Compare phones
| Global Score | |
| 98.1 | 86.3 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | -- |
| 2021-01-29 | 2020-07-23 |
| 6.50 x 2.98 x 0.35 inches | 6.73 x 3.07 x 0.39 inches |
| 8.04 ounces | 8.47 ounces |
| Phantom black and Silver | Black glare |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.6 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 390 pixels per inch |
| 1500 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 865+ SM8250 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Yes GPU |
| 9.72 | 9.81 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 64.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 13.75 | 12.87 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1 |
| 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 Ultra is better than the Asus ROG Phone 3, having a 98.1 score against 86.3. The Samsung Galaxy S21 Ultra is a a little lighter and somewhat thinner phone than the Asus ROG Phone 3, although both of them were released only 6 months apart. The Galaxy S21 Ultra has a brighter screen than Asus ROG Phone 3, because it has a little larger display, a higher pixels quantity per inch in the display, a better resolution of 1440 x 3200px and a brighter display.
The Asus ROG Phone 3 has just a bit better hardware performance than Samsung Galaxy S21 Ultra. They have 12 GB of RAM and 8 processing cores. Galaxy S21 Ultra shoots just a bit better videos and photos than Asus ROG Phone 3, because although it has worse 24 fps video frame rates, and they both have the same aperture and the same video quality, the Galaxy S21 Ultra also counts with a lot larger back camera sensor providing a much better image quality and a camera in the back with a way higher resolution.
The Asus ROG Phone 3 features as much storage to install games and applications as the Galaxy S21 Ultra, both of them have equal 128 GB internal memory capacity. The Asus ROG Phone 3 features greater battery duration than Galaxy S21 Ultra, because it has a 6000mAh battery size.
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