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Global Score
11.679.89
Basic Information
SamsungAsus
Android 11Android 11
2021-01-292021-05-13
6.50 x 2.98 x 0.35 inches5.83 x 2.70 x 0.35 inches
8.04 ounces5.96 ounces
Phantom black and SilverHorizon Silver and Obsidian Black
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminum and Glass (Corning Gorilla Glass 3)
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches5.9 inches
3200 x 1440 pixels 2400 x 1080 pixels
Dynamic AMOLED AMOLED
516 pixels per inch446 pixels per inch
1500 cd/m2 brightness1100 cd/m2 brightness
No touch screenNo touch screen
9.89.2
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 888 SM8350 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorKryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor
12 GB RAM6 GB RAM
Adreno 660 GPUAdreno 660 GPU
9.729.63
Storage
128 GB internal memory128 GB internal memory
No SD card slotNo SD card slot
10.110.1
Camera
108.00 MP + 40.00 MP64.00 MP + 12.00 MP
f/1.80 aperturef/1.80 aperture
24.00mm focal length27.00mm focal length
0.75 inches (1/1.33") sensor0.59 inches (1/1.7") sensor
7680 x 4320 (24 fps) video resolution7680 x 4320 (24 fps) video resolution
1280 x 720 (960 fps) (HD) slow motion video1280 x 720 (480 fps) (HD) slow motion video
13.7512.65
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA
Nano SIMNano SIM, Dual SIM
10.710.6
Battery Life
5000mAh Li - Polymer Battery4000mAh Nano SIM Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
4.964.56
Other Features
Bluetooth 5.1 Bluetooth 5.2, EDR
GPSGPS
NFCNFC
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

Galaxy S21 Ultra has a score of 11.67, which is much better than the Asus ZenFone 8's 9.89 general score. These phones include the same Android 11 OS (Operating System). The Galaxy S21 Ultra is a a lot heavier cellphone than the Asus ZenFone 8, but they have the same thickness. Galaxy S21 Ultra features a bit better processing power than Asus ZenFone 8, and although they both have the same number of cores, the Galaxy S21 Ultra also has a greater amount of RAM memory.

The Samsung Galaxy S21 Ultra counts with a little sharper display than Asus ZenFone 8, because it has a brighter screen, a bigger display, a higher resolution of 1440 x 3200 pixels and a quite higher quantity of pixels per inch of screen. The Samsung Galaxy S21 Ultra has a bit better camera than Asus ZenFone 8, and although they both have the same aperture, the same 7680x4320 video resolution and the same video frame rate, the Samsung Galaxy S21 Ultra also has a back facing camera with much more megapixels and a lot larger back-facing camera sensor providing a lot better image quality.

The Asus ZenFone 8 features as much storage capacity to install applications and games as Galaxy S21 Ultra, they have exactly the same 128 GB internal memory. Galaxy S21 Ultra has just a little better battery life than Asus ZenFone 8, because it has a 5000mAh battery capacity.