Compare phones
| Global Score | |
| 73.7 | 85.5 |
| Basic Information | |
| Samsung | |
| -- | Android 11, 10 |
| 2015-10-20 | 2019-12-27 |
| 5.79 x 2.86 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 4.80 ounces | 6.07 ounces |
| Black, Blue and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 429.00 | $ 282.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 808 MSM8992 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Hexa-Core 1800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Adreno 418 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 14.14 |
| Camera | |
| 12.30 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.79 | 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 | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 2700mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.64 | 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
The Galaxy A51 is much better than Google Nexus 5X, getting a overall score of 85.5 against 73.7. The Galaxy A51 design has the same thickness than the Google Nexus 5X, but it is incredibly heavier. Google Nexus 5X and Samsung Galaxy A51 count with very similar displays, because although the Samsung Galaxy A51 has a little bit inferior pixels count in each screen inch, it also counts with a slightly higher 1080 x 2400 resolution and a larger screen.
Samsung Galaxy A51 counts with a superior memory to install games and applications than Google Nexus 5X, because it has a slot for SD memory cards that supports a maximum of 512 GB and 128 GB internal memory capacity. Galaxy A51 counts with a little better performance than Google Nexus 5X, because it has 2 more cores and a greater amount of RAM.
The Galaxy A51 captures much clearer pictures and videos than Google Nexus 5X, and although they both have the same video frame rates, the same 3840x2160 (4K) video definition and the same diafragm aperture, the Galaxy A51 also has a larger sensor which offers a higher photo and video quality and a much higher 48 mega-pixels resolution back-facing camera.
The Samsung Galaxy A51 counts with a very superior battery lifetime than Google Nexus 5X, because it has 4000mAh of battery capacity against 2700mAh.
Despite of being the best phone between the ones we are comparing here, Galaxy A51 is also by far the cheapest one, making this phone an obvious call.
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