Compare phones
| Global Score | |
| 78.8 | 85.2 |
| Basic Information | |
| Microsoft | Samsung |
| Android 10 | -- |
| 2020-09-10 | 2018-11-15 |
| 7.36 x 5.72 x 0.19 inches | 6.40 x 3.03 x 0.31 inches |
| 8.82 ounces | 6.46 ounces |
| Glacier | Bubblegum pink, Caviar black and Lemonade blue |
| Glass (Corning Gorilla Glass 5) | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.3 inches |
| 2700 x 1800 pixels | 2220 x 1080 pixels |
| AMOLED | Super AMOLED |
| 401 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Adreno 512 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 11.00 MP | 24.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 8.91 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3577mAh Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.52 | 5.76 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A9 (2018) is just a bit better than Microsoft Surface Duo, having a global score of 85.2 against 78.8. Despite of the fact the Samsung Galaxy A9 (2018) is older and extremely thicker than Microsoft Surface Duo, it's design is still extremely lighter. Microsoft Surface Duo counts with a slightly better looking screen than Samsung Galaxy A9 (2018), because it has a lot better resolution of 1800 x 2700 pixels, a bit greater amount of pixels per inch of screen and a larger screen.
The Microsoft Surface Duo has a little better hardware performance than Galaxy A9 (2018). They have the same RAM amount and 8 cpu cores. The Samsung Galaxy A9 (2018) has a better camera than Microsoft Surface Duo, because although it has lower video frame rate, and they both have the same 3840x2160 (4K) video quality, the Samsung Galaxy A9 (2018) also counts with a back-facing camera with a lot better 24 mega pixels resolution and a bigger camera aperture.
The Samsung Galaxy A9 (2018) counts with a superior storage for games and applications than Microsoft Surface Duo, and although they both have equal 128 GB internal memory capacity, the Samsung Galaxy A9 (2018) also has an external memory slot that allows a maximum of 512 GB. The Samsung Galaxy A9 (2018) has a bit superior battery lifetime than Microsoft Surface Duo, because it has a 3800mAh battery capacity instead of 3577mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.