Compare phones
| Global Score | |
| 76.1 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow |
| 2020-06-29 | 2016-06-01 |
| 6.61 x 3.02 x 0.32 inches | 6.17 x 3.04 x 0.27 inches |
| 6.81 ounces | 5.96 ounces |
| Black | Gold, Gray and Pink |
| Plastic and Plastic | Metal |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 1600 x 720 pixels | 1920 x 1080 pixels (Full HD) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.9 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 506 GPU |
| 9.27 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 9.84 | 10.02 |
| Camera | |
| 16.00 MP + 13.00 MP | 16.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.35 | 9.13 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM | Nano SIM |
| 6.7 | 6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy C7 is slightly better than Galaxy A21, having a global score of 77.7 against 76.1. Both phones we compare here include Android OS, but Galaxy C7 has a newer 8.0 Oreo version and Galaxy A21 has Android 10. The Galaxy C7 is an a lot older phone than the Galaxy A21, but Samsung was able to build it somewhat lighter and thinner anyway.
Samsung Galaxy C7 counts with a bit sharper screen than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a better resolution of 1080 x 1920px and more pixels per inch in the screen. The Samsung Galaxy A21 counts with a bit more powerful CPU than Samsung Galaxy C7, although it has less RAM, they both have 8 cpu cores.
The Samsung Galaxy C7 has a little bit more storage capacity for games and applications than Galaxy A21, because although it has a SD memory card expansion slot that allows up to 128 GB against 512 GB, it also counts with more internal memory capacity. The Samsung Galaxy A21 has a little bit better camera than Samsung Galaxy C7, and although they both have the same video frame rates, the same 1920x1080 (Full HD) video resolution and a same resolution back facing camera, the Samsung Galaxy A21 also has a larger camera aperture to capture better low light photography.
Galaxy A21 counts with greater battery lifetime than Samsung Galaxy C7, because it has 4000mAh of battery capacity instead of 3300mAh.
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