Compare phones
| Global Score | |
| 76.1 | 79.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-29 | 2016-03-11 |
| 6.61 x 3.02 x 0.32 inches | 5.61 x 2.74 x 0.31 inches |
| 6.81 ounces | 5.36 ounces |
| Black | Black, Gold, Pink, Pink gold, Silver and White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 4) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 124.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 1600 x 720 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 576 pixels per inch |
| -- | 855 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.6 |
| 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), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 4.96 |
| 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
The Galaxy S7 has a score of 79.5, which is slightly better than Samsung Galaxy A21's 76.1 overall score. Although Galaxy S7 is notably older than the Samsung Galaxy A21, it's design is incredibly lighter and just a bit thinner. Galaxy A21 counts with just a bit better hardware performance than Samsung Galaxy S7, because although it has less RAM memory, it also counts with a greater number of faster cores.
The Galaxy S7 has a much more vibrant display than Samsung Galaxy A21, because although it has a much smaller display, it also counts with a lot greater display pixel density and a lot better resolution of 1440 x 2560px. The Galaxy S7 takes a little bit better pictures and videos than Galaxy A21, because although it has a back camera with much less mega-pixels resolution, it also counts with a larger camera aperture to capture better captures in low light environments, a bigger back-facing camera sensor which provides a higher photo and video quality and a lot better (4K) video definition.
Samsung Galaxy A21 has more memory to store more apps and games than Galaxy S7, and although they both have equal internal memory capacity, the Samsung Galaxy A21 also has a slot for an external memory card that admits up to 512 GB. Samsung Galaxy A21 has longer battery lifetime than Samsung Galaxy S7, because it has 4000mAh of battery capacity.
Despite of being the best phone of the ones we are comparing, Galaxy S7 is also a bargain compared to others, making this phone an obvious call.
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