Compare phones
| Global Score | |
| 84.1 | 78.8 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-03-23 | 2019-05-07 |
| 6.26 x 2.96 x 0.35 inches | 5.96 x 2.76 x 0.32 inches |
| 6.63 ounces | 5.19 ounces |
| Midnight blue and Raven black | Black, Purple and White |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 186.00 |
| Display / Screen | |
| 6.4 inches | 5.6 inches |
| 2340 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 441 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 615 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 7.7 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.20 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 is a bit better than the Google Pixel 3a, getting a global score of 84.1 against 78.8. These phones work with the same Android 11 operating system, so you shouldn't notice any differences regarding OS features. Galaxy M21 is a newer cellphone than the Google Pixel 3a, although it is noticeably heavier and just a bit thicker.
The Galaxy M21 has a bit more vivid screen than Google Pixel 3a, because although it has a just a bit inferior pixels amount per screen inch, it also counts with a bit larger display and a quite better resolution of 1080 x 2340 pixels. Galaxy M21 features just a bit better performance than Google Pixel 3a. Both of them have the same number of cores and 4 GB of RAM.
Samsung Galaxy M21 has a much better camera than Google Pixel 3a, because although it has a smaller diafragm aperture, and they both have the same 3840x2160 video definition and the same 30 fps video frame rate, the Samsung Galaxy M21 also counts with a camera with a lot higher resolution and a lot larger sensor providing a much better image quality.
Galaxy M21 features a superior storage capacity for games and applications than Google Pixel 3a, and although they both have exactly the same 64 GB internal storage, the Galaxy M21 also has a SD extension slot that supports a maximum of 512 GB. The Samsung Galaxy M21 counts with a very superior battery duration than Google Pixel 3a, because it has 6000mAh of battery capacity.
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