Compare phones
| Global Score | |
| 78.8 | 84.1 |
| Basic Information | |
| Samsung | |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-05-07 | 2020-03-23 |
| 5.96 x 2.76 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 5.19 ounces | 6.63 ounces |
| Black, Purple and White | Midnight blue and Raven black |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 186.00 | -- |
| Display / Screen | |
| 5.6 inches | 6.4 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| OLED | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 670 SDM670 chipset | Exynos 9611 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 615 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 12.20 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 28.00mm 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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
The Samsung Galaxy M21 is a little bit better than Google Pixel 3a, getting a overall score of 84.1 against 78.8. The Samsung Galaxy M21 construction is newer than the Google Pixel 3a's, but it is heavier and a bit thicker. Both devices we compare here have the same Android 11 OS (operating system).
Galaxy M21 counts with a bit more vivid screen than Google Pixel 3a, because although it has a just a little worse pixel density, it also counts with a bit higher 1080 x 2340 resolution and a bit bigger display. The Samsung Galaxy M21 features a way bigger memory capacity to install applications and games than Google Pixel 3a, and although they both have equal internal memory, the Samsung Galaxy M21 also has a slot for an SD memory card that allows a maximum of 512 GB.
Galaxy M21 features just a bit better performance than Google Pixel 3a. Both have the same RAM memory amount and the same number of cores. Samsung Galaxy M21 counts with a much better camera than Google Pixel 3a, because although it has a tinier aperture which is not recommended for capturing images or video in low light environments, and they both have the same (4K) video resolution and the same video frame rate, the Samsung Galaxy M21 also counts with a way larger back camera sensor and a way better resolution camera.
Galaxy M21 features a way better battery lifetime than Google Pixel 3a, because it has a 100 percent bigger battery size.
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