Compare phones
| Global Score | |
| 98.1 | 87.4 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 10 |
| 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 | 8 GB RAM |
| Adreno 660 GPU | Adreno 650 GPU |
| 9.72 | 9.81 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| 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
Galaxy S21 Ultra is better than the Asus ROG Phone 3 Strix Edition, with a global score of 98.1 against 87.4. Galaxy S21 Ultra's body is thinner and just a little bit lighter than the Asus ROG Phone 3 Strix Edition, even when both of them were only released with a couple of months difference. These devices come with Android OS, but Galaxy S21 Ultra has newer 11 version and Asus ROG Phone 3 Strix Edition has Android 10 version.
The Asus ROG Phone 3 Strix Edition counts with just a little better hardware performance than Galaxy S21 Ultra, although it has a smaller amount of RAM, they both have 8 CPU cores. Samsung Galaxy S21 Ultra counts with a better looking screen than Asus ROG Phone 3 Strix Edition, because it has a brighter display, a higher pixel density, a higher 1440 x 3200 resolution and a quite bigger screen.
The Asus ROG Phone 3 Strix Edition has a much greater storage for applications, games, photos and videos than Galaxy S21 Ultra, because it has 128 GB more internal memory. Asus ROG Phone 3 Strix Edition counts with improved battery lifetime than Galaxy S21 Ultra, because it has a 6000mAh battery capacity against 5000mAh.
The Samsung Galaxy S21 Ultra shoots a little bit better pictures and videos than Asus ROG Phone 3 Strix Edition, because although it has worse video frame rate, and they both have the same video definition and the same aperture, the Samsung Galaxy S21 Ultra also counts with a back-facing camera with way more megapixels and a much bigger sensor.
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