Compare phones
| Global Score | |
| 90.5 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android | Android 11, 10 |
| 2019-09-04 | 2020-03-23 |
| 6.49 x 3.01 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 7.27 ounces | 6.63 ounces |
| Black and White | Midnight blue and Raven black |
| Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| 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 |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 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 640 GPU | Mali-G72 MP3 GPU |
| 9.63 | 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 | |
| 48.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.66 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer 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 |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A90 5G has an overall score of 90.5, which is slightly better than Samsung Galaxy M21's overall score of 84.1. Samsung Galaxy A90 5G's design is a bit heavier but a little thinner than the Samsung Galaxy M21, and both were only released with a couple months difference. Samsung Galaxy A90 5G works with Android operating system, and Samsung Galaxy M21 comes with Android 11 operating system.
The Samsung Galaxy A90 5G counts with a bit superior CPU than Samsung Galaxy M21, and although they both have a Octa-Core CPU, the Samsung Galaxy A90 5G also has a larger amount of RAM memory. The Samsung Galaxy M21 features a little more vivid screen than Galaxy A90 5G, because although it has a bit smaller display and a little lower 1080 x 2340 resolution, it also counts with a just a little greater amount of pixels per screen inch.
Galaxy A90 5G counts with a much bigger memory to install applications and games than Galaxy M21, and although they both have a SD memory card expansion slot that admits up to 512 GB, the Galaxy A90 5G also has 128 GB internal memory. Samsung Galaxy A90 5G takes a little bit better videos and photos than Samsung Galaxy M21. Both have a 0.5 inches sensor, the same resolution camera in the back, the same 3840x2160 video resolution, the same 30 frames per second video frame rates and the same aperture.
Samsung Galaxy M21 has better battery life than Galaxy A90 5G, because it has a 6000mAh battery size.
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