Compare phones
| Global Score | |
| 91.8 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-01-29 | 2019-05-07 |
| 5.97 x 2.80 x 0.31 inches | 5.96 x 2.76 x 0.32 inches |
| 6.03 ounces | 5.19 ounces |
| Gray, Phantom pink, Violet and White | Black, Purple and White |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 186.00 |
| Display / Screen | |
| 6.2 inches | 5.6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 424 pixels per inch | 441 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 615 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 7.7 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.20 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 4.96 |
| 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 Galaxy S21 has a global score of 91.8, which is better than the Google Pixel 3a's 78.8 global score. Galaxy S21 is a newer and a little thinner phone than Google Pixel 3a, although it is somewhat heavier. Both phones in this comparison review have the same Android 11 OS (operating system), so both of them should provide the user the same OS features.
The Galaxy S21 counts with a little faster processor than Google Pixel 3a, and although they both have 8 cpu cores, the Galaxy S21 also has a higher amount of RAM memory. The Samsung Galaxy S21 counts with a more vivid display than Google Pixel 3a, because although it has a just a little lower pixel density, it also counts with a little bit bigger screen and a slightly higher resolution of 1080 x 2400.
Samsung Galaxy S21 counts with a much better storage capacity for applications and games than Google Pixel 3a, because it has 64 GB more internal storage capacity. The Galaxy S21 features longer battery performance than Google Pixel 3a, because it has 4000mAh of battery capacity. The Samsung Galaxy S21 shoots much clearer pictures and videos than Google Pixel 3a, because although it has a lower resolution back-facing camera, and they both have the same aperture, the Samsung Galaxy S21 also counts with a way better 7680x4320 video definition and a way bigger sensor which gives a lot higher image and video quality.
Although Samsung Galaxy S21 is a better device, it costs a lot more money than Google Pixel 3a, and it doesn't have such a good price and quality relation as the Google Pixel 3a. If you want to save some money, you can buy the Google Pixel 3a, letting go a couple features, but you'll get the most with your budget.
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