Compare phones
| Global Score | |
| 78.8 | 91.8 |
| Basic Information | |
| Samsung | |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-05-07 | 2021-01-29 |
| 5.96 x 2.76 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 5.19 ounces | 6.03 ounces |
| Black, Purple and White | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 186.00 | $ 722.00 |
| Display / Screen | |
| 5.6 inches | 6.2 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| OLED | Dynamic AMOLED |
| 441 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 670 SDM670 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 615 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 12.20 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 is much better than the Google Pixel 3a, having a 91.8 score against 78.8. Both phones in our current comparison use the same Android 11 OS, so you shouldn't notice any difference regarding that. The Samsung Galaxy S21 body is newer and a bit thinner than Google Pixel 3a's, but it's also somewhat heavier.
The Galaxy S21 has just a bit better performance than Google Pixel 3a, and although they both have 8 cpu cores, the Galaxy S21 also has a larger amount of RAM memory. Samsung Galaxy S21 counts with a better looking screen than Google Pixel 3a, because although it has a little bit lower pixel number in each screen inch, it also counts with a little bit higher resolution of 1080 x 2400px and a quite larger display.
Galaxy S21 has a lot bigger storage capacity for applications and games than Google Pixel 3a, because it has 128 GB internal memory. Galaxy S21 takes much better photos and videos than Google Pixel 3a, because although it has a camera with a worse 12 mega-pixels resolution, and they both have a F1.8 diafragm aperture, the Galaxy S21 also counts with a lot bigger sensor providing a lot better image quality and a lot better video resolution.
Samsung Galaxy S21 features superior battery life than Google Pixel 3a, because it has a 4000mAh battery capacity.
Although Galaxy S21 is a better device, it is a lot more expensive than Google Pixel 3a, and it doesn't have such a good relation between it's price and quality as the Google Pixel 3a. If you want to save some dollars, you can get the Google Pixel 3a, giving up a couple features and specs, but you will get the most with your budget.
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