Compare phones
| Global Score | |
| 98.1 | 85.5 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-05-13 |
| 6.50 x 2.98 x 0.35 inches | 6.50 x 3.04 x 0.38 inches |
| 8.04 ounces | 8.11 ounces |
| Phantom black and Silver | Galactic Black and Glacier Silver |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 2 TB) external memory slot |
| 10.1 | 17.14 |
| Camera | |
| 108.00 MP + 40.00 MP | 64.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 27.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 13.75 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 Ultra has an overall score of 98.1, which is better than Asus ZenFone 8 Flip's 85.5 global score. Although the Galaxy S21 Ultra and Asus ZenFone 8 Flip were only released 3 months apart, the Galaxy S21 Ultra is just a little bit thinner and just a little lighter. These devices include the same Android 11 OS (operating system), so they should provide the user the same operating system features.
The Galaxy S21 Ultra has a brighter display than Asus ZenFone 8 Flip, because it has more display brightness, a bit larger screen, a higher pixels density and a better resolution of 1440 x 3200. Asus ZenFone 8 Flip counts with a much greater storage capacity to install games and applications than Galaxy S21 Ultra, and although they both have exactly the same 128 GB internal memory capacity, the Asus ZenFone 8 Flip also has a SD card slot that admits up to 2 TB.
The Samsung Galaxy S21 Ultra has a little faster processor than Asus ZenFone 8 Flip, and although they both have a Octa-Core CPU, the Samsung Galaxy S21 Ultra also has a larger amount of RAM memory. Galaxy S21 Ultra takes better videos and photos than Asus ZenFone 8 Flip, because although it has worse 24 frames per second video frame rate, and they both have the same diafragm aperture and the same 7680x4320 video quality, the Galaxy S21 Ultra also counts with a way bigger back camera sensor taking way better quality videos and pictures and a much higher 108 megapixels resolution back camera.
The Galaxy S21 Ultra and the Asus ZenFone 8 Flip count with quite similar battery durations.
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