Compare phones
| Global Score | |
| 88 | 85.5 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11, 10 |
| 2019-09-04 | 2019-12-27 |
| 6.73 x 3.06 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 8.47 ounces | 6.07 ounces |
| Black Glare | 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 | |
| 6.6 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 390 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 Plus SM8150-AC chipset | Samsung Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 640 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 | |
| 48.00 MP + 24.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) 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 |
| 11.99 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0, EDR | 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 | FM Radio |
Comparison review
The Asus ROG Phone II is a bit better than the Galaxy A51, having an 88 score against 85.5. Even though the Asus ROG Phone II is a better phone than Galaxy A51, we must highlight that it's also much heavier and somewhat thicker. The Asus ROG Phone II features a bit superior processor than Samsung Galaxy A51, and although they both have 8 processing cores, the Asus ROG Phone II also has 8 GB more RAM.
Asus ROG Phone II features a slightly better looking screen than Galaxy A51, because although it has a little worse resolution of 1080 x 2340 and a little less pixels per inch of screen, it also counts with a bit bigger display. The Asus ROG Phone II has a much greater memory capacity for games and applications than Samsung Galaxy A51, because although it has no slot for external memory cards, it also counts with 512 GB internal memory capacity.
Asus ROG Phone II counts with a much better battery lifetime than Samsung Galaxy A51, because it has a 50 percent larger battery size. Asus ROG Phone II has just a bit better camera than Samsung Galaxy A51, and although they both have the same resolution back-facing camera, a same size sensor and the same (4K) video resolution, the Asus ROG Phone II also has a bigger aperture to capture better low light captures and videos and higher 60 fps video frame rate.
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