Compare phones
| Global Score | |
| 76.9 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 11, 10 |
| 2019-04-26 | 2020-03-23 |
| 6.47 x 3.02 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.46 ounces | 6.63 ounces |
| Black, Blue, Pink and White | Midnight blue and Raven black |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 299.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Exynos 9611 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 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 612 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 3.52 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 is just a bit better than the Galaxy A70, getting an 84.1 score against 76.9. Both of these phones include Android OS, but the Galaxy M21 has a more recent 11 version and Galaxy A70 has Android 10 version, so it provides the user some additional features and a performance increase. Galaxy M21's body is newer, but a little heavier and thicker than Galaxy A70.
Galaxy M21 counts with a little bit better performance than Galaxy A70, although it has a lower amount of RAM, they both have a Octa-Core processing unit. Galaxy M21 has a little sharper display than Samsung Galaxy A70, because although it has a bit smaller screen and a bit lower resolution of 1080 x 2340, it also counts with a little greater pixel count in each inch in the screen.
Galaxy M21 takes much better videos and photos than Samsung Galaxy A70, because although it has a tinier aperture which is not recommended for taking photos and/or video in low-light situations, and they both have the same video frame rates and the same (4K) video quality, the Galaxy M21 also counts with a lot larger sensor shooting much higher quality photos and videos.
Samsung Galaxy A70 features a lot bigger memory capacity to store more apps and games than Galaxy M21, and although they both have a SD extension slot that holds a maximum of 512 GB, the Samsung Galaxy A70 also has more internal memory. The Galaxy M21 counts with superior battery duration than Samsung Galaxy A70, because it has a 6000mAh battery capacity against 4500mAh.
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