Compare phones
| Global Score | |
| 73.3 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-07-02 | 2020-03-23 |
| 6.42 x 3.00 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.24 ounces | 6.63 ounces |
| Black, Blue, Red and White | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 166.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 268 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Exynos 9611 chipset |
| Arm Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.91 | 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 | |
| 4000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 has a general score of 84.1, which is much better than the Galaxy A11's 73.3 score. Both devices we compare here use the same Android 11 operating system, so you shouldn't see any difference regarding operating system features. Samsung Galaxy M21 is a thicker and a little heavier phone than Galaxy A11.
Samsung Galaxy M21 features a more vivid screen than Galaxy A11, and although they both have a display of the same size, the Samsung Galaxy M21 also has a lot greater pixel number per display inch and a way better 1080 x 2340px resolution. Samsung Galaxy M21 counts with a greater memory to install applications and games or saving photos and videos than Galaxy A11, and although they both have a SD memory card expansion slot that supports a maximum of 512 GB, the Samsung Galaxy M21 also has more internal memory capacity.
The Galaxy M21 counts with just a bit better processing power than Samsung Galaxy A11, and although they both have 8 CPU cores, the Galaxy M21 also has a greater amount of RAM. Galaxy M21 takes way better videos and photos than Samsung Galaxy A11, because although it has a smaller aperture which is not nice for low light photos, it also counts with a way higher 3840x2160 video definition and a back-facing camera with a much higher 48 megapixels resolution.
Galaxy M21 has a much longer battery life than Samsung Galaxy A11, because it has a 50 percent larger battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.