Compare phones
| Global Score | |
| 84.9 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 12, 11 | Android 11 |
| 2021-08-26 | 2021-01-29 |
| 6.80 x 3.04 x 0.39 inches | 6.50 x 2.98 x 0.35 inches |
| 8.40 ounces | 8.04 ounces |
| Phantom Black and Storm White | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.8 inches | 6.8 inches |
| 2448 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 516 pixels per inch |
| 1200 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 9.8 |
| Performance | |
| Snapdragon 888+ SM8350 (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 660, 64-bit (Octa-Core 2990 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 11.00mm focal length | 24.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.75 inches (1/1.33") 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 | 13.75 |
| 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 Nano SIM Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| 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 Ultra is better than Asus ROG Phone 5s, getting a global score of 98.1 against 84.9. Both of these phones come with Android OS, but Galaxy S21 Ultra has older 11 version and Asus ROG Phone 5s has Android 12. Galaxy S21 Ultra's construction is a bit lighter and somewhat thinner than Asus ROG Phone 5s, although both were released only a couple of months apart.
The Galaxy S21 Ultra has a little bit better display than Asus ROG Phone 5s, and although they both have a screen with the same size, the Galaxy S21 Ultra also has a bit brighter screen, a better pixel density and a higher resolution of 1440 x 3200 pixels. The Asus ROG Phone 5s and the Galaxy S21 Ultra feature similar memory for games and applications, they have the same 128 GB internal memory capacity.
The Galaxy S21 Ultra's CPU is very similar to the processor in Asus ROG Phone 5s, and although the Galaxy S21 Ultra has more RAM memory, they both have a Octa-Core processor. The Asus ROG Phone 5s has better battery life than Galaxy S21 Ultra, because it has 6000mAh of battery capacity. Samsung Galaxy S21 Ultra shoots clearer videos and photos than Asus ROG Phone 5s, because although it has lower 24 frames per second video frame rate, and they both have the same video quality and a F1.8 aperture, the Samsung Galaxy S21 Ultra also counts with a back-facing camera with much more mega-pixels and a lot larger sensor which provides a way better image and video quality.
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