Compare phones
| Global Score | |
| 85.5 | 77.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2019-12-27 | 2014-09-29 |
| 6.24 x 2.90 x 0.31 inches | 6.04 x 3.09 x 0.33 inches |
| 6.07 ounces | 6.21 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Gold, Pink and White |
| Plastic and Plastic | Aluminum and Plastic |
| 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 5433 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, 20 nm (Octa-Core 1900 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | Mali-T760 MP6 GPU |
| 9.27 | 9 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.14 | 8.12 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 3.70 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11.55 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3220mAh Li - Ion Battery |
| Non-Removable Battery | Removable Battery |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1, EDR |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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
Galaxy A51 has a general score of 85.5, which is much better than the Galaxy Note4's global score of 77.6. Galaxy A51 is a much newer cellphone, and it's also just a bit lighter and just a little thinner than Galaxy Note4. The Samsung Galaxy A51 features a bit more powerful processor than Galaxy Note4, and although they both have the same number of cores, the Samsung Galaxy A51 also has a higher amount of RAM memory.
Samsung Galaxy Note4 counts with just a bit better looking screen than Samsung Galaxy A51, because although it has a bit smaller screen, it also counts with a higher resolution of 1440 x 2560 and a higher screen pixel density. The Galaxy A51 counts with a lot bigger memory capacity to install applications and games or saving photos and videos than Galaxy Note4, because it has 128 GB internal storage capacity and a slot for SD memory cards that supports a maximum of 512 GB.
The Galaxy A51 shoots much better videos and photos than Galaxy Note4, and although they both have the same 30 frames per second video frame rate and the same 3840x2160 (4K) video resolution, the Galaxy A51 also has a larger aperture for better images and videos in low-light environments, a much bigger camera sensor taking much higher quality photos and videos and a much higher 48 megapixels resolution back facing camera.
The Galaxy A51 features better battery life than Samsung Galaxy Note4, because it has a 4000mAh battery capacity instead of 3220mAh.
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