Compare phones
| Global Score | |
| 74.6 | 87.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | -- |
| -- | 2018-08-24 |
| 6.04 x 3.04 x 0.32 inches | 6.37 x 3.01 x 0.35 inches |
| 6.14 ounces | 7.09 ounces |
| 16 777 216 | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 457.00 |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 267 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.7 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| ARM Mali-G71 GPU | Adreno 630 GPU |
| 8.82 | 9.63 |
| 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 | 12.00 MP + 8.00 MP |
| f/1.90 aperture | f/1.50 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 10.23 |
| 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 |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy Note9 is better than Samsung Galaxy J7 Duo, getting an 87.1 score against 74.6. Although it's the best in this review, Galaxy Note9's design is just a bit thicker and somewhat heavier than Samsung Galaxy J7 Duo. Galaxy Note9 features a little bit better performance than Galaxy J7 Duo, and although they both have 8 CPU cores, the Galaxy Note9 also has more RAM memory.
Galaxy Note9 has a much sharper display than Galaxy J7 Duo, because it has a way better resolution of 1440 x 2960px, a lot higher screen density and a larger screen. Galaxy Note9 features a much greater memory capacity to install games and applications than Galaxy J7 Duo, because it has more internal storage capacity and a slot for an external memory card that holds up to 512 GB.
Samsung Galaxy Note9 has better battery lifetime than Galaxy J7 Duo, because it has a 33 percent larger battery size. The Galaxy Note9 takes much clearer photographs and videos than Samsung Galaxy J7 Duo, because although it has a camera in the back with a lower 12 mega-pixels resolution, it also counts with a way larger diafragm aperture to capture better low-light photography and videos, a larger camera sensor shooting higher quality photos and a way better 3840x2160 video resolution.
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