Compare phones
| Global Score | |
| 94 | 87.7 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2021-06-07 | 2020-09-11 |
| 6.80 x 3.04 x 0.41 inches | 6.45 x 3.00 x 0.37 inches |
| 8.40 ounces | 7.51 ounces |
| Matte White | Black and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 2448 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 393 pixels per inch | 385 pixels per inch |
| 1200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8 |
| Performance | |
| Snapdragon 888 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 18 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 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 | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 11.00mm 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.87 | 11.88 |
| 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 | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 8.32 |
| 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 |
Comparison review
Asus ROG Phone 5 Ultimate is just a bit better than Galaxy M51, with a 94 score against 87.7. Despite being the best phone in this comparison, Asus ROG Phone 5 Ultimate is a heavier and a little thicker phone than the Galaxy M51. The Asus ROG Phone 5 Ultimate counts with just a little better performance than Galaxy M51, and although they both have a Octa-Core processor, the Asus ROG Phone 5 Ultimate also has a greater amount of RAM.
The Asus ROG Phone 5 Ultimate features a better looking display than Galaxy M51, because it has a bit higher 1080 x 2448 resolution, a little larger screen and a bit higher display pixels density. The Asus ROG Phone 5 Ultimate has a much greater storage capacity to install applications and games or saving photos and videos than Samsung Galaxy M51, because although it has no SD card slot, it also counts with more internal memory capacity.
The Samsung Galaxy M51 has superior battery duration than Asus ROG Phone 5 Ultimate, because it has 7000mAh of battery capacity against 6000mAh. Asus ROG Phone 5 Ultimate takes a bit better pictures and videos than Galaxy M51, and although they both have a back-facing camera with a 64 megapixels resolution and the same aperture, the Asus ROG Phone 5 Ultimate also has a bigger back-facing camera sensor providing a higher image quality and a much higher 7680x4320 video resolution.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.