Compare phones
| Global Score | |
| 84.1 | 82.9 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 11, 10 |
| 2020-03-23 | 2020-08-20 |
| 6.26 x 2.96 x 0.35 inches | 5.67 x 2.73 x 0.32 inches |
| 6.63 ounces | 5.04 ounces |
| Midnight blue and Raven black | Just black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 349.00 |
| Display / Screen | |
| 6.4 inches | 5.8 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 444 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.3 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 730G SM7150-AA chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.20 MP + 8.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3140mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 Samsung Galaxy M21 has a score of 84.1, which is a little bit better than the Google Pixel 4a's general score of 82.9. Although it's the best in this review, Samsung Galaxy M21's design is a lot heavier and a bit thicker than Google Pixel 4a. Both of these phones come with the same Android 11 OS, so you shouldn't perceive any differences in that aspect.
The Google Pixel 4a's CPU is very similar to the processing unit in Samsung Galaxy M21, and although the Google Pixel 4a has a greater amount of RAM memory, they both have 8 cores. Galaxy M21 features a bit better display than Google Pixel 4a, because although it has a just a little lower display pixels density, and they both have the same resolution of 1080 x 2340 pixels, the Galaxy M21 also counts with a bit larger screen.
The Samsung Galaxy M21 counts with a superior camera than Google Pixel 4a, because although it has a tinier camera aperture which is not favorable for shooting photographs and/or video in low light environments, and they both have the same video frame rates and the same 3840x2160 (4K) video resolution, the Samsung Galaxy M21 also counts with a back camera with much more megapixels and a lot bigger camera sensor capturing more light and vivid colors.
The Galaxy M21 counts with a better storage capacity for games and applications than Google Pixel 4a, because although it has only 64 GB internal storage capacity, it also counts with a slot for an SD memory card that admits up to 512 GB. The Samsung Galaxy M21 features a much longer battery duration than Google Pixel 4a, because it has a 6000mAh battery size against 3140mAh.
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