Compare phones
| Global Score | |
| 84.1 | 94 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | -- |
| 2020-03-23 | 2021-06-07 |
| 6.26 x 2.96 x 0.35 inches | 6.80 x 3.04 x 0.41 inches |
| 6.63 ounces | 8.40 ounces |
| Midnight blue and Raven black | Matte White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 2448 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9 |
| Performance | |
| Exynos 9611 chipset | Snapdragon 888 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 18 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 9.81 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 64.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 11.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 12.87 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 6000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Asus ROG Phone 5 Ultimate is much better than Samsung Galaxy M21, having a score of 94 against 84.1. The Asus ROG Phone 5 Ultimate is a newer phone than Samsung Galaxy M21, but it is a lot heavier and thicker. Asus ROG Phone 5 Ultimate has just a bit better hardware performance than Galaxy M21, and although they both have the same number of cores, the Asus ROG Phone 5 Ultimate also has a greater amount of RAM.
Asus ROG Phone 5 Ultimate counts with a bit sharper screen than Galaxy M21, because although it has a little bit lower display density, it also counts with a little bit larger display, a really brighter screen and a little higher 1080 x 2448px resolution. The Asus ROG Phone 5 Ultimate has a much better memory capacity for games and applications than Galaxy M21, because although it has no slot for external memory cards, it also counts with 512 GB internal storage capacity.
Asus ROG Phone 5 Ultimate shoots much clearer photos and videos than Samsung Galaxy M21, because it has a larger camera aperture, a larger back-facing camera sensor providing a higher image quality, a much better 7680x4320 video quality and a lot higher 64 megapixels resolution back-facing camera.
The Galaxy M21 and the Asus ROG Phone 5 Ultimate both have extremely similar battery performance.
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