Compare phones
| Global Score | |
| 87.1 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-08-24 | 2020-04-29 |
| 6.37 x 3.01 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 7.09 ounces | 6.60 ounces |
| Cloud silver, Lavender purple, Midnight black and Ocean blue | Prism cube black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 457.00 | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2960 x 1440 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 514 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 980 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.50 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.23 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 5G is a little bit better than Galaxy Note9, getting a global score of 90.8 against 87.1. Galaxy A51 5G is a newer cellphone, and it's also a little bit thinner and just a little lighter than the Galaxy Note9. The Galaxy Note9 features just a bit better screen than Galaxy A51 5G, because although it has a quite smaller screen, it also counts with a greater number of pixels per display inch and a higher resolution of 1440 x 2960 pixels.
The Samsung Galaxy A51 5G features just a bit more memory to install applications and games or saving photos and videos than Samsung Galaxy Note9, and although they both have the same internal memory capacity, the Samsung Galaxy A51 5G also has a SD extension slot that supports a maximum of 1000 GB.
Galaxy Note9 counts with a little faster CPU than Samsung Galaxy A51 5G. Both of them have a Octa-Core processor and a 6 GB RAM. The Samsung Galaxy A51 5G counts with just a bit longer battery lifetime than Galaxy Note9, because it has a 4500mAh battery size. The Galaxy A51 5G shoots much better pictures and videos than Galaxy Note9, because although it has slower video frame rate and a way tinier diafragm aperture, and they both have the same 3840x2160 video quality, the Galaxy A51 5G also counts with a lot larger camera sensor and a back-facing camera with a way better resolution.
Galaxy A51 5G is not only the best phones of the ones we are comparing, but it's also a bargain compared to the other ones, making it an obvious call.
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