Compare phones
| Global Score | |
| 76.1 | 78.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow |
| 2020-06-29 | 2016-03-11 |
| 6.61 x 3.02 x 0.32 inches | 5.94 x 2.86 x 0.30 inches |
| 6.81 ounces | 5.54 ounces |
| Black | Black, Black pearl, Coral blue, Gold, Pink gold, Silver and White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 4) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 336.00 |
| Display / Screen | |
| 6.5 inches | 5.5 inches |
| 1600 x 720 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 534 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.6 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 530 GPU |
| 9.27 | 9 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 200 GB) external memory slot |
| 9.84 | 8.56 |
| Camera | |
| 16.00 MP + 13.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.4 inches (1/2.5") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.35 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3600mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.6 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy S7 edge is a little bit better than the Samsung Galaxy A21, getting a overall score of 78.1 against 76.1. Both phones in this comparison review work with Android OS (Operating System), but Galaxy S7 edge has 8.0 Oreo version while Samsung Galaxy A21 has Android 10. Even though the Galaxy S7 edge is notably older than the Samsung Galaxy A21, it's body is somewhat lighter and just a little thinner.
Galaxy A21 features a little better processing power than Samsung Galaxy S7 edge, because although it has a smaller amount of RAM, it also counts with a larger number of cores. The Galaxy S7 edge has a more vivid screen than Samsung Galaxy A21, because although it has a little smaller screen, it also counts with a way higher 1440 x 2560 resolution and a much better pixels count per screen inch.
Galaxy S7 edge shoots clearer videos and photos than Samsung Galaxy A21, because although it has a camera in the back with much less megapixels, it also counts with a bigger aperture, a much better video quality and a bigger sensor taking more light and vivid colors. Galaxy A21 features a greater memory capacity to install applications and games than Samsung Galaxy S7 edge, and although they both have the same internal memory, the Galaxy A21 also has a slot for SD memory cards that allows a maximum of 512 GB.
Samsung Galaxy A21 features a little longer battery performance than Galaxy S7 edge, because it has a 4000mAh battery size.
Although Samsung Galaxy S7 edge is a better device, it costs a lot more than Samsung Galaxy A21, and it doesn't have such a good quality/price relation as the Samsung Galaxy A21. So if you need that extra features and specs, you can buy Samsung Galaxy S7 edge, but if you don't you can save some dollars and get the Samsung Galaxy A21, letting go some features and specifications.
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