Compare phones
| Global Score | |
| 77.7 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 10 |
| 2016-06-01 | 2020-06-19 |
| 6.17 x 3.04 x 0.27 inches | 6.44 x 2.96 x 0.35 inches |
| 5.96 ounces | 6.77 ounces |
| Gold, Gray and Pink | Black, Blue, Red and White |
| Metal | -- |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 386 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 9.84 |
| Camera | |
| 16.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.13 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy C7 is a bit better than the Galaxy A21s, getting a score of 77.7 against 77.7. Both of these phones use Android OS (operating system), but the Galaxy C7 has a more recent 8.0 Oreo version while Galaxy A21s has Android 10, counting with some extra features. Galaxy C7's body is extremely thinner and somewhat lighter than Galaxy A21s, despite of the fact that it was released 4 years before.
Samsung Galaxy A21s has a processing unit that's just as good as the Galaxy C7 one, and although the Samsung Galaxy A21s has 1 GB lesser RAM memory, they both have 8 CPU cores. The Galaxy C7 has a slightly better screen than Galaxy A21s, because although it has a little bit smaller display, it also counts with a better screen density and a higher resolution of 1080 x 1920px.
Galaxy C7 features slightly more memory for applications and games than Galaxy A21s, because although it has a SD memory slot that admits 384 GB smaller, it also counts with more internal memory capacity. Samsung Galaxy A21s has a much better battery life than Galaxy C7, because it has a 52 percent more battery capacity.
The Galaxy A21s counts with a better camera than Samsung Galaxy C7, because although it has a tinier aperture which is not nice for taking photos or video in low light situations, and they both have the same 30 fps video frame rates and the same 1920x1080 (Full HD) video resolution, the Galaxy A21s also counts with a much more megapixels camera in the back.
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