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Global Score
11.679.25
Basic Information
SamsungSamsung
Android 11Android 10
2021-01-292020-06-19
6.50 x 2.98 x 0.35 inches6.44 x 2.96 x 0.35 inches
8.04 ounces6.77 ounces
Phantom black and SilverBlack, Blue, Red and White
Aluminum and Glass (Corning Gorilla Glass Victus)--
Scratch-Resistant Glass--
$ 966.00--
Display / Screen
6.8 inches6.5 inches
3200 x 1440 pixels 1600 x 720 pixels
Dynamic AMOLED TFT
516 pixels per inch270 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.87.2
Performance
Qualcomm Snapdragon 888 chipsetSamsung Exynos 850 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorArm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor
12 GB RAM3 GB RAM
Adreno 660 GPUMali-G76 GPU
9.729.09
Storage
128 GB internal memory32 GB internal memory
No SD card slotmicroSDXC (up to 512 GB) external memory slot
10.19.84
Camera
108.00 MP + 40.00 MP48.00 MP + 13.00 MP
f/1.80 aperturef/2.00 aperture
24.00mm focal length26.00mm focal length
0.75 inches (1/1.33") sensor0.5 inches (1/2") 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--
13.7510.78
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.76.7
Battery Life
5000mAh Li - Polymer Battery5000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.965.52
Other Features
Bluetooth 5.1 Bluetooth 5.0
GPSGPS
NFCNFC
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Gyroscope and Proximity Sensor
FM Radio--

Comparison review

The Samsung Galaxy S21 Ultra is way better than the Galaxy A21s, having a 11.67 score against 9.25. Both of these phones use Android OS, but the Samsung Galaxy S21 Ultra has a newer 11 version and Galaxy A21s has Android 10. The Samsung Galaxy S21 Ultra is a somewhat heavier cellphone than Galaxy A21s, but both of them have the same thickness.

The Galaxy S21 Ultra has just a bit better performance than Galaxy A21s, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has a larger amount of RAM memory. Samsung Galaxy S21 Ultra counts with a much better looking display than Samsung Galaxy A21s, because it has a quite larger display, a much better pixels amount per screen inch and a way better resolution of 1440 x 3200.

Galaxy S21 Ultra has a slightly better storage capacity for applications and games than Samsung Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with 128 GB internal memory. Samsung Galaxy A21s features superior battery life than Galaxy S21 Ultra. Galaxy S21 Ultra takes much better photos and videos than Galaxy A21s, because it has a way higher 7680x4320 video quality, a larger diafragm aperture for better low light captures and videos, a camera with much more mega-pixels and a way larger sensor capturing lot higher quality pictures.