| Global Score | |
| 94 | 85.5 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11, 10 |
| 2021-06-07 | 2019-12-27 |
| 6.80 x 3.04 x 0.41 inches | 6.24 x 2.90 x 0.31 inches |
| 8.40 ounces | 6.07 ounces |
| Matte White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 2448 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| 1200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8.1 |
| Performance | |
| Snapdragon 888 chipset | Samsung Exynos 9611 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 18 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.27 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 14.14 |
| Camera | |
| 64.00 MP + 24.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 11.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.87 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 6000mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Asus ROG Phone 5 Ultimate is a little bit better than Samsung Galaxy A51, getting a general score of 94 against 85.5. Although the Asus ROG Phone 5 Ultimate is newer than the Samsung Galaxy A51, it's much thicker and notably heavier. Asus ROG Phone 5 Ultimate features a bit more powerful processor than Galaxy A51, and although they both have a Octa-Core processing unit, the Asus ROG Phone 5 Ultimate also has more RAM memory.
Asus ROG Phone 5 Ultimate has a sharper display than Galaxy A51, because although it has a little inferior quantity of pixels per inch in the screen, it also counts with a little bit bigger display and a little higher 1080 x 2448 resolution. The Asus ROG Phone 5 Ultimate has a better camera than Galaxy A51, because it has a way higher 7680x4320 video definition, a bigger camera aperture to take better low light photography and videos, a back-facing camera with a lot higher 64 megapixels resolution and a larger sensor capturing higher quality videos and photographs.
The Asus ROG Phone 5 Ultimate counts with a way bigger memory capacity for applications and games than Samsung Galaxy A51, because although it has no slot for an external memory card, it also counts with more internal storage capacity. Asus ROG Phone 5 Ultimate has a much longer battery life than Samsung Galaxy A51, because it has 6000mAh of battery capacity against 4000mAh.
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