Compare phones
| Global Score | |
| 98.1 | 84.2 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 14 |
| 2021-01-29 | 2024-01-08 |
| 6.50 x 2.98 x 0.35 inches | 6.45 x 3.02 x 0.35 inches |
| 8.04 ounces | 7.94 ounces |
| Phantom black and Silver | Phantom Black and Rebel Grey |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 516 pixels per inch | 387 pixels per inch |
| 1500 cd/m2 brightness | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 9.5 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | QualcommSnapdragon 8 Gen 3 SM8650-AB (3 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 12 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 750 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 + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | 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 | 12.54 |
| 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 | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 7.2 |
| 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
The Samsung Galaxy S21 Ultra has a global score of 98.1, which is much better than the Asus ROG Phone 8 Pro's score of 84.2. Both phones in this review work with Android OS, but the Samsung Galaxy S21 Ultra has the previous 11 version while Asus ROG Phone 8 Pro has Android 14 version. The Samsung Galaxy S21 Ultra is a a little heavier cellphone than Asus ROG Phone 8 Pro, but both of them have the same thickness.
Galaxy S21 Ultra counts with a very superior CPU than Asus ROG Phone 8 Pro, although it has a smaller amount of RAM, they both have 8 cpu cores. Galaxy S21 Ultra has a bit more vivid display than Asus ROG Phone 8 Pro, because although it has much lower brightness, and they both have a same size display, the Galaxy S21 Ultra also counts with a better display pixels density and a better 1440 x 3200px resolution.
Galaxy S21 Ultra shoots clearer photographs and videos than Asus ROG Phone 8 Pro, and although they both have the same video frame rate and the same 7680x4320 video definition, the Galaxy S21 Ultra also has a larger back-facing camera sensor which offers a better image and video quality, a bigger aperture and a much more mega-pixels back facing camera.
Asus ROG Phone 8 Pro features a way bigger storage capacity for games and applications than Samsung Galaxy S21 Ultra, because it has 512 GB internal storage. The Asus ROG Phone 8 Pro has a bit better battery duration than Samsung Galaxy S21 Ultra, because it has a 5500mAh battery size instead of 5000mAh.
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