Compare phones
| Global Score | |
| 73.5 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11 |
| -- | 2021-01-29 |
| 6.30 x 3.02 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 7.05 ounces | 6.03 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Gray, Phantom pink, Violet and White |
| Plastic and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 396 pixels per inch | 424 pixels per inch |
| 800 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.2 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Mali-G57 MC2 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 13.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.46 | 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 | Nano SIM |
| 5.6 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Galaxy S21 has a score of 91.8, which is a lot better than the Galaxy A15's general score of 73.5. The Galaxy S21 construction is lighter and just a bit thinner than the Galaxy A15. These devices have Android operating system, but the Galaxy S21 has an older 11 version while Galaxy A15 has Android 14 version.
Samsung Galaxy S21 counts with a bit sharper display than Galaxy A15, because although it has a bit smaller display, it also counts with a much brighter display, a slightly better 1080 x 2400 resolution and a bit better pixels quantity per inch in the display. Galaxy S21's storage capacity to install applications and games or saving photos and videos is very similar to the Galaxy A15 one, both of them have the same internal storage capacity.
The Galaxy S21 features a much faster processing unit than Samsung Galaxy A15. They have 8 CPU cores and 8 GB of RAM memory. The Samsung Galaxy A15 has better battery duration than Samsung Galaxy S21, because it has a 25 percent larger battery size. Samsung Galaxy S21 features a superior camera than Samsung Galaxy A15, although it has a back-facing camera with way less megapixels, they both have the same aperture.
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