Compare phones
| Global Score | |
| 82.9 | 77.7 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 10 |
| 2020-08-20 | 2020-06-19 |
| 5.67 x 2.73 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 5.04 ounces | 6.77 ounces |
| Just black | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 349.00 | -- |
| Display / Screen | |
| 5.8 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| OLED | TFT |
| 444 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AA chipset | Samsung Exynos 850 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 12.20 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 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 | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3140mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Google Pixel 4a is slightly better than Galaxy A21s, getting an 82.9 score against 77.7. Google Pixel 4a's construction is a bit thinner and much lighter than the Galaxy A21s, although they were only released with a couple of months difference. These phones include Android OS (Operating System), but Google Pixel 4a has newer 11 version and Galaxy A21s has Android 10.
Google Pixel 4a counts with a bit faster CPU than Galaxy A21s, and although they both have the same number of cores, the Google Pixel 4a also has 3 GB more RAM. The Google Pixel 4a counts with a much better display than Galaxy A21s, because although it has a quite smaller screen, it also counts with a much better pixel density and a lot higher resolution of 1080 x 2340.
The Google Pixel 4a counts with a bit bigger memory capacity to install games and applications than Samsung Galaxy A21s, because although it has no slot for external memory cards, it also counts with 128 GB internal storage. The Samsung Galaxy A21s counts with a much better battery lifetime than Google Pixel 4a, because it has 5000mAh of battery capacity.
Samsung Galaxy A21s counts with a better camera than Google Pixel 4a, because although it has a smaller aperture which is not recommended for shooting photographs and videos in poorly lited environments, and they both have the same 30 fps video frame rate and the same (Full HD) video quality, the Samsung Galaxy A21s also counts with a much more mega-pixels camera and a much bigger sensor taking more light and vivid colors.
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