Compare phones
| Global Score | |
| 84.2 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 14 | Android 11 |
| 2024-01-08 | 2021-01-29 |
| 6.45 x 3.02 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 7.94 ounces | 8.04 ounces |
| Phantom Black and Rebel Grey | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| OLED | 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 | |
| QualcommSnapdragon 8 Gen 3 SM8650-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 12 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.3 | 9.72 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 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, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 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 5.3 | 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 Samsung Galaxy S21 Ultra is better than the Asus ROG Phone 8 Pro, with a 98.1 score against 84.2. The Samsung Galaxy S21 Ultra body has the same thickness than Asus ROG Phone 8 Pro, but it's a bit heavier. These phones work with Android OS (operating system), but the Samsung Galaxy S21 Ultra has 11 version and Asus ROG Phone 8 Pro has Android 14 version.
Galaxy S21 Ultra has a way better processing power than Asus ROG Phone 8 Pro, although it has a smaller amount of RAM memory, they both have the same number of cores. The Samsung Galaxy S21 Ultra has a slightly better screen than Asus ROG Phone 8 Pro, because although it has much worse brightness, and they both have a same size display, the Samsung Galaxy S21 Ultra also counts with a higher screen pixels density and a higher 1440 x 3200px resolution.
Galaxy S21 Ultra counts with a little bit better camera than Asus ROG Phone 8 Pro, and although they both have the same 24 fps video frame rate and the same 7680x4320 video quality, the Galaxy S21 Ultra also has a larger aperture to take better low-light captures, a camera in the back with way more mega pixels and a bigger camera sensor providing a higher image quality.
Asus ROG Phone 8 Pro counts with a much better storage for applications, games, photos and videos than Galaxy S21 Ultra, because it has 512 GB internal storage. The Asus ROG Phone 8 Pro features a bit better battery lifetime than Samsung Galaxy S21 Ultra, because it has a 5500mAh battery size against 5000mAh.
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