Compare phones
| Global Score | |
| 83 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11 | Android 11 |
| 2021-05-13 | 2021-01-29 |
| 5.83 x 2.70 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 5.96 ounces | 8.04 ounces |
| Horizon Silver and Obsidian Black | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 5.9 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 446 pixels per inch | 516 pixels per inch |
| 1100 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 64.00 MP + 12.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.65 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4000mAh Nano SIM Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.2, EDR | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra is much better than Asus ZenFone 8, having a 98.1 score against 83. The Galaxy S21 Ultra is a much heavier phone than the Asus ZenFone 8, but both are 0.35inches thick. Both of these phones come with the same Android 11 OS, so you shouldn't notice any difference regarding that. The Galaxy S21 Ultra counts with a bit more vivid screen than Asus ZenFone 8, because it has a better 1440 x 3200 pixels resolution, a bigger display, a just a bit higher pixel density and more brightness.
The Galaxy S21 Ultra's storage for apps and games is very similar to the Asus ZenFone 8 one, they have the same internal storage capacity. Galaxy S21 Ultra features a bit faster CPU than Asus ZenFone 8, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has a higher amount of RAM. Samsung Galaxy S21 Ultra features just a bit better camera than Asus ZenFone 8, and although they both have the same 7680x4320 video definition, the same aperture and the same video frame rates, the Samsung Galaxy S21 Ultra also has a much bigger camera sensor which provides a way higher photo and video quality and a camera with way more mega-pixels.
The Galaxy S21 Ultra counts with longer battery performance than Asus ZenFone 8, because it has 5000mAh of battery capacity.
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