Compare phones
| Global Score | |
| 76.1 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-06-29 | 2019-05-07 |
| 6.61 x 3.02 x 0.32 inches | 5.96 x 2.76 x 0.32 inches |
| 6.81 ounces | 5.19 ounces |
| Black | Black, Purple and White |
| Plastic and Plastic | Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 186.00 |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 1600 x 720 pixels | 2220 x 1080 pixels |
| IPS LCD | OLED |
| 270 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 615 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 12.20 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 28.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Google Pixel 3a is a little bit better than Samsung Galaxy A21, with a 78.8 score against 76.1. Both of these phones use Android OS, but the Google Pixel 3a has 11 version while Samsung Galaxy A21 has Android 10 version. Google Pixel 3a is a noticeably lighter cellphone than Samsung Galaxy A21, but both have the same thickness.
The Google Pixel 3a features a better screen than Galaxy A21, because although it has a quite smaller display, it also counts with a much higher resolution of 1080 x 2220 and a much better pixels density. Samsung Galaxy A21 counts with a bit faster processing unit than Google Pixel 3a, although it has lesser RAM memory, they both have a Octa-Core processor.
Galaxy A21 counts with a much greater storage capacity to store more games and applications than Google Pixel 3a, because although it has 0 less internal storage capacity, it also counts with a slot for an external memory card that supports a maximum of 512 GB. Google Pixel 3a shoots a little bit better photos and videos than Samsung Galaxy A21, because although it has a back camera with way less mega-pixels, and they both have a same size aperture, the Google Pixel 3a also counts with a bigger camera sensor and a way better (4K) video quality.
The Galaxy A21 counts with improved battery lifetime than Google Pixel 3a, because it has a 4000mAh battery size.
Even being the best phone of the ones we are comparing, the Google Pixel 3a is also cheap compared to the Galaxy A21, making it easy to pick between these devices.
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