Compare phones
| Global Score | |
| 72.8 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2015-12-16 | 2020-06-29 |
| 5.96 x 2.92 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.96 ounces | 6.81 ounces |
| Black, Gold, Pink and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 401 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 615 8939 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 405 GPU | PowerVR GE8320 GPU |
| 8.73 | 9.27 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.72 | 9.84 |
| Camera | |
| 13.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| -- | 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 |
| 8.91 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21 is a little bit better than Galaxy A7 (2016), with a 76.1 score against 72.8. Although Galaxy A21 is extremely newer than the Galaxy A7 (2016), it is somewhat heavier and a little bit thicker. The Samsung Galaxy A21 has a little faster CPU than Samsung Galaxy A7 (2016). They have the same number of cores and 3 GB of RAM memory.
The Samsung Galaxy A7 (2016) features a little sharper screen than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with more pixels per screen inch and a higher resolution of 1080 x 1920px. The Samsung Galaxy A21 has a much better storage capacity for applications, games, photos and videos than Galaxy A7 (2016), because it has an external memory slot that allows a maximum of 512 GB and 16 GB more internal memory capacity.
The Samsung Galaxy A21 features improved battery lifetime than Galaxy A7 (2016), because it has a 21 percent bigger battery size. The Galaxy A21 has just a bit better camera than Samsung Galaxy A7 (2016), and although they both have the same video quality and the same 30 frames per second video frame rates, the Galaxy A21 also has a larger aperture to take better captures and video in low light environments and a higher 16 megapixels resolution camera in the back.
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