Compare phones
| Global Score | |
| 75.8 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-01-13 | 2020-06-29 |
| 5.75 x 2.81 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 5.61 ounces | 6.81 ounces |
| Black sky, Blue mist, Gold sand and Peach cloud | Black |
| Glass and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 424 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Samsung Exynos 7 Octa 7880 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-T830 MP3 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 16.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.24 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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 | FM Radio |
Comparison review
Samsung Galaxy A21 has a general score of 76.1, which is a little bit better than the Samsung Galaxy A5 (2017)'s global score of 75.8. Samsung Galaxy A21 is a a lot newer phone than Samsung Galaxy A5 (2017), but it is just a bit thicker and heavier. The Galaxy A5 (2017) has a brighter display than Galaxy A21, because although it has a much smaller screen, it also counts with a lot greater display pixels density and a higher resolution of 1080 x 1920 pixels.
The Galaxy A21 counts with a greater memory capacity for games and applications than Galaxy A5 (2017), and although they both have exactly the same 32 GB internal storage capacity, the Galaxy A21 also has an external memory slot that supports up to 512 GB. Galaxy A21 features a bit more powerful processor than Samsung Galaxy A5 (2017). Both of them have the same number of cores and a 3 GB RAM memory.
Galaxy A21 features a little bit better camera than Samsung Galaxy A5 (2017), and although they both have the same 30 fps video frame rate, the same 1920x1080 (Full HD) video quality and a same resolution back facing camera, the Galaxy A21 also has a bigger aperture to take better low light captures and videos.
Galaxy A21 features longer battery duration than Samsung Galaxy A5 (2017), because it has a 33 percent larger battery size.
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