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Global Score
87.391.8
Basic Information
SamsungSamsung
Android 5.0Android 11
2015-04-112021-01-29
5.65 x 2.78 x 0.27 inches5.97 x 2.80 x 0.31 inches
4.87 ounces6.03 ounces
Black, Blue, Gold and WhiteGray, Phantom pink, Violet and White
Aluminium and GlassAluminum and Plastic
Scratch-Resistant GlassScratch-Resistant Glass
$ 245.00$ 722.00
Display / Screen
5.1 inches6.2 inches
1440 x 2560 pixels (Quad HD / 2K)2400 x 1080 pixels
Super AMOLEDDynamic AMOLED
576 pixels per inch424 pixels per inch
--1300 cd/m2 brightness
Capacitive, Multi-touchNo touch screen
9.99.2
Performance
Exynos 7 Octa 7420 chipsetQualcomm Snapdragon 888 chipset
64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processorKryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor
3 GB (1600 MHz) RAM8 GB RAM
Mali-T760 MP8 (650 MHz) GPUAdreno 660 GPU
10.089.63
Storage
128 GB internal memory128 GB internal memory
No SD card slotNo SD card slot
10.110.1
Camera
16.00 MP + 5.00 MP12.00 MP + 10.00 MP
f/1.90 aperturef/1.80 aperture
28.00mm focal length26.00mm focal length
0.38 inches (1/2.6") sensor0.57 inches (1/1.76") sensor
3840 x 2160 (30 fps) (4K) video resolution7680 x 4320 (24 fps) video resolution
--1280 x 720 (960 fps) (HD) slow motion video
10.0110.78
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM
6.710.7
Battery Life
2550mAh Battery4000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless ChargingWireless Charging
4.565.92
Other Features
Bluetooth 4.1Bluetooth 5.0
GPSGPS
NFCNFC
Infra-red port--
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
--FM Radio

Comparison review

Galaxy S21 has a global score of 91.8, which is slightly better than the Samsung Galaxy S6's score of 87.3. These devices include Android OS (operating system), but the Galaxy S21 has the newer 11 version while Samsung Galaxy S6 has Android 5.0. Galaxy S21's design is extremely newer than Samsung Galaxy S6's, but it is thicker and heavier.

Samsung Galaxy S6 features just a bit better hardware performance than Galaxy S21, because although it has a lower amount of RAM memory, and they both have a Octa-Core processing unit, the Samsung Galaxy S6 also counts with a 64 bits processing unit and an additional graphics processing unit. The Samsung Galaxy S6 features a bit better display than Galaxy S21, because although it has a little bit smaller screen, it also counts with more pixels per inch of display and a higher 2560 x 1440px resolution.

The Galaxy S21 features a bit better camera than Galaxy S6, because although it has a back-facing camera with a way lower resolution, it also counts with a bigger aperture, a way better video resolution and a much bigger back camera sensor capturing way better quality videos and pictures. The Galaxy S6 and the Galaxy S21 both count with incredibly similar memory capacity to install applications and games, they have the same internal storage.

Galaxy S21 features a superior battery life than Galaxy S6, because it has a 57% bigger battery size.

Although Galaxy S21 is a better device, it costs a lot more than the Samsung Galaxy S6, and it doesn't have such a good quality/price relation as the Samsung Galaxy S6. So if you want that extra features, you can buy Galaxy S21, else you can save some money and get the Samsung Galaxy S6, giving up some features and specs.




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