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Global Score
11.679.46
Basic Information
SamsungSamsung
Android 11--
2021-01-292018-01-06
6.50 x 2.98 x 0.35 inches5.87 x 2.78 x 0.33 inches
8.04 ounces6.07 ounces
Phantom black and SilverBlack, Blue, Gold and Orchid grey
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminum and Glass (Corning Gorilla Glass 5)
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches5.6 inches
3200 x 1440 pixels 2220 x 1080 pixels
Dynamic AMOLED Super AMOLED
516 pixels per inch441 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
9.88.3
Performance
Qualcomm Snapdragon 888 chipsetSamsung Exynos 5 Octa 7885 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor
12 GB RAM4 GB RAM
Adreno 660 GPUMali-G71 GPU
9.729.18
Storage
128 GB internal memory64 GB internal memory
No SD card slotmicroSDXC (up to 256 GB) external memory slot
10.110.78
Camera
108.00 MP + 40.00 MP16.00 MP + 16.00 MP
f/1.80 aperturef/1.70 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--
13.759.24
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA and HSUPA
Nano SIMNano SIM, Dual SIM
10.76.3
Battery Life
5000mAh Li - Polymer Battery3000mAh Li - Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.24
Other Features
Bluetooth 5.1 Bluetooth 5.0
GPSGPS
NFCNFC
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

The Samsung Galaxy S21 Ultra is way better than Galaxy A8 (2018), getting a general score of 11.67 against 9.46. Samsung Galaxy S21 Ultra's design is much newer than the Galaxy A8 (2018)'s, although it is a lot heavier and a little bit thicker. Samsung Galaxy S21 Ultra counts with a bit superior CPU than Galaxy A8 (2018), and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has 8 GB more RAM.

The Samsung Galaxy S21 Ultra counts with a more vivid screen than Galaxy A8 (2018), because it has a better resolution of 1440 x 3200 pixels, a larger display and a quite greater pixel density. The Galaxy S21 Ultra counts with a lot better camera than Galaxy A8 (2018), because although it has a smaller aperture which is not nice for low light photography, it also counts with a way better video definition and a lot higher resolution camera.

The Galaxy A8 (2018) has a bit more memory to install applications and games or saving photos and videos than Galaxy S21 Ultra, because although it has just 64 GB internal memory, it also counts with a slot for external memory cards that supports a maximum of 256 GB. The Samsung Galaxy S21 Ultra counts with superior battery performance than Samsung Galaxy A8 (2018), because it has a 67 percent bigger battery capacity.