Compare phones
| Global Score | |
| 79.5 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| Android 14 | Android 11 |
| 2024-01-08 | 2021-01-29 |
| 6.45 x 3.02 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 7.94 ounces | 6.03 ounces |
| Phantom Black and Rebel Grey | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.8 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| OLED | Dynamic AMOLED |
| 387 pixels per inch | 424 pixels per inch |
| 2500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.5 | 9.2 |
| Performance | |
| QualcommSnapdragon 8 Gen 3 SM8650-AB (3 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) 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 |
| 12.54 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 10.6 | 10.7 |
| Battery Life | |
| 5500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 7.2 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| 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
Galaxy S21 has a global score of 91.8, which is much better than Asus ROG Phone 8's general score of 79.5. Galaxy S21's construction is thinner and notably lighter than Asus ROG Phone 8, although it was released 3 years before. Both phones in this comparison work with Android OS (operating system), but the Galaxy S21 has the older 11 version and Asus ROG Phone 8 has Android 14.
Asus ROG Phone 8 features a bit more vivid display than Samsung Galaxy S21, because although it has a little bit lower screen density, and they both have exactly the same resolution of 1080 x 2400, the Asus ROG Phone 8 also counts with way more brightness and a quite larger screen. The Asus ROG Phone 8 features a very superior memory capacity to install applications and games than Galaxy S21, because it has 256 GB internal memory.
Samsung Galaxy S21 features a very superior performance than Asus ROG Phone 8, although it has 4 GB less RAM, they both have 8 processing cores. Asus ROG Phone 8 features a much longer battery duration than Samsung Galaxy S21, because it has a 38 percent larger battery size. The Asus ROG Phone 8 takes better pictures and videos than Galaxy S21, because although it has a smaller diafragm aperture which is not nice for low-light captures, and they both have the same video frame rate and the same 7680x4320 video quality, the Asus ROG Phone 8 also counts with a way higher 50 megapixels resolution back facing camera and a bigger back camera sensor capturing more light and vivid colors.
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