Compare phones
| Global Score | |
| 91.8 | 84.2 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 14 |
| 2021-01-29 | 2024-01-08 |
| 5.97 x 2.80 x 0.31 inches | 6.45 x 3.02 x 0.35 inches |
| 6.03 ounces | 7.94 ounces |
| Gray, Phantom pink, Violet and White | Phantom Black and Rebel Grey |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.8 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 424 pixels per inch | 387 pixels per inch |
| 1300 cd/m2 brightness | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 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 |
| 8 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 750 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 12.00 MP + 10.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") 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 |
| 10.78 | 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 | |
| 4000mAh Li - Polymer Battery | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 7.2 |
| Other Features | |
| Bluetooth 5.0 | 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 is a little bit better than the Asus ROG Phone 8 Pro, getting a score of 91.8 against 84.2. These phones use Android OS (operating system), but the Samsung Galaxy S21 has the previous 11 version and Asus ROG Phone 8 Pro has Android 14 version. The Samsung Galaxy S21 body is somewhat thinner and way lighter than the Asus ROG Phone 8 Pro, despite of the fact that it was released many years before.
Asus ROG Phone 8 Pro counts with a bit sharper display than Galaxy S21, because although it has a quite worse screen density, and they both have the same exact resolution of 1080 x 2400px, the Asus ROG Phone 8 Pro also counts with a way brighter screen and a bit bigger screen. The Asus ROG Phone 8 Pro features a lot bigger memory capacity to store more apps and games than Galaxy S21, because it has more internal storage.
Galaxy S21 counts with a much faster CPU than Asus ROG Phone 8 Pro, although it has a lower amount of RAM, they both have a Octa-Core processing unit. Asus ROG Phone 8 Pro takes much better photographs and videos than Samsung Galaxy S21, because although it has a tinier camera aperture which is not good for low light captures, and they both have the same 24 frames per second video frame rate and the same video resolution, the Asus ROG Phone 8 Pro also counts with a way better resolution camera in the back and a bigger back-facing camera sensor.
The Asus ROG Phone 8 Pro counts with a superior battery performance than Galaxy S21, because it has a 38 percent greater battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.