Compare phones
| Global Score | |
| 72.7 | 85.3 |
| Basic Information | |
| Samsung | Microsoft |
| Android 8.0 Oreo | Android 11 |
| 2018-06-29 | 2021-09-20 |
| 6.03 x 3.00 x 0.34 inches | 5.72 x 7.26 x 0.22 inches |
| 6.38 ounces | 10.02 ounces |
| 16 777 216 | Glacier and Obsidian |
| -- | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 5.5 inches | 8.3 inches |
| 1280 x 720 pixels (HD) | 2688 x 1892 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.8 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 660 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 | 12.00 MP + 12.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | 27.00mm 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 |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.13 | 10.01 |
| 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 | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Microsoft Surface Duo 2 has a score of 85.3, which is much better than Galaxy J7 Refine's score of 72.7. Both of these phones come with Android OS, but Microsoft Surface Duo 2 has 11 version while Galaxy J7 Refine has Android 8.0 Oreo version. The Microsoft Surface Duo 2 is a noticeably newer and notably thinner phone than the Galaxy J7 Refine, but it is also extremely heavier.
Microsoft Surface Duo 2 features a more powerful processor than Galaxy J7 Refine, and although they both have the same number of cores, the Microsoft Surface Duo 2 also has 6 GB more RAM memory. Microsoft Surface Duo 2 features an incredibly better display than Galaxy J7 Refine, because it has a higher pixel density, a much bigger display and a much better resolution of 1892 x 2688.
Microsoft Surface Duo 2 features a slightly better storage capacity for apps and games than Samsung Galaxy J7 Refine, because although it has no slot for an external memory card, it also counts with more internal memory capacity. Microsoft Surface Duo 2 features better battery life than Galaxy J7 Refine, because it has a 4449mAh battery capacity.
Microsoft Surface Duo 2 captures clearer photographs and videos than Galaxy J7 Refine, because although it has a camera with a lower resolution, and they both have a same size aperture, the Microsoft Surface Duo 2 also counts with a way better (4K) video definition.
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