Compare phones
| Global Score | |
| 69.5 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 15 | Android 11 |
| -- | 2021-01-29 |
| -- | 6.50 x 2.98 x 0.35 inches |
| 8.01 ounces | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 999.00 | $ 966.00 |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| -- | 3200 x 1440 pixels |
| OLED | Dynamic AMOLED |
| -- | 516 pixels per inch |
| 2500 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 4.8 | 9.8 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 12 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 108.00 MP + 40.00 MP |
| -- | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.22 | 13.75 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7.6 | 10.7 |
| Battery Life | |
| 5800mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.44 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | 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
The Samsung Galaxy S21 Ultra has a global score of 98.1, which is a lot better than the Asus ROG Phone 9's overall score of 69.5. Both of these phones work with Android operating system, but the Samsung Galaxy S21 Ultra has older 11 version while Asus ROG Phone 9 has Android 15. Galaxy S21 Ultra counts with a much better screen than Asus ROG Phone 9, although it has much lower brightness, they both have a screen with the same size.
The Galaxy S21 Ultra features a very superior processing unit than Asus ROG Phone 9. Both have the same RAM memory amount and a Octa-Core processing unit. Asus ROG Phone 9 counts with a much better memory for games and applications than Samsung Galaxy S21 Ultra, because it has 256 GB internal memory.
Asus ROG Phone 9 features just a bit better battery duration than Samsung Galaxy S21 Ultra, because it has 5800mAh of battery capacity instead of 5000mAh. The Galaxy S21 Ultra features a greater camera than Asus ROG Phone 9, because it has a larger camera sensor taking more light and vivid colors, a back facing camera with much more mega pixels and a way better 7680x4320 video quality.
Even being the best phone between the ones we are comparing here, the Galaxy S21 Ultra is also cheaper.
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