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Global Score
11.679.04
Basic Information
SamsungSamsung
Android 11Android 4.4.4
2021-01-292015-01-11
6.50 x 2.98 x 0.35 inches5.94 x 3.00 x 0.25 inches
8.04 ounces4.97 ounces
Phantom black and SilverBlue, Gold and White
Aluminum and Glass (Corning Gorilla Glass Victus)Metal
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 360.00
Display / Screen
6.8 inches5.5 inches
3200 x 1440 pixels 1080 x 1920 pixels (Full HD)
Dynamic AMOLED Super AMOLED
516 pixels per inch401 pixels per inch
1500 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
9.89
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 615 8939 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor64-bit ARM Cortex-A53 (Quad-Core 1500 MHz + Quad-Core 1000 MHz) processor
12 GB RAM2 GB (800 MHz) RAM
Adreno 660 GPUAdreno 405 (500 MHz) GPU
9.729.54
Storage
128 GB internal memory16 GB internal memory
No SD card slotmicroSD, microSDHC, microSDXC (up to 64 GB) external memory slot
10.16.16
Camera
108.00 MP + 40.00 MP13.00 MP + 5.00 MP
f/1.80 aperture--
24.00mm focal length--
0.75 inches (1/1.33") sensor--
7680 x 4320 (24 fps) video resolution1920 x 1080 (30 fps) (Full HD) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
13.758.03
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM
Nano SIMNano SIM, Dual SIM
10.77
Battery Life
5000mAh Li - Polymer Battery2600mAh Li-Ion Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
--17 hours talk time
4.963.92
Other Features
Bluetooth 5.1 Bluetooth 4.0
GPSGPS
NFCNFC
Fingerprint ID Scanner--
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

The Galaxy S21 Ultra has a global score of 11.67, which is way better than Galaxy A7's 9.04 overall score. These devices include Android OS (Operating System), but the Galaxy S21 Ultra has the previous 11 version and Galaxy A7 has Android 4.4.4 version. Galaxy S21 Ultra's design is noticeably newer, but heavier and thicker than Galaxy A7.

Galaxy S21 Ultra features a bit superior processing unit than Galaxy A7, because although it has a 32-bits processor instead of 64-bits and doesn't have an extra GPU, and they both have a Octa-Core processor, the Galaxy S21 Ultra also counts with a larger amount of RAM. The Galaxy S21 Ultra has a little more vivid display than Galaxy A7, because it has a bigger screen, a way better 1440 x 3200 resolution and a higher display pixel density.

Galaxy S21 Ultra takes much clearer photos and videos than Samsung Galaxy A7, because it has a much better video resolution and a camera in the back with a much higher 108 mega pixels resolution. The Galaxy S21 Ultra has a very superior storage capacity for games and applications than Galaxy A7, because although it has no slot for an SD memory card, it also counts with more internal storage capacity.

Samsung Galaxy S21 Ultra features a superior battery lifetime than Galaxy A7, because it has a 5000mAh battery capacity instead of 2600mAh.

Galaxy S21 Ultra is a lot more expensive than Samsung Galaxy A7, but it's still a convenient choice, because you can get a better phone for that extra money.