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Global Score
75.498.1
Basic Information
SamsungSamsung
Android 4.4.4Android 11
2015-01-112021-01-29
5.94 x 3.00 x 0.25 inches6.50 x 2.98 x 0.35 inches
4.97 ounces8.04 ounces
Blue, Gold and WhitePhantom black and Silver
MetalAluminum and Glass (Corning Gorilla Glass Victus)
Scratch-Resistant GlassScratch-Resistant Glass
$ 360.00$ 966.00
Display / Screen
5.5 inches6.8 inches
1080 x 1920 pixels (Full HD)3200 x 1440 pixels
Super AMOLEDDynamic AMOLED
401 pixels per inch516 pixels per inch
--1500 cd/m2 brightness
Capacitive, Multi-touchNo touch screen
99.8
Performance
Qualcomm Snapdragon 615 8939 chipsetQualcomm Snapdragon 888 chipset
64-bit ARM Cortex-A53 (Quad-Core 1500 MHz + Quad-Core 1000 MHz) processorKryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor
2 GB (800 MHz) RAM12 GB RAM
Adreno 405 (500 MHz) GPUAdreno 660 GPU
9.459.72
Storage
16 GB internal memory128 GB internal memory
microSD, microSDHC, microSDXC (up to 64 GB) external memory slotNo SD card slot
6.1610.1
Camera
13.00 MP + 5.00 MP108.00 MP + 40.00 MP
--f/1.80 aperture
--24.00mm focal length
--0.75 inches (1/1.33") sensor
1920 x 1080 (30 fps) (Full HD) video resolution7680 x 4320 (24 fps) video resolution
--1280 x 720 (960 fps) (HD) slow motion video
8.0313.75
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIM, Dual SIMNano SIM
710.7
Battery Life
2600mAh Li-Ion Battery5000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
--Wireless Charging
17 hours talk time--
4.566.8
Other Features
Bluetooth 4.0Bluetooth 5.1
GPSGPS
NFCNFC
--Fingerprint ID Scanner
Accelerometer, Compass, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
--FM Radio

Comparison review

Samsung Galaxy S21 Ultra has a score of 98.1, which is way better than the Samsung Galaxy A7's score of 75.4. These phones work with Android OS (operating system), but Samsung Galaxy S21 Ultra has the previous 11 version and Samsung Galaxy A7 has Android 4.4.4. The Samsung Galaxy S21 Ultra construction is extremely newer than Samsung Galaxy A7's, but it's thicker and incredibly heavier.

Galaxy S21 Ultra features a bit better hardware performance than Samsung Galaxy A7, because although it has a 32-bit processor instead of 64-bits and doesn't have a graphics processing unit, and they both have the same number of cores, the Galaxy S21 Ultra also counts with a greater amount of RAM memory.

Galaxy S21 Ultra features a bit sharper display than Galaxy A7, because it has a bigger display, a lot higher resolution of 1440 x 3200 pixels and a greater pixels number in each inch of screen. Galaxy S21 Ultra counts with a much bigger storage for games and applications than Samsung Galaxy A7, because although it has no external memory card slot, it also counts with 112 GB more internal memory capacity.

Galaxy S21 Ultra has a much better camera than Galaxy A7, because it has a back facing camera with a much higher resolution and a much higher video definition. The Galaxy S21 Ultra features a much longer battery life than Galaxy A7, because it has a 92 percent more battery capacity.

Galaxy S21 Ultra is way more expensive than the Galaxy A7, but you can get a much better phone for that few more dollars.




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