Compare phones
| Global Score | |
| 87.4 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 10 | Android 11 |
| 2020-07-23 | 2021-01-29 |
| 6.73 x 3.07 x 0.39 inches | 6.50 x 2.98 x 0.35 inches |
| 8.47 ounces | 8.04 ounces |
| Black glare | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.6 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 390 pixels per inch | 516 pixels per inch |
| 1000 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 650 GPU | Adreno 660 GPU |
| 9.81 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 64.00 MP + 24.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.87 | 13.75 |
| 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, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 6000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | 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
Samsung Galaxy S21 Ultra is better than the Asus ROG Phone 3 Strix Edition, with a 98.1 score against 87.4. Samsung Galaxy S21 Ultra is a somewhat thinner and a little bit lighter cellphone than the Asus ROG Phone 3 Strix Edition, even when both of them were released only a couple months apart. Both of these devices have Android OS (Operating System), but Samsung Galaxy S21 Ultra has newer 11 version while Asus ROG Phone 3 Strix Edition has Android 10, providing you some nice extra features and improved performance.
Galaxy S21 Ultra counts with a brighter display than Asus ROG Phone 3 Strix Edition, because it has a little bit larger screen, more screen brightness, a higher resolution of 1440 x 3200 pixels and a greater screen pixel density. Asus ROG Phone 3 Strix Edition has a little bit better processing power than Galaxy S21 Ultra, although it has a smaller amount of RAM, they both have 8 cores.
The Galaxy S21 Ultra counts with a slightly better camera than Asus ROG Phone 3 Strix Edition, because although it has worse 24 frames per second video frame rate, and they both have the same 7680x4320 video resolution and the same camera aperture, the Galaxy S21 Ultra also counts with a way larger back camera sensor taking more light and vivid colors and a lot higher 108 megapixels resolution back camera.
Asus ROG Phone 3 Strix Edition counts with much more memory for games and applications than Galaxy S21 Ultra, because it has 256 GB internal storage capacity. Asus ROG Phone 3 Strix Edition counts with improved battery duration than Samsung Galaxy S21 Ultra, because it has 6000mAh of battery capacity.
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