Compare phones
| Global Score | |
| 84.1 | 77.1 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | -- |
| 2020-03-23 | 2018-10-29 |
| 6.26 x 2.96 x 0.35 inches | 6.25 x 3.00 x 0.34 inches |
| 6.63 ounces | 7.05 ounces |
| Midnight blue and Raven black | Black |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 1099.00 |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 402 pixels per inch |
| 420 cd/m2 brightness | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.6 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2960 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.27 | 9.72 |
| 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 | 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 3.63 |
| 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 Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 has a score of 84.1, which is slightly better than Asus ROG Phone's 77.1 score. The Galaxy M21 body is newer and just a little bit lighter, but also a little bit thicker than the Asus ROG Phone. The Asus ROG Phone features a little more vivid screen than Samsung Galaxy M21, because although it has a little bit smaller screen, a bit lower pixel density and a bit lower 1080 x 2160 pixels resolution, it also counts with more brightness.
Asus ROG Phone has a little better hardware performance than Galaxy M21, and although they both have 8 processing cores, the Asus ROG Phone also has more RAM. The Asus ROG Phone counts with a much better storage capacity for games and applications than Samsung Galaxy M21, because although it has no SD memory slot, it also counts with 512 GB internal storage.
The Samsung Galaxy M21 features a much better battery lifetime than Asus ROG Phone, because it has a 6000mAh battery capacity against 4000mAh. The Samsung Galaxy M21 captures much better pictures and videos than Asus ROG Phone, because although it has slower 30 fps video frame rates and a tinier aperture which is not recommended for low-light photography and video, and they both have the same video definition, the Samsung Galaxy M21 also counts with a way larger sensor providing a way better image quality.
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