Compare phones
| Global Score | |
| 73.7 | 76.1 |
| Basic Information | |
| Samsung | |
| -- | Android 10 |
| 2015-10-20 | 2020-06-29 |
| 5.79 x 2.86 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 4.80 ounces | 6.81 ounces |
| Black, Blue and White | Black |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 429.00 | $ 194.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 808 MSM8992 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Hexa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 3 GB RAM |
| Adreno 418 GPU | PowerVR GE8320 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 9.84 |
| Camera | |
| 12.30 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | -- |
| 9.79 | 9.35 |
| 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 |
| 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
Galaxy A21 has a score of 76.1, which is slightly better than the Google Nexus 5X's 73.7 global score. The Galaxy A21 design is newer than Google Nexus 5X's, but it is a bit thicker and notably heavier. The Google Nexus 5X features a much better screen than Samsung Galaxy A21, because although it has a much smaller display, it also counts with a better 1080 x 1920 pixels resolution and a much greater display pixel density.
Galaxy A21 features a little better hardware performance than Google Nexus 5X, because it has a larger number of faster cores and a greater amount of RAM. Galaxy A21 features much more storage capacity to install applications and games than Google Nexus 5X, and although they both have the same 32 GB internal memory capacity, the Galaxy A21 also has a slot for SD memory cards that supports up to 512 GB.
Galaxy A21 features a very superior battery life than Google Nexus 5X, because it has a 4000mAh battery capacity. The Google Nexus 5X takes a bit better photos and videos than Galaxy A21, because although it has a smaller aperture which is not good for low light photos and video and a back camera with a way lower 12.3 megapixels resolution, it also counts with a way better (4K) video definition and a lot larger back camera sensor taking more light and vivid colors.
In addition to being the best phone in this comparison, Samsung Galaxy A21 is also a bargain compared to the other devices, which makes it a no doubt choice.
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