| Global Score | |
| 98.1 | 79.1 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 12 |
| 2021-01-29 | 2022-07-05 |
| 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 | Phantom Black and Storm White |
| 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 | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 730 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 | -- |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | -- |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 8.36 |
| 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 Dual Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth |
| 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 | -- |
The Galaxy S21 Ultra is a lot better than the Asus ROG Phone 6, getting a score of 98.1 against 79.1. Although Galaxy S21 Ultra is older than Asus ROG Phone 6, it's body is just a little lighter and somewhat thinner. These phones include Android OS, but the Galaxy S21 Ultra has the older 11 version while Asus ROG Phone 6 has Android 12.
Galaxy S21 Ultra has a brighter display than Asus ROG Phone 6, and although they both have a same size screen, the Galaxy S21 Ultra also has a higher resolution of 1440 x 3200px, a bit more display brightness and a better pixel quantity in each inch in the display. The Asus ROG Phone 6 features a much better memory capacity to install games and applications than Galaxy S21 Ultra, because it has 512 GB internal memory capacity.
The Galaxy S21 Ultra counts with a much better hardware performance than Asus ROG Phone 6, although it has a smaller amount of RAM, they both have 8 cpu cores. Asus ROG Phone 6 features improved battery duration than Samsung Galaxy S21 Ultra, because it has 6000mAh of battery capacity. The Galaxy S21 Ultra counts with a very superior camera than Asus ROG Phone 6, because it has a much more MP back facing camera.
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