Compare phones
| Global Score | |
| 77.7 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 11 |
| 2016-06-01 | 2021-01-29 |
| 6.17 x 3.04 x 0.27 inches | 5.97 x 2.80 x 0.31 inches |
| 5.96 ounces | 6.03 ounces |
| Gold, Gray and Pink | Gray, Phantom pink, Violet and White |
| Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.7 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 386 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 16.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 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 |
| 9.13 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6 | 10.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 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 general score of 91.8, which is much better than the Galaxy C7's score of 77.7. The Galaxy S21 is a way newer phone than the Galaxy C7, although it is somewhat thicker and a little bit heavier. Both of these devices use Android OS (Operating System), but Galaxy S21 has the older 11 version and Galaxy C7 has Android 8.0 Oreo.
Samsung Galaxy S21 features a sharper screen than Galaxy C7, because it has a little bit higher display density, a slightly higher resolution of 1080 x 2400 pixels and a little bigger screen. Galaxy S21 features just a little better processing power than Galaxy C7, and although they both have a Octa-Core processing unit, the Galaxy S21 also has more RAM memory.
Galaxy S21 captures much clearer photos and videos than Galaxy C7, because although it has a way less mega-pixels camera, it also counts with a bigger aperture for better captures and video in low light environments and a lot higher video resolution. Galaxy S21 has just a bit bigger memory capacity to install applications and games than Galaxy C7, because although it has no SD card slot, it also counts with 128 GB internal storage.
Samsung Galaxy S21 counts with greater battery life than Samsung Galaxy C7, because it has a 4000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.