Compare phones
| Global Score | |
| 90.5 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android | Android 11 |
| 2019-09-04 | 2021-01-29 |
| 6.49 x 3.01 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 7.27 ounces | 6.03 ounces |
| Black and White | Gray, Phantom pink, Violet and White |
| Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.66 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 5.92 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy S21 has a general score of 91.8, which is a bit better than Samsung Galaxy A90 5G's general score of 90.5. The Samsung Galaxy S21 counts with Android 11 operating system, while Samsung Galaxy A90 5G counts with Android operating system. Samsung Galaxy S21 is a newer device, and it is also somewhat lighter and just a little thinner than the Samsung Galaxy A90 5G.
The Samsung Galaxy S21 has a much better looking display than Galaxy A90 5G, because although it has a quite smaller display, and they both have the same exact resolution of 1080 x 2400px, the Samsung Galaxy S21 also counts with a just a bit better display pixel density. The Galaxy S21 counts with a processing unit that's very similar to the Samsung Galaxy A90 5G one, and although the Galaxy S21 has a larger amount of RAM memory, they both have the same number of cores.
The Galaxy A90 5G counts with a much better memory to install applications and games than Samsung Galaxy S21, and although they both have exactly the same 128 GB internal memory capacity, the Galaxy A90 5G also has a SD card slot that supports up to 512 GB. The Galaxy A90 5G features just a bit better camera than Galaxy S21, because although it has a smaller camera sensor taking worse quality videos and photos and a smaller aperture which is not nice for low light images and video, and they both have the same 3840x2160 (4K) video resolution, the Galaxy A90 5G also counts with a much more MP back-facing camera and faster video frame rate.
Galaxy A90 5G has a little better battery duration than Galaxy S21, because it has a 4500mAh battery capacity instead of 4000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.