Compare phones
| Global Score | |
| 81.3 | 87.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-04-27 | 2018-08-24 |
| 6.27 x 2.88 x 0.34 inches | 6.37 x 3.01 x 0.35 inches |
| 6.53 ounces | 7.09 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 457.00 |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 630 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.50 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 10.89 | 10.23 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Galaxy Note9 has an overall score of 87.1, which is slightly better than Samsung Galaxy A31's 81.3 global score. The Galaxy Note9 is better than Samsung Galaxy A31, we must note that it is also an older, just a little heavier and just a little thicker phone. The Galaxy Note9 has a bit superior CPU than Galaxy A31, and although they both have 8 cores, the Galaxy Note9 also has a larger amount of RAM.
Galaxy Note9 has a bit better screen than Samsung Galaxy A31, and although they both have a same size screen, the Galaxy Note9 also has a greater pixel density and a better 1440 x 2960 resolution. Galaxy Note9 has a superior memory capacity to install applications and games than Samsung Galaxy A31, and although they both have a SD extension slot that admits up to 512 GB, the Galaxy Note9 also has more internal memory capacity.
Galaxy A31 features superior battery performance than Galaxy Note9, because it has a 25% more battery size. The Samsung Galaxy A31 features a bit better camera than Samsung Galaxy Note9, because although it has a way smaller camera aperture and lower video frame rates, and they both have the same (Full HD) video resolution, the Samsung Galaxy A31 also counts with a back facing camera with way more mega pixels and a much larger back-facing camera sensor providing a much higher image quality.
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