Compare phones
| Global Score | |
| 80.9 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 10 |
| -- | 2020-06-29 |
| 5.78 x 2.90 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| -- | 6.81 ounces |
| -- | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 245.00 | $ 194.00 |
| Display / Screen | |
| 5.1 inches | 6.5 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 576 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 7.3 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Mediatek Helio P35 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 3 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | PowerVR GE8320 GPU |
| 10.08 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSD external memory slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 9.84 |
| Camera | |
| 16.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 0.38 inches (1/2.6") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.47 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 5.44 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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
Galaxy S6 Active has a global score of 80.9, which is a little bit better than the Galaxy A21's score of 76.1. These phones work with Android OS, but the Galaxy S6 Active has an older 5.0 version and Galaxy A21 has Android 10 version. The Galaxy S6 Active is a a little thicker but a lot lighter phone than the Galaxy A21.
The Galaxy S6 Active features a little faster CPU than Samsung Galaxy A21, and although they both have a 3 GB RAM and a Octa-Core CPU, the Galaxy S6 Active also has a 64 bits CPU and an additional graphics co-processor. The Galaxy S6 Active has a lot better screen than Samsung Galaxy A21, because although it has a lot smaller screen, it also counts with much more pixels per inch of screen and a much better resolution of 2560 x 1440.
Samsung Galaxy A21 takes much clearer pictures and videos than Samsung Galaxy S6 Active, because although it has a tinier back-facing camera sensor which gives a worse photo and video quality, and they both have the same resolution camera in the back, the same 1920x1080 video definition and the same video frame rate, the Samsung Galaxy A21 also counts with a larger aperture for better photography and videos in poorly lited situations.
The Galaxy A21 counts with a very superior storage for applications, games, photos and videos than Galaxy S6 Active. Both have the same 32 GB internal memory. The Galaxy A21 counts with a little better battery lifetime than Samsung Galaxy S6 Active, because it has 4000mAh of battery capacity.
Galaxy S6 Active is more expensive than Samsung Galaxy A21, but you can get a better phone for that extra money.
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