Compare phones
| Global Score | |
| 77.7 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-06-19 | 2019-05-07 |
| 6.44 x 2.96 x 0.35 inches | 5.96 x 2.76 x 0.32 inches |
| 6.77 ounces | 5.19 ounces |
| Black, Blue, Red and White | Black, Purple and White |
| -- | Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 186.00 |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 1600 x 720 pixels | 2220 x 1080 pixels |
| TFT | OLED |
| 270 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.2 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Adreno 615 GPU |
| 9.09 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 7.7 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.20 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Google Pixel 3a is slightly better than Samsung Galaxy A21s, with a global score of 78.8 against 77.7. These phones work with Android OS (operating system), but Google Pixel 3a has the newer 11 version and Samsung Galaxy A21s has Android 10. Google Pixel 3a's body is extremely lighter and a little bit thinner than Samsung Galaxy A21s, despite of the fact that it was released a bit more more than a year before.
The Google Pixel 3a counts with a processing unit that's very similar to Samsung Galaxy A21s's CPU, and although the Google Pixel 3a has a greater amount of RAM memory, they both have the same number of cores. The Google Pixel 3a features a sharper screen than Galaxy A21s, because although it has a little bit smaller screen, it also counts with a lot higher 1080 x 2220 resolution and a lot greater amount of pixels per inch in the display.
The Galaxy A21s has a superior memory capacity for games and applications than Google Pixel 3a, because although it has only 32 GB internal memory, it also counts with a SD memory slot that holds up to 512 GB. Samsung Galaxy A21s counts with a much better battery life than Google Pixel 3a, because it has a 5000mAh battery size against 3000mAh.
Galaxy A21s shoots much clearer photographs and videos than Google Pixel 3a, because although it has a tinier aperture which is not favorable for low light captures, and they both have the same video quality and the same 30 fps video frame rate, the Galaxy A21s also counts with a much larger sensor which offers a much better image and video quality and a much more mega-pixels camera in the back.
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