Compare phones
| Global Score | |
| 74.2 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.0 Nougat | Android 11 |
| 2017-10-30 | 2021-01-29 |
| 6.12 x 2.96 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 5.82 ounces | 8.04 ounces |
| Black, Green and White | Phantom black and Silver |
| Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 399.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| Super IPS+ LCD | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| 600 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 630 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 508 GPU | Adreno 660 GPU |
| 9.18 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | No SD card slot |
| 14.66 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.57 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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
The Galaxy S21 Ultra is way better than Asus ZenFone 4, getting a 98.1 score against 74.2. Although the Galaxy S21 Ultra is noticeably newer than the Asus ZenFone 4, it is extremely heavier and thicker. Both of these phones come with Android OS (operating system), but Galaxy S21 Ultra has 11 version while Asus ZenFone 4 has Android 8.0 Oreo.
Galaxy S21 Ultra features just a bit better processing power than Asus ZenFone 4, and although they both have 8 CPU cores, the Galaxy S21 Ultra also has a greater amount of RAM memory. Galaxy S21 Ultra features a sharper display than Asus ZenFone 4, because it has a larger screen, a higher pixels density, a much brighter screen and a lot better 1440 x 3200 resolution.
Galaxy S21 Ultra counts with a way better camera than Asus ZenFone 4, and although they both have the same diafragm aperture, the Galaxy S21 Ultra also has a way higher 7680x4320 video quality, a lot bigger sensor taking lot higher quality photos and videos and a much higher resolution back-facing camera.
The Asus ZenFone 4 features a very superior memory to install games and applications than Galaxy S21 Ultra, because although it has 0 less internal memory, it also counts with an external SD slot that allows a maximum of 1,95 TB. The Galaxy S21 Ultra has a very superior battery lifetime than Asus ZenFone 4, because it has a 5000mAh battery size.
Samsung Galaxy S21 Ultra is way more expensive than Asus ZenFone 4, but you can get a much better phone for that few more dollars.
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