Compare phones
| Global Score | |
| 91.8 | 86.3 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | -- |
| 2021-01-29 | 2020-07-23 |
| 5.97 x 2.80 x 0.31 inches | 6.73 x 3.07 x 0.39 inches |
| 6.03 ounces | 8.47 ounces |
| Gray, Phantom pink, Violet and White | Black glare |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.6 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 390 pixels per inch |
| 1300 cd/m2 brightness | 1000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 865+ SM8250 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Yes GPU |
| 9.63 | 9.81 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 64.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 12.87 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 has a general score of 91.8, which is just a bit better than Asus ROG Phone 3's general score of 86.3. The Samsung Galaxy S21 design is way thinner and incredibly lighter than Asus ROG Phone 3, even though both were released only a few months apart. Samsung Galaxy S21 features a slightly better looking screen than Asus ROG Phone 3, because although it has a bit smaller screen, it also counts with a just a bit higher pixels count per display inch, a slightly higher 1080 x 2400 resolution and more brightness.
The Asus ROG Phone 3 has just a little better processing power than Galaxy S21, and although they both have 8 cpu cores, the Asus ROG Phone 3 also has a higher amount of RAM memory. The Asus ROG Phone 3's storage capacity to store more games and applications is just as good as Samsung Galaxy S21's one, both have equal 128 GB internal storage.
Asus ROG Phone 3 shoots much clearer videos and photos than Galaxy S21, and although they both have the same 7680x4320 video quality and a F1.8 aperture, the Asus ROG Phone 3 also has a camera with a much better resolution, a bigger back-facing camera sensor which offers a higher image and video quality and higher 30 frames per second video frame rate.
The Asus ROG Phone 3 counts with a way better battery duration than Galaxy S21, because it has a 50 percent larger battery size.
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