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Global Score
76.185.7
Basic Information
SamsungSamsung
Android 10Android 5.0
2020-06-292015-04-10
6.61 x 3.02 x 0.32 inches5.59 x 2.76 x 0.28 inches
6.81 ounces4.66 ounces
BlackBlack, Gold, Green and White
Plastic and Plastic Aluminium and Glass
--Scratch-Resistant Glass
$ 194.00$ 950.00
Display / Screen
6.5 inches5.1 inches
1600 x 720 pixels 1440 x 2560 pixels (Quad HD / 2K)
IPS LCD Super AMOLED
270 pixels per inch576 pixels per inch
No touch screenCapacitive, Multi-touch
7.39.9
Performance
Mediatek Helio P35 chipsetExynos 7 Octa 7420 chipset
Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor
3 GB RAM3 GB (1600 MHz) RAM
PowerVR GE8320 GPUMali-T760 MP8 (650 MHz) GPU
9.2710.08
Storage
32 GB internal memory128 GB internal memory
microSDXC (up to 512 GB) external memory slotNo SD card slot
9.8410.1
Camera
16.00 MP + 13.00 MP16.00 MP + 5.00 MP
f/1.80 aperturef/1.90 aperture
--28.00mm focal length
0.33 inches (1/3.06") sensor0.38 inches (1/2.6") sensor
1920 x 1080 (30 fps) (Full HD) video resolution3840 x 2160 (4K) video resolution
9.358.47
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM
Nano SIMNano SIM
6.76.7
Battery Life
4000mAh Li - Polymer Battery2600mAh Battery
Non-Removable BatteryNon-Removable Battery
--Wireless Charging
5.924.56
Other Features
Bluetooth 5.0 Bluetooth 4.1
GPSGPS
NFCNFC
--Infra-red port
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

Samsung Galaxy S6 Edge is better than the Galaxy A21, having a overall score of 85.7 against 76.1. These devices include Android OS (Operating System), but the Samsung Galaxy S6 Edge has 5.0 version while Galaxy A21 has Android 10. Samsung Galaxy S6 Edge's body is somewhat thinner and way lighter than Galaxy A21, although it was released 5 years before.

The Galaxy S6 Edge features a way better screen than Samsung Galaxy A21, because although it has a really smaller screen, it also counts with a lot more pixels per inch of screen and a lot higher resolution of 2560 x 1440. The Galaxy S6 Edge has a slightly better memory capacity for apps and games than Samsung Galaxy A21, because although it has no slot for an external memory card, it also counts with 128 GB internal memory capacity.

The Galaxy S6 Edge counts with a little better hardware performance than Galaxy A21, and although they both have a Octa-Core CPU and 3 GB of RAM memory, the Galaxy S6 Edge also has a 64 bits CPU and an extra graphics co-processor. Samsung Galaxy A21 counts with a better camera than Samsung Galaxy S6 Edge, because although it has a smaller back-facing camera sensor which gives a lower photo and video quality, and they both have the same video frame rate, a same resolution back-facing camera and the same video quality, the Samsung Galaxy A21 also counts with a bigger aperture.

The Samsung Galaxy A21 counts with a way better battery lifetime than Galaxy S6 Edge, because it has a 4000mAh battery size.

Although Galaxy S6 Edge is a better device, it costs a lot more money than the Galaxy A21, and it doesn't have such a good price and quality relation as Galaxy A21. If you are trying to save some money, you can get the Galaxy A21, letting go a few features and specifications, but you'll get the most with your savings.




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