Compare phones
| Global Score | |
| 91.8 | 76.1 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 14 |
| 2021-01-29 | 2024-03-14 |
| 5.97 x 2.80 x 0.31 inches | 6.45 x 3.02 x 0.35 inches |
| 6.03 ounces | 7.90 ounces |
| Gray, Phantom pink, Violet and White | Desert Sand, Eternal Black, Misty Grey and Skyline Blue |
| Aluminum and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.8 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 387 pixels per inch |
| 1300 cd/m2 brightness | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9.5 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 750 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM | Nano SIM |
| 10.7 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 7.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| 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
Samsung Galaxy S21 is a lot better than the Asus Zenfone 11 Ultra, getting a score of 91.8 against 76.1. Both of these phones work with Android operating system, but the Samsung Galaxy S21 has older 11 version while Asus Zenfone 11 Ultra has Android 14. Despite of the fact that the Samsung Galaxy S21 is extremely older than Asus Zenfone 11 Ultra, it's construction is lighter and thinner.
The Asus Zenfone 11 Ultra features a bit more vivid screen than Samsung Galaxy S21, because although it has a little worse pixel density, and they both have the same exact 1080 x 2400px resolution, the Asus Zenfone 11 Ultra also counts with much more brightness and a little bit bigger display. The Asus Zenfone 11 Ultra counts with a very superior storage capacity to install applications and games than Samsung Galaxy S21, because it has 256 GB internal memory.
Galaxy S21 counts with an extremely better CPU than Asus Zenfone 11 Ultra, although it has a lower amount of RAM memory, they both have the same number of cores. Asus Zenfone 11 Ultra has a superior camera than Samsung Galaxy S21, because although it has a smaller diafragm aperture which is not nice for low-light captures and video, and they both have the same video resolution and the same video frame rates, the Asus Zenfone 11 Ultra also counts with a way better 50 mega-pixels resolution back facing camera and a larger camera sensor providing a better image quality.
The Asus Zenfone 11 Ultra counts with a way better battery life than Galaxy S21, because it has 5500mAh of battery capacity.
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