| Global Score | |
| 73.2 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3 | Android 10 |
| 0000-00-00 | 2020-06-29 |
| 5.95 x 3.13 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 5.43 ounces | 6.81 ounces |
| Brown | Black |
| -- | Plastic and Plastic |
| $ 95.00 | $ 194.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 386 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 chipset | Mediatek Helio P35 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.56 | 9.84 |
| Camera | |
| 13.00 MP + 2.00 MP | 16.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 6.93 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, EDGE and GPRS | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM |
| 5.9 | 6.7 |
| Battery Life | |
| 2800mAh Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 370 hours standby time 16 hours talk time | -- |
| 4.8 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy A21 has a score of 76.1, which is a little bit better than Samsung Galaxy Round's general score of 73.2. These phones include Android OS (Operating System), but Samsung Galaxy A21 has a newer 10 version while Samsung Galaxy Round has Android 4.3 version, giving a lot of extra features. Samsung Galaxy A21's body is a lot heavier and just a little bit thicker than Samsung Galaxy Round.
Galaxy Round has a way better display than Samsung Galaxy A21, because although it has a little smaller screen, it also counts with a higher resolution of 1920 x 1080 and a greater pixels amount in each inch in the display. Samsung Galaxy A21 counts with much more memory for apps and games than Galaxy Round, and although they both have equal 32 GB internal storage, the Samsung Galaxy A21 also has a SD extension slot that admits a maximum of 512 GB.
The Samsung Galaxy A21's processor is very similar to Samsung Galaxy Round's processing unit, because although the Samsung Galaxy A21 has doesn't have an additional graphics processing unit, and they both have the same RAM memory amount, it also counts with a higher number of cores. The Galaxy A21 has a very superior battery performance than Galaxy Round, because it has 4000mAh of battery capacity.
The Galaxy A21 has a way better camera than Galaxy Round, because it has a more MP back facing camera.
Although Galaxy A21 is a better device, it costs a lot more than the Galaxy Round, and it doesn't have such a good relation between it's price and quality as Galaxy Round. If you prefer to save some money, you can buy Galaxy Round, giving up a few specs and features, but you will get the most with your money.
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