| Global Score | |
| 75.5 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-10-30 | 2021-01-29 |
| 6.18 x 2.98 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 6.17 ounces | 8.04 ounces |
| Black and White | Phantom black and Silver |
| Glass and Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.45 | 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/1.70 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 |
| 9.68 | 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 | |
| 3600mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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 |
Galaxy S21 Ultra has a global score of 98.1, which is a lot better than Asus ZenFone 4 Pro's general score of 75.5. Galaxy S21 Ultra's construction is extremely newer, but thicker and incredibly heavier than Asus ZenFone 4 Pro. These phones include Android OS (Operating System), but the Galaxy S21 Ultra has an older 11 version while Asus ZenFone 4 Pro has Android 8.0 Oreo.
Galaxy S21 Ultra features an incredibly better screen than Asus ZenFone 4 Pro, because it has a higher pixel density, a much better 1440 x 3200 resolution and a larger display. The Galaxy S21 Ultra features a bit superior processing unit than Asus ZenFone 4 Pro, and although they both have the same number of cores, the Galaxy S21 Ultra also has a greater amount of RAM memory.
Asus ZenFone 4 Pro has a much better storage capacity to install applications and games than Galaxy S21 Ultra, because although it has just 64 GB internal memory, it also counts with a slot for external memory cards that holds up to 1,95 TB. The Galaxy S21 Ultra counts with a way better battery performance than Asus ZenFone 4 Pro, because it has a 39 percent larger battery size.
The Samsung Galaxy S21 Ultra captures much better photos and videos than Asus ZenFone 4 Pro, because although it has a tinier aperture, it also counts with a way larger camera sensor which gives a lot better image and video quality, a much more megapixels back camera and a lot higher 7680x4320 video resolution.
The Samsung Galaxy S21 Ultra costs a lot more than the Asus ZenFone 4 Pro, but it's still a convenient choice, because you can get a lot more features for that extra money.
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