Compare phones
| Global Score | |
| 85.5 | 80.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2019-12-27 | 2015-08-21 |
| 6.24 x 2.90 x 0.31 inches | 6.03 x 3.00 x 0.30 inches |
| 6.07 ounces | 6.03 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black sapphire, Gold platinum, Silver titan and White pearl |
| Plastic and Plastic | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 2400 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 7 Octa 7420 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2100 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-T760 MP8 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 7.7 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 2560 x 1440 (60 fps) (Quad HD / 2K) slow motion video |
| 11.55 | 10.01 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 has a general score of 85.5, which is a little bit better than the Galaxy Note5's general score of 80.2. Galaxy A51 is a much newer phone than the Galaxy Note5, although it is a bit heavier and just a little thicker. The Galaxy Note5 features a little bit better display than Galaxy A51, because although it has a little bit smaller display, it also counts with a higher pixels number per screen inch and a better resolution of 1440 x 2560 pixels.
The Galaxy A51 counts with just a little better processing power than Samsung Galaxy Note5. Both of them have the same RAM amount and a Octa-Core processor. Samsung Galaxy A51 counts with a much better storage to install applications and games or saving photos and videos than Galaxy Note5, because it has 128 GB internal memory capacity and a SD memory card expansion slot that holds a maximum of 512 GB.
The Galaxy A51 counts with a better camera than Galaxy Note5, because although it has a tinier aperture which is not nice for low light captures, and they both have the same 30 frames per second video frame rate and the same 3840x2160 (4K) video quality, the Galaxy A51 also counts with a back camera with much more megapixels and a much larger back camera sensor capturing more light and vivid colors.
Samsung Galaxy A51 counts with better battery duration than Galaxy Note5, because it has a 33% greater battery size.
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