Compare phones
| Global Score | |
| 76.1 | 80.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 5.0 |
| 2020-06-29 | -- |
| 6.61 x 3.02 x 0.32 inches | 5.78 x 2.90 x 0.35 inches |
| 6.81 ounces | -- |
| Black | -- |
| Plastic and Plastic | -- |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 245.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 1600 x 720 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.3 | 9.9 |
| Performance | |
| Mediatek Helio P35 chipset | Exynos 7 Octa 7420 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 3 GB RAM | 3 GB (1600 MHz) RAM |
| PowerVR GE8320 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.27 | 10.08 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD external memory slot |
| 9.84 | 5.8 |
| Camera | |
| 16.00 MP + 13.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 0.33 inches (1/3.06") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 9.35 | 8.47 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Removable Battery |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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
Samsung Galaxy S6 Active has a global score of 80.9, which is slightly better than Galaxy A21's score of 76.1. Both of these phones include Android OS (operating system), but the Samsung Galaxy S6 Active has the older 5.0 version while Galaxy A21 has Android 10 version. Samsung Galaxy S6 Active is a much lighter but a bit thicker cellphone than the Galaxy A21.
The Samsung Galaxy S6 Active features a lot better screen than Samsung Galaxy A21, because although it has a lot smaller screen, it also counts with a lot better resolution of 2560 x 1440 pixels and a much better amount of pixels per inch of screen. The Galaxy A21 counts with a lot bigger storage capacity for apps and games than Galaxy S6 Active. Both of them have the same internal memory capacity.
Galaxy S6 Active counts with a little better processing power than Galaxy A21, and although they both have 8 cores and a 3 GB RAM memory, the Galaxy S6 Active also has a 64 bits CPU and an extra graphics co-processor. Galaxy A21 takes much clearer photos and videos than Samsung Galaxy S6 Active, because although it has a smaller sensor which provides a worse image and video quality, and they both have a back-facing camera with a 16 mega pixels, the same 1920x1080 (Full HD) video definition and the same video frame rates, the Galaxy A21 also counts with a larger diafragm aperture for better captures and video in poorly lited environments.
The Galaxy A21 counts with just a bit better battery performance than Galaxy S6 Active, because it has 4000mAh of battery capacity.
Samsung Galaxy S6 Active costs more than Galaxy A21, but you can get a better phone for that few extra dollars.
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