Compare phones
| Global Score | |
| 91.8 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | -- |
| 2021-01-29 | 2017-01-13 |
| 5.97 x 2.80 x 0.31 inches | 5.75 x 2.81 x 0.31 inches |
| 6.03 ounces | 5.61 ounces |
| Gray, Phantom pink, Violet and White | Black sky, Blue mist, Gold sand and Peach cloud |
| Aluminum and Plastic | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 5.2 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 424 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 7 Octa 7880 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali-T830 MP3 GPU |
| 9.63 | 9 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 8.88 |
| Camera | |
| 12.00 MP + 10.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 5.5 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S21 is a lot better than Samsung Galaxy A5 (2017), with a 91.8 score against 75.8. Samsung Galaxy S21 is a just a bit heavier device than the Samsung Galaxy A5 (2017), but both of them have the same thickness. Samsung Galaxy S21 counts with a brighter display than Samsung Galaxy A5 (2017), and although they both have the same amount of pixels in each inch in the display, the Samsung Galaxy S21 also has a little bit higher 1080 x 2400 resolution and a bigger screen.
The Galaxy S21 has a bit more powerful processor than Galaxy A5 (2017), and although they both have the same number of cores, the Galaxy S21 also has a greater amount of RAM memory. Samsung Galaxy S21 features a superior camera than Galaxy A5 (2017), because although it has a much less megapixels resolution camera, it also counts with a way better 7680x4320 video resolution and a bigger diafragm aperture.
Galaxy S21 counts with a greater storage capacity to store more apps and games than Samsung Galaxy A5 (2017), because although it has no slot for an SD memory card, it also counts with more internal memory. The Galaxy S21 counts with better battery performance than Galaxy A5 (2017), because it has a 33 percent larger battery size.
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