Compare phones
| Global Score | |
| 86.3 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11 |
| 2020-07-23 | 2021-01-29 |
| 6.73 x 3.07 x 0.39 inches | 5.97 x 2.80 x 0.31 inches |
| 8.47 ounces | 6.03 ounces |
| Black glare | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.6 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 390 pixels per inch | 424 pixels per inch |
| 1000 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Yes GPU | Adreno 660 GPU |
| 9.81 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 64.00 MP + 24.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.87 | 10.78 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 is a little bit better than the Asus ROG Phone 3, with a 91.8 score against 86.3. Even though the Galaxy S21 and the Asus ROG Phone 3 were released only 6 months apart, the Galaxy S21 is much thinner and incredibly lighter. The Asus ROG Phone 3 counts with a bit more powerful processor than Galaxy S21, and although they both have a Octa-Core CPU, the Asus ROG Phone 3 also has more RAM.
Samsung Galaxy S21 features a little sharper display than Asus ROG Phone 3, because although it has a little smaller display, it also counts with more display brightness, a little greater pixel density and a quite better 1080 x 2400 resolution. The Galaxy S21 features as much storage to store more games and applications as the Asus ROG Phone 3 one, they have equal internal memory capacity.
The Asus ROG Phone 3 features a way better battery duration than Galaxy S21, because it has 6000mAh of battery capacity against 4000mAh. The Asus ROG Phone 3 features a much better camera than Galaxy S21, and although they both have the same video quality and a same size camera aperture, the Asus ROG Phone 3 also has better video frame rates, a bigger sensor and a back facing camera with way more MP.
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