Compare phones
| Global Score | |
| 72.7 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| Android 8.0 Oreo | Android 10 |
| 2018-06-29 | 2020-09-10 |
| 6.03 x 3.00 x 0.34 inches | 7.36 x 5.72 x 0.19 inches |
| 6.38 ounces | 8.82 ounces |
| 16 777 216 | Glacier |
| -- | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.1 inches |
| 1280 x 720 pixels (HD) | 2700 x 1800 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 401 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 640 GPU |
| 8.73 | 9.63 |
| 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 | 11.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 9.13 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3577mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Microsoft Surface Duo is just a bit better than the Galaxy J7 Refine, getting a 78.8 score against 72.7. Both phones we are comparing here work with Android OS (Operating System), but Microsoft Surface Duo has 10 version while Galaxy J7 Refine has Android 8.0 Oreo version. Microsoft Surface Duo's body is incredibly newer and way thinner than Galaxy J7 Refine's, although it is noticeably heavier.
Microsoft Surface Duo counts with a quite better performance than Galaxy J7 Refine, and although they both have a Octa-Core processing unit, the Microsoft Surface Duo also has 4 GB more RAM. Microsoft Surface Duo has a sharper display than Samsung Galaxy J7 Refine, because it has a lot higher 1800 x 2700 pixels resolution, a really larger screen and a much better pixels quantity per inch of display.
Galaxy J7 Refine takes just a bit better videos and photos than Microsoft Surface Duo, because although it has worse video frame rates, and they both have the same video resolution, the Galaxy J7 Refine also counts with a more mega pixels back facing camera and a larger aperture for better captures in low-light situations.
Microsoft Surface Duo features slightly more memory capacity to store more apps and games than Galaxy J7 Refine, because although it has no SD extension slot, it also counts with more internal memory. The Microsoft Surface Duo counts with just a bit better battery duration than Samsung Galaxy J7 Refine, because it has a 3577mAh battery capacity against 3300mAh.
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