Compare phones
| Global Score | |
| 98.1 | 83.2 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 12 |
| 2021-01-29 | 2022-09-19 |
| 6.50 x 2.98 x 0.35 inches | 6.81 x 3.03 x 0.41 inches |
| 8.04 ounces | 8.43 ounces |
| Phantom black and Silver | Space Gray |
| Aluminum and Glass (Corning Gorilla Glass Victus) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 3200 x 1440 pixels | 2448 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Dimensity 9000+ (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Mali-G710 MC10 GPU |
| 9.72 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 108.00 MP + 40.00 MP | 50.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 13.75 | 12.43 |
| 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) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| 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 5.3 |
| 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 6D Ultimate, with a overall score of 98.1 against 83.2. Even though Samsung Galaxy S21 Ultra is older than the Asus ROG Phone 6D Ultimate, it's design is somewhat thinner and just a bit lighter. Both devices in this comparison have Android OS, but Samsung Galaxy S21 Ultra has 11 version and Asus ROG Phone 6D Ultimate has Android 12 version.
The Galaxy S21 Ultra features a more vivid screen than Asus ROG Phone 6D Ultimate, and although they both have a same size display, the Galaxy S21 Ultra also has a higher resolution of 1440 x 3200 pixels, a better screen pixel density and a little brighter display. The Samsung Galaxy S21 Ultra features a much better hardware performance than Asus ROG Phone 6D Ultimate, although it has less RAM, they both have a Octa-Core CPU.
The Asus ROG Phone 6D Ultimate features much more storage to install applications and games or saving photos and videos than Samsung Galaxy S21 Ultra, because it has 512 GB internal memory capacity. Asus ROG Phone 6D Ultimate has longer battery performance than Galaxy S21 Ultra, because it has a 6000mAh battery size.
Galaxy S21 Ultra has a better camera than Asus ROG Phone 6D Ultimate, and although they both have the same 24 fps video frame rates and the same 7680x4320 video definition, the Galaxy S21 Ultra also has a bigger camera sensor taking more light and vivid colors, a bigger camera aperture to take better captures and video in low light situations and a much higher resolution camera in the back.
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