Compare phones
| Global Score | |
| 78.1 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 10 |
| 2016-03-11 | 2020-06-29 |
| 5.94 x 2.86 x 0.30 inches | 6.61 x 3.02 x 0.32 inches |
| 5.54 ounces | 6.81 ounces |
| Black, Black pearl, Coral blue, Gold, Pink gold, Silver and White | Black |
| Aluminum and Glass (Corning Gorilla Glass 4) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 336.00 | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 534 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.6 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Mediatek Helio P35 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 530 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.4 inches (1/2.5") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.79 | 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 | |
| 3600mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S7 edge is slightly better than the Samsung Galaxy A21, getting a score of 78.1 against 76.1. Despite of the fact that Samsung Galaxy S7 edge is a lot older than the Samsung Galaxy A21, it's design is just a little bit thinner and lighter. Both of these devices come with Android OS (operating system), but Samsung Galaxy S7 edge has a newer 8.0 Oreo version and Samsung Galaxy A21 has Android 10 version.
The Galaxy S7 edge features a sharper screen than Galaxy A21, because although it has a little bit smaller display, it also counts with a way better pixel count per inch of screen and a way higher resolution of 1440 x 2560px. The Galaxy A21 has a greater memory for applications and games than Samsung Galaxy S7 edge, and although they both have the same 32 GB internal storage capacity, the Galaxy A21 also has a SD memory card expansion slot that holds up to 512 GB.
The Samsung Galaxy A21 features a bit superior processing unit than Galaxy S7 edge, because although it has lesser RAM, it also counts with a greater number of faster cores. Samsung Galaxy S7 edge takes just a bit better photographs and videos than Samsung Galaxy A21, because although it has a camera with a way worse 12 mega pixels resolution, it also counts with a larger sensor providing a better image quality, a bigger camera aperture and a much better (4K) video resolution.
Samsung Galaxy A21 counts with just a bit better battery life than Samsung Galaxy S7 edge, because it has an 11 percent bigger battery size.
Although Galaxy S7 edge is a better device, it is a lot more expensive than the Galaxy A21, and it doesn't have such a good price and quality relation as Galaxy A21. So if you need that extra specs, you can buy the Galaxy S7 edge, otherwise you can save some money and get the Galaxy A21, letting go a couple features and specifications.
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