Compare phones
| Global Score | |
| 90.8 | 88 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | -- |
| 2020-04-29 | 2019-09-04 |
| 6.26 x 2.90 x 0.34 inches | 6.73 x 3.06 x 0.37 inches |
| 6.60 ounces | 8.47 ounces |
| Prism cube black | Black Glare |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.6 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 390 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.5 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 855 Plus SM8150-AC chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G76 MP5 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 17.6 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 11.99 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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 Samsung Galaxy A51 5G has a general score of 90.8, which is a little bit better than Asus ROG Phone II's 88 global score. Samsung Galaxy A51 5G's body is lighter and a little bit thinner than Asus ROG Phone II, even when both of them were released only a few months apart. The Asus ROG Phone II features a bit better hardware performance than Galaxy A51 5G, and although they both have the same number of cores, the Asus ROG Phone II also has a higher amount of RAM.
The Asus ROG Phone II counts with a slightly better screen than Galaxy A51 5G, because although it has a quite lower 1080 x 2340 pixels resolution and a quite worse pixel density, it also counts with a quite bigger display. Asus ROG Phone II takes slightly better pictures and videos than Galaxy A51 5G, and although they both have a same resolution camera, the same (4K) video definition and the same camera sensor size, the Asus ROG Phone II also has a bigger diafragm aperture for better photography in low-light environments and better 60 fps video frame rates.
The Asus ROG Phone II has more storage to store more games and applications than Samsung Galaxy A51 5G, because although it has no SD memory slot, it also counts with 512 GB internal memory capacity. Asus ROG Phone II has superior battery lifetime than Galaxy A51 5G, because it has a 33 percent greater battery capacity.
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