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