Compare phones
| Global Score | |
| 90.8 | 87.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-04-29 | 2018-08-24 |
| 6.26 x 2.90 x 0.34 inches | 6.37 x 3.01 x 0.35 inches |
| 6.60 ounces | 7.09 ounces |
| Prism cube black | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 457.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 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 |
| FM Radio | -- |
Comparison review
The Galaxy A51 5G has a global score of 90.8, which is a little bit better than Galaxy Note9's 87.1 global score. The Galaxy A51 5G is a newer cellphone, and it is also a little bit thinner and just a little lighter than Galaxy Note9. Galaxy Note9 has a little more vivid display than Samsung Galaxy A51 5G, because although it has a little bit smaller display, it also counts with a higher 1440 x 2960 resolution and a higher display density.
Samsung Galaxy Note9 counts with a bit faster CPU than Galaxy A51 5G. Both of them have a 6 GB RAM memory and 8 CPU cores. Galaxy A51 5G has just a bit more memory to store more games and applications than Galaxy Note9, and although they both have exactly the same internal memory, the Galaxy A51 5G also has a SD memory slot that admits a maximum of 1000 GB.
Galaxy A51 5G takes much clearer photographs and videos than Samsung Galaxy Note9, because although it has a way smaller aperture which is not so good for low-light photos and videos and worse video frame rate, and they both have the same 3840x2160 (4K) video definition, the Galaxy A51 5G also counts with a lot more MP back camera and a way bigger camera sensor capturing more light and vivid colors.
The Galaxy A51 5G features just a bit longer battery duration than Galaxy Note9, because it has a 4500mAh battery capacity.
The Samsung Galaxy A51 5G is not only the best phones between the ones we are comparing, but it's also a bargain compared to others.
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