Compare phones
| Global Score | |
| 74.6 | 85.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | -- |
| -- | 2018-11-15 |
| 6.04 x 3.04 x 0.32 inches | 6.40 x 3.03 x 0.31 inches |
| 6.14 ounces | 6.46 ounces |
| 16 777 216 | Bubblegum pink, Caviar black and Lemonade blue |
| Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1280 x 720 pixels (HD) | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 512 GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 13.00 MP + 8.00 MP | 24.00 MP + 24.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 27.00mm focal length | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.02 | 10.45 |
| 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 | 3800mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.76 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A9 (2018) is better than the Galaxy J7 Duo, getting a score of 85.2 against 74.6. Galaxy A9 (2018)'s body is a little thinner but just a little heavier than Galaxy J7 Duo. Samsung Galaxy A9 (2018) has just a little better performance than Galaxy J7 Duo, and although they both have the same number of cores, the Samsung Galaxy A9 (2018) also has more RAM memory.
The Galaxy A9 (2018) features a sharper display than Galaxy J7 Duo, because it has a way better resolution of 1080 x 2220 pixels, a little larger display and a higher amount of pixels per inch in the display. Galaxy A9 (2018) features a much greater memory for applications and games than Galaxy J7 Duo, because it has more internal memory capacity and a SD memory slot that holds a maximum of 512 GB.
Samsung Galaxy A9 (2018) has greater battery life than Galaxy J7 Duo, because it has a 27 percent more battery capacity. The Galaxy A9 (2018) counts with a better camera than Samsung Galaxy J7 Duo, because it has a bigger aperture for better captures and video in low-light environments, a larger sensor capturing higher quality videos and pictures, a much more megapixels camera in the back and a way higher video definition.
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