| Global Score | |
| 71.6 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-01-20 | 2020-06-29 |
| 5.81 x 2.79 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 5.33 ounces | 6.81 ounces |
| Black, Blue and Red | Black |
| Plastic and Plastic | Plastic and Plastic |
| $ 100.00 | $ 194.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1520 x 720 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 295 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.4 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 439 SDM439 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 1950 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 3 GB RAM |
| Adreno 505 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.44 | 9.84 |
| Camera | |
| 13.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.32 inches (1/3.1") sensor | 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 |
| 8.91 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3000mAh 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 |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
The Galaxy A21 has a global score of 76.1, which is a bit better than the Samsung Galaxy A01's score of 71.6. Although Galaxy A21 and Samsung Galaxy A01 were released only a few months apart, the Galaxy A21 construction is a lot heavier but also just a little bit thinner. Both of these phones come with Android OS, but Galaxy A21 has an older 10 version while Samsung Galaxy A01 has Android 11.
The Galaxy A21 features a little faster processor than Samsung Galaxy A01, and although they both have a Octa-Core processor, the Galaxy A21 also has 1 GB more RAM. The Samsung Galaxy A01 counts with a bit better looking display than Galaxy A21, because although it has a bit smaller display and a little worse 720 x 1520 resolution, it also counts with a little higher pixel count per screen inch.
Samsung Galaxy A21 has a quite bigger memory to store more games and applications than Galaxy A01, and although they both have a slot for an external memory card that holds a maximum of 512 GB, the Samsung Galaxy A21 also has more internal memory. Galaxy A21 features a bit better camera than Galaxy A01, and although they both have the same video resolution and the same 30 frames per second video frame rate, the Galaxy A21 also has a back camera with more MP, a larger diafragm aperture for better low-light images and video and a larger back-facing camera sensor which offers a higher image and video quality.
The Galaxy A21 has superior battery duration than Galaxy A01, because it has a 33% more battery capacity.
Although Galaxy A21 is a better device, it is a lot more expensive than Samsung Galaxy A01, and it doesn't have such a good quality/price relation as the Samsung Galaxy A01. If you want to save some dollars, you can buy Samsung Galaxy A01, giving up a couple features, but you'll get the most out of your money.
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