Compare phones
| Global Score | |
| 80.2 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2015-08-21 | 2019-12-27 |
| 6.03 x 3.00 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 6.03 ounces | 6.07 ounces |
| Black sapphire, Gold platinum, Silver titan and White pearl | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 515 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7420 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2100 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-T760 MP8 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 14.14 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 2560 x 1440 (60 fps) (Quad HD / 2K) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.01 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | 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 has a global score of 85.5, which is just a bit better than Galaxy Note5's general score of 80.2. Galaxy A51's body is newer than Galaxy Note5's, although it is just a little thicker and just a bit heavier. The Samsung Galaxy Note5 counts with a bit sharper screen than Galaxy A51, because although it has a bit smaller screen, it also counts with a better screen pixel density and a higher 1440 x 2560px resolution.
Galaxy A51 features a bit more powerful processor than Galaxy Note5. They have a 4 GB RAM and 8 processing cores. Galaxy A51 counts with a better camera than Galaxy Note5, because although it has a smaller aperture which is not nice for capturing photographs or video in low-light situations, and they both have the same video frame rates and the same video resolution, the Galaxy A51 also counts with a way bigger sensor providing a much better image quality and a camera in the back with lot more megapixels.
Galaxy A51 counts with a lot bigger storage to install games and applications than Galaxy Note5, because it has a SD memory card expansion slot that allows up to 512 GB and 64 GB more internal storage. Galaxy A51 counts with greater battery duration than Galaxy Note5, because it has a 4000mAh battery capacity against 3000mAh.
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