Compare phones
| Global Score | |
| 77.7 | 79.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-19 | 2016-03-11 |
| 6.44 x 2.96 x 0.35 inches | 5.61 x 2.74 x 0.31 inches |
| 6.77 ounces | 5.36 ounces |
| Black, Blue, Red and White | Black, Gold, Pink, Pink gold, Silver and White |
| -- | Aluminum and Glass (Corning Gorilla Glass 4) |
| -- | Scratch-Resistant Glass |
| -- | $ 124.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 1600 x 720 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| TFT | Super AMOLED |
| 270 pixels per inch | 576 pixels per inch |
| -- | 855 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.6 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Adreno 530 GPU |
| 9.09 | 9 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 200 GB) external memory slot |
| 9.84 | 8.56 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.4 inches (1/2.5") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy S7 is a bit better than the Samsung Galaxy A21s, with a score of 79.5 against 77.7. Galaxy S7's body is somewhat thinner and extremely lighter than the Samsung Galaxy A21s, even though it was released many years before. Galaxy A21s features a bit more powerful CPU than Samsung Galaxy S7, because although it has a lower amount of RAM memory, it also counts with a larger number of cores.
Galaxy S7 has a lot better looking screen than Samsung Galaxy A21s, because although it has a really smaller display, it also counts with a much higher 1440 x 2560 resolution and a lot better display density. Galaxy A21s has more memory to install applications and games than Samsung Galaxy S7, and although they both have exactly the same 32 GB internal memory, the Galaxy A21s also has a slot for SD memory cards that holds up to 512 GB.
Galaxy A21s shoots much better videos and photos than Galaxy S7, because although it has a tinier aperture, and they both have the same 30 fps video frame rate and the same video quality, the Galaxy A21s also counts with a lot more mega-pixels back facing camera and a bigger camera sensor taking higher quality pictures and videos.
Galaxy A21s has a way better battery lifetime than Samsung Galaxy S7, because it has 5000mAh of battery capacity.
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