Compare phones
| Global Score | |
| 91.8 | 79.5 |
| 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 | 12 GB RAM |
| Adreno 660 GPU | Adreno 750 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| 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
The Galaxy S21 has a general score of 91.8, which is much better than Asus ROG Phone 8's score of 79.5. These devices have Android operating system, but Galaxy S21 has 11 version and Asus ROG Phone 8 has Android 14. Galaxy S21 is an incredibly older phone than the Asus ROG Phone 8, but Samsung could make it way lighter and thinner.
Asus ROG Phone 8 features just a bit better looking display than Galaxy S21, because although it has a just a bit lower pixels density, and they both have an equal 1080 x 2400 pixels resolution, the Asus ROG Phone 8 also counts with a bit larger display and way more display brightness. Galaxy S21 counts with a way better hardware performance than Asus ROG Phone 8, although it has a lower amount of RAM, they both have the same number of cores.
Asus ROG Phone 8 takes much clearer videos and photos than Samsung Galaxy S21, because although it has a smaller aperture which is not favorable for capturing photos and video in poorly lited situations, and they both have the same video frame rates and the same 7680x4320 video resolution, the Asus ROG Phone 8 also counts with a back camera with lot more megapixels and a bigger sensor capturing higher quality videos and photos.
Asus ROG Phone 8 counts with a much greater memory to install applications and games or saving photos and videos than Galaxy S21, because it has 256 GB internal memory. Asus ROG Phone 8 has a really longer battery lifetime than Galaxy S21, because it has 5500mAh of battery capacity instead of 4000mAh.
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