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Global Score
11.679.67
Basic Information
SamsungSamsung
Android 11Android 5.0
2021-01-29--
6.50 x 2.98 x 0.35 inches5.78 x 2.90 x 0.35 inches
8.04 ounces--
Phantom black and Silver--
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant GlassScratch-Resistant Glass
$ 1200.00$ 329.00
Display / Screen
6.8 inches5.1 inches
3200 x 1440 pixels 1440 x 2560 pixels (Quad HD / 2K)
Dynamic AMOLED Super AMOLED
516 pixels per inch576 pixels per inch
1500 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
9.89.9
Performance
Qualcomm Snapdragon 888 chipsetExynos 7 Octa 7420 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor
12 GB RAM3 GB (1600 MHz) RAM
Adreno 660 GPUMali-T760 MP8 (650 MHz) GPU
9.7210.17
Storage
128 GB internal memory32 GB internal memory
No SD card slotmicroSD external memory slot
10.15.8
Camera
108.00 MP + 40.00 MP16.00 MP + 5.00 MP
f/1.80 aperturef/1.90 aperture
24.00mm focal length--
0.75 inches (1/1.33") sensor0.38 inches (1/2.6") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
13.758.47
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM
Nano SIMNano SIM
10.76.6
Battery Life
5000mAh Li - Polymer Battery3500mAh Battery
Non-Removable BatteryRemovable Battery
Wireless Charging--
4.964.24
Other Features
Bluetooth 5.1 Bluetooth 4.1
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

The Galaxy S21 Ultra is a lot better than Galaxy S6 Active, getting a score of 11.67 against 9.67. Both of these phones include Android OS, but Galaxy S21 Ultra has the newer 11 version while Galaxy S6 Active has Android 5.0, so it provides the user a couple nice extra features. The Galaxy S21 Ultra design has the same thickness than Galaxy S6 Active, but it is incredibly heavier.

Galaxy S6 Active has a bit more vivid display than Samsung Galaxy S21 Ultra, because although it has a way smaller screen and a little worse resolution of 2560 x 1440, it also counts with a bit better amount of pixels per display inch. The Samsung Galaxy S21 Ultra counts with a lot bigger storage capacity for applications and games than Samsung Galaxy S6 Active, because although it has no external memory card slot, it also counts with 128 GB internal storage.

The Galaxy S6 Active has a little faster CPU than Galaxy S21 Ultra, because although it has 9 GB lesser RAM memory, and they both have the same number of cores, the Galaxy S6 Active also counts with a 64-bit processor and an extra graphics processing unit. Galaxy S21 Ultra has better battery duration than Samsung Galaxy S6 Active, because it has 5000mAh of battery capacity.

Samsung Galaxy S21 Ultra captures much better photos and videos than Samsung Galaxy S6 Active, because it has a way bigger back camera sensor taking way better quality photographs and videos, a larger aperture to capture better low-light photos and video, a way higher video definition and a much more mega-pixels back facing camera.

Although Samsung Galaxy S21 Ultra is a better device, it costs a lot more money than Galaxy S6 Active, and it doesn't have such a good quality/price relation as Galaxy S6 Active. If you prefer to save some money, you can buy the Galaxy S6 Active, and give up a couple features and specs, but you'll get the most out of your savings.