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Global Score
11.679.79
Basic Information
SamsungSamsung
Android 11Android 9.0 Pie, 8.0 Oreo
2021-01-292018-08-27
6.50 x 2.98 x 0.35 inches6.39 x 3.03 x 0.30 inches
8.04 ounces6.74 ounces
Phantom black and SilverBlack and White
Aluminum and Glass (Corning Gorilla Glass Victus)Glass and Metal
Scratch-Resistant Glass--
$ 966.00--
Display / Screen
6.8 inches6.3 inches
3200 x 1440 pixels 2220 x 1080 pixels
Dynamic AMOLED Super AMOLED
516 pixels per inch392 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.88
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 660 SDM660 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor
12 GB RAM6 GB RAM
Adreno 660 GPUAdreno 512 GPU
9.729.27
Storage
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 400 GB) external memory slot
10.111.34
Camera
108.00 MP + 40.00 MP16.00 MP + 24.00 MP
f/1.80 aperturef/1.70 aperture
24.00mm focal length26.00mm focal length
0.75 inches (1/1.33") sensor0.36 inches (1/2.8") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
13.7510.01
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
10.76.7
Battery Life
5000mAh Li - Polymer Battery3700mAh Li - Ion Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.56
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, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

The Galaxy S21 Ultra is much better than Samsung Galaxy A8 Star, having a 11.67 score against 9.79. Galaxy S21 Ultra's design is incredibly newer, but somewhat thicker and somewhat heavier than the Samsung Galaxy A8 Star. Both of these phones work with Android operating system, but Galaxy S21 Ultra has the older 11 version while Samsung Galaxy A8 Star has Android 9.0 Pie version.

Galaxy S21 Ultra counts with a much sharper display than Samsung Galaxy A8 Star, because it has a bit bigger screen, a higher amount of pixels per screen inch and a higher 1440 x 3200 resolution. The Samsung Galaxy A8 Star features more memory to install applications and games or saving photos and videos than Samsung Galaxy S21 Ultra, because although it has only 64 GB internal storage capacity, it also counts with an external memory slot that supports up to 400 GB.

Galaxy S21 Ultra counts with a little faster CPU than Galaxy A8 Star, and although they both have 8 processing cores, the Galaxy S21 Ultra also has a higher amount of RAM memory. Galaxy S21 Ultra features a way better camera than Galaxy A8 Star, because although it has a tinier diafragm aperture, it also counts with a much higher 7680x4320 video definition, a back-facing camera with a much better resolution and a lot larger camera sensor which gives a lot better image and video quality.

Galaxy S21 Ultra has a little better battery duration than Galaxy A8 Star, because it has 5000mAh of battery capacity against 3700mAh.