Compare phones
| Global Score | |
| 76.1 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-29 | 2016-06-10 |
| 6.61 x 3.02 x 0.32 inches | 5.86 x 2.95 x 0.39 inches |
| 6.81 ounces | 6.53 ounces |
| Black | Camo green, Sandy gold and Titanium gray |
| Plastic and Plastic | Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 247.00 |
| 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 |
| -- | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.3 |
| 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 2150 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 530 GPU |
| 9.27 | 8.91 |
| 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 |
| 0.33 inches (1/3.06") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 9.35 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | HSPA |
| Nano SIM | Nano SIM |
| 6.7 | 3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| 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 A21 has an overall score of 76.1, which is a bit better than the Galaxy S7 Active's overall score of 75.8. The Galaxy A21 design is noticeably newer and thinner, but a little heavier than Galaxy S7 Active. The Galaxy A21 has a little faster CPU than Galaxy S7 Active, because although it has a lower amount of RAM, it also counts with a higher number of cores.
The Galaxy S7 Active has an incredibly better looking screen than Samsung Galaxy A21, because although it has a way smaller screen, it also counts with a much higher 1440 x 2560px resolution and a much higher screen density. Samsung Galaxy S7 Active takes just a bit better photos and videos than Galaxy A21, because although it has a lot lower resolution back-facing camera, it also counts with a much higher (4K) video definition and a larger camera aperture to take better photos and videos in low-light environments.
Galaxy A21 has a better storage capacity for applications, games, photos and videos than Galaxy S7 Active, and although they both have exactly the same internal storage capacity, the Galaxy A21 also has a SD card slot that allows a maximum of 512 GB. Samsung Galaxy S7 Active features a battery life that is very similar to Galaxy A21's battery duration.
Even being the best phone between the ones we are comparing here, the Galaxy A21 is also a bargain compared to others.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.