Compare phones
| Global Score | |
| 82.9 | 84.1 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 11, 10 |
| 2020-08-20 | 2020-03-23 |
| 5.67 x 2.73 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 5.04 ounces | 6.63 ounces |
| Just black | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 349.00 | -- |
| Display / Screen | |
| 5.8 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| OLED | Super AMOLED |
| 444 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.3 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AA chipset | Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.20 MP + 8.00 MP | 48.00 MP + 20.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 has a general score of 84.1, which is a little bit better than the Google Pixel 4a's 82.9 global score. The Galaxy M21 is better than Google Pixel 4a, we must highlight that it is also a much heavier and just a bit thicker phone. Both phones in this review have the same Android 11 operating system, so you shouldn't notice any differences regarding operating system features.
Galaxy M21 has a little more vivid screen than Google Pixel 4a, because although it has a bit worse quantity of pixels per inch in the screen, and they both have exactly the same 1080 x 2340 resolution, the Galaxy M21 also counts with a bit larger screen. The Galaxy M21's CPU is very similar to the Google Pixel 4a one, and although the Galaxy M21 has 2 GB lesser RAM memory, they both have a Octa-Core processing unit.
Galaxy M21 has a bigger storage capacity for apps and games than Google Pixel 4a, because although it has only 64 GB internal storage capacity, it also counts with a SD memory slot that allows up to 512 GB. The Galaxy M21 has a much better battery performance than Google Pixel 4a, because it has 6000mAh of battery capacity against 3140mAh.
The Galaxy M21 counts with a better camera than Google Pixel 4a, because although it has a smaller aperture, and they both have the same 30 frames per second video frame rates and the same (4K) video quality, the Galaxy M21 also counts with a much bigger sensor shooting way higher quality videos and photographs and a camera in the back with much more megapixels.
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