Compare phones
| Global Score | |
| 82.9 | 76.1 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 10 |
| 2020-08-20 | 2020-06-29 |
| 5.67 x 2.73 x 0.32 inches | 6.61 x 3.02 x 0.32 inches |
| 5.04 ounces | 6.81 ounces |
| Just black | Black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 349.00 | $ 194.00 |
| Display / Screen | |
| 5.8 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| OLED | IPS LCD |
| 444 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AA chipset | Mediatek Helio P35 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 | |
| 3140mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Google Pixel 4a has an overall score of 82.9, which is a bit better than the Galaxy A21's 76.1 global score. Both phones in this comparison review include Android OS (Operating System), but the Google Pixel 4a has the newer 11 version and Galaxy A21 has Android 10 version. The Google Pixel 4a design has the same thickness than Galaxy A21, but it's lighter.
The Galaxy A21 and Google Pixel 4a feature extremely similar CPUs, and although the Galaxy A21 has less RAM, they both have 8 CPU cores. Google Pixel 4a has a brighter screen than Galaxy A21, because although it has a bit smaller display, it also counts with a lot better screen pixels density and a much better 1080 x 2340px resolution.
Google Pixel 4a has just a bit bigger memory capacity for apps and games than Galaxy A21, because although it has no external SD slot, it also counts with 128 GB internal storage capacity. The Galaxy A21 features greater battery performance than Google Pixel 4a, because it has a 4000mAh battery size.
Google Pixel 4a features a little bit better camera than Galaxy A21, because although it has a lot worse 12.2 mega-pixels resolution back camera, it also counts with a lot higher (4K) video quality, a larger back-facing camera sensor and a bigger camera aperture for better low-light photos and videos.
Although Google Pixel 4a is a better device, it costs a lot more money than Galaxy A21, and it doesn't have such a good relation between it's price and quality as Galaxy A21. If you prefer to save some money, you can get the Galaxy A21, and give up a couple features and specs, but you will get the most with your money.
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