 inches |
| 6.14 ounces | 6.17 ounces |
| 16 777 216 | Black, Blue, Gold and White |
| Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1280 x 720 pixels (HD) | 2248 x 1080 pixels |
| Super AMOLED | AMOLED |
| 267 pixels per inch | 402 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 |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 630 GPU |
| 8.82 | 9.63 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 8.88 | 13.3 |
| Camera | |
| 13.00 MP + 8.00 MP | 12.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 56.00mm 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 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 3400mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.36 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 8 is better than the Samsung Galaxy J7 Duo, getting a overall score of 83.3 against 74.6. Both of these devices have Android OS (Operating System), but the Xiaomi Mi 8 has 10 version while Samsung Galaxy J7 Duo has Android 8.0 Oreo version. The Xiaomi Mi 8 is a just a bit heavier but just a little bit thinner device than Samsung Galaxy J7 Duo.
Xiaomi Mi 8 features a much better display than Samsung Galaxy J7 Duo, because it has a little bigger screen, a much better resolution of 1080 x 2248 and a way better pixel number per inch of display. Xiaomi Mi 8 features much more memory to store more apps and games than Galaxy J7 Duo, because although it has no slot for external memory cards, it also counts with 256 GB internal storage.
The Xiaomi Mi 8 has a bit more powerful CPU than Galaxy J7 Duo, and although they both have a Octa-Core processor, the Xiaomi Mi 8 also has more RAM. The Xiaomi Mi 8 has a bit better camera than Galaxy J7 Duo, because although it has a camera in the back with less MP resolution, it also counts with a larger aperture for better captures in poorly lited situations, a bigger camera sensor taking higher quality videos and photographs and a way better video quality.
The Xiaomi Mi 8 has a little better battery lifetime than Galaxy J7 Duo, because it has a 3400mAh battery capacity against 3000mAh.
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