Compare phones
| Global Score | |
| 72.5 | 78.8 |
| Basic Information | |
| Samsung | Microsoft |
| -- | Android 10 |
| 2018-07-13 | 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 |
| Black | Glacier |
| Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 230.00 | $ 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 7870 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 (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh 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 a little bit better than the Samsung Galaxy J7 (2018), getting a 78.8 score against 72.5. Although the Microsoft Surface Duo is much heavier than Samsung Galaxy J7 (2018), it's much thinner and also noticeably newer. Microsoft Surface Duo features a sharper screen than Galaxy J7 (2018), because it has a much better screen density, a much better 1800 x 2700 resolution and a way bigger display.
Microsoft Surface Duo counts with a slightly better storage to install applications and games than Galaxy J7 (2018), because although it has no external memory slot, it also counts with 128 GB internal memory. Microsoft Surface Duo features a better hardware performance than Galaxy J7 (2018), and although they both have a Octa-Core CPU, the Microsoft Surface Duo also has a greater amount of RAM.
Galaxy J7 (2018) captures just a bit better photos and videos than Microsoft Surface Duo, because although it has worse video frame rate, and they both have the same (Full HD) video resolution, the Galaxy J7 (2018) also counts with a back facing camera with more mega pixels and a bigger diafragm aperture for better low light photography.
Microsoft Surface Duo has just a bit better battery duration than Galaxy J7 (2018), because it has a 3577mAh battery capacity against 3300mAh.
Although Microsoft Surface Duo is a better device, it is a lot more expensive than the Samsung Galaxy J7 (2018), and it doesn't have such a good price and quality relation as Samsung Galaxy J7 (2018). So if you want that extra features and specs, you can buy Microsoft Surface Duo, else you can save some money and buy the Samsung Galaxy J7 (2018), giving up some features and specs.
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