Compare phones
| Global Score | |
| 84.1 | 78.9 |
| 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 | 6.30 x 3.00 x 0.32 inches |
| 6.63 ounces | 5.89 ounces |
| Midnight blue and Raven black | Black, Purple and White |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 167.00 |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 402 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| 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 | 3700mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.68 |
| 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
Galaxy M21 is a bit better than Google Pixel 3a XL, having an 84.1 score against 78.9. Both of these phones work with the same Android 11 operating system. The Galaxy M21 body is newer, but just a bit thicker and heavier than Google Pixel 3a XL. The Galaxy M21 features a bit more powerful processor than Google Pixel 3a XL. They have a Octa-Core CPU and a 4 GB RAM.
Samsung Galaxy M21 features a little more vivid screen than Google Pixel 3a XL, because it has a little higher resolution of 1080 x 2340 pixels, a little bit greater quantity of pixels per screen inch and a little bit bigger display. The Galaxy M21 has a lot bigger memory for games and applications than Google Pixel 3a XL, and although they both have equal 64 GB internal memory, the Galaxy M21 also has an external memory card slot that admits a maximum of 512 GB.
Galaxy M21 captures much clearer videos and photos than Google Pixel 3a XL, because although it has a tinier aperture, and they both have the same 3840x2160 video resolution and the same 30 frames per second video frame rate, the Galaxy M21 also counts with a way bigger back camera sensor taking more light and vivid colors and a lot more MP camera.
The Galaxy M21 has a superior battery life than Google Pixel 3a XL, because it has 6000mAh of battery capacity.
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