Compare phones
| Global Score | |
| 76.1 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 14 | Android 11 |
| 2024-03-14 | 2021-01-29 |
| 6.45 x 3.02 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 7.90 ounces | 8.04 ounces |
| Desert Sand, Eternal Black, Misty Grey and Skyline Blue | Phantom black and Silver |
| Glass | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 387 pixels per inch | 516 pixels per inch |
| 2500 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.5 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.54 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 5500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.2 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | 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
Galaxy S21 Ultra has a general score of 98.1, which is much better than the Asus Zenfone 11 Ultra's 76.1 score. The Galaxy S21 Ultra is a just a little bit heavier phone than the Asus Zenfone 11 Ultra, but both of them are equally thin. Both of these phones work with Android OS, but the Galaxy S21 Ultra has an older 11 version while Asus Zenfone 11 Ultra has Android 14.
Samsung Galaxy S21 Ultra has a lot better processing power than Asus Zenfone 11 Ultra. Both have 12 GB of RAM memory and a Octa-Core processing unit. Galaxy S21 Ultra features a bit better display than Asus Zenfone 11 Ultra, because although it has much worse brightness, and they both have a display with the same size, the Galaxy S21 Ultra also counts with a better resolution of 1440 x 3200 and a greater display pixel density.
Samsung Galaxy S21 Ultra counts with just a bit better camera than Asus Zenfone 11 Ultra, and although they both have the same 24 fps video frame rates and the same video definition, the Samsung Galaxy S21 Ultra also has a larger back camera sensor, a much better 108 MP resolution back camera and a larger aperture.
Asus Zenfone 11 Ultra has much more memory capacity to install applications and games than Galaxy S21 Ultra, because it has 128 GB more internal memory. The Asus Zenfone 11 Ultra has just a little bit longer battery duration than Samsung Galaxy S21 Ultra, because it has a 10 percent more battery capacity.
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