Compare phones
| Global Score | |
| 85.5 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11 | Android 11 |
| 2021-05-13 | 2021-01-29 |
| 6.50 x 3.04 x 0.38 inches | 6.50 x 2.98 x 0.35 inches |
| 8.11 ounces | 8.04 ounces |
| Galactic Black and Glacier Silver | 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 | |
| 6.7 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 516 pixels per inch |
| 1000 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 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 |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 2 TB) external memory slot | No SD card slot |
| 17.14 | 10.1 |
| Camera | |
| 64.00 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 (30 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 |
| 12.1 | 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 | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 |
Comparison review
The Galaxy S21 Ultra is much better than the Asus ZenFone 8 Flip, with a 98.1 score against 85.5. Both phones we are comparing come with the same Android 11 operating system, so they should provide the same operating system features. Even though the Galaxy S21 Ultra and the 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.
Galaxy S21 Ultra has a little better hardware performance than Asus ZenFone 8 Flip, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has more RAM memory. Galaxy S21 Ultra has a sharper screen than Asus ZenFone 8 Flip, because it has more pixels per inch of screen, a little bigger display, a brighter screen and a higher resolution of 1440 x 3200.
The Asus ZenFone 8 Flip has a lot bigger memory capacity to store more games and applications than Galaxy S21 Ultra, and although they both have equal internal storage capacity, the Asus ZenFone 8 Flip also has an external memory card slot that admits a maximum of 2 TB. The Galaxy S21 Ultra's battery performance is very similar to Asus ZenFone 8 Flip's battery performance.
Galaxy S21 Ultra takes much better photos and videos than Asus ZenFone 8 Flip, because although it has worse 24 fps video frame rates, and they both have the same 7680x4320 video definition and a F1.8 camera aperture, the Galaxy S21 Ultra also counts with a much bigger sensor which offers a way higher photo and video quality and a back camera with much more MP.
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