Compare phones
| Global Score | |
| 74.4 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 6.0 Marshmallow | Android 11 |
| 2016-03-30 | 2021-01-29 |
| 6.37 x 3.19 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 7.41 ounces | 6.03 ounces |
| Black, Gold and White | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 367 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 510 GPU | Adreno 660 GPU |
| 8.91 | 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 | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 7.7 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 5.6 | 10.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 has a global score of 91.8, which is a lot better than the Galaxy A9 Pro (2016)'s score of 74.4. Both of these phones use Android OS, but Galaxy S21 has the previous 11 version and Galaxy A9 Pro (2016) has Android 8.0 Oreo version. The Galaxy S21 body has the same thickness than the Galaxy A9 Pro (2016), but it's lighter.
The Samsung Galaxy S21 has a more vivid display than Samsung Galaxy A9 Pro (2016), because it has a slightly higher resolution of 1080 x 2400, a just a bit better pixel density and a bit bigger display. Galaxy S21 counts with a better memory capacity to install games and applications than Galaxy A9 Pro (2016), because although it has no SD card slot, it also counts with 128 GB internal storage.
The Samsung Galaxy S21 counts with just a bit better performance than Samsung Galaxy A9 Pro (2016), and although they both have a Octa-Core processor, the Samsung Galaxy S21 also has a larger amount of RAM memory. The Samsung Galaxy A9 Pro (2016) has improved battery lifetime than Samsung Galaxy S21, because it has 5000mAh of battery capacity.
Samsung Galaxy S21 has a lot better camera than Samsung Galaxy A9 Pro (2016), because although it has a back camera with a way worse 12 mega-pixels resolution, it also counts with a larger camera aperture to capture better low-light images and a way larger back camera sensor capturing more light and vivid colors.
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