Compare phones
| Global Score | |
| 84.1 | 79.8 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | Android 12 |
| 2020-03-23 | 2022-09-19 |
| 6.26 x 2.96 x 0.35 inches | 6.81 x 3.03 x 0.41 inches |
| 6.63 ounces | 8.43 ounces |
| Midnight blue and Raven black | Space Gray |
| Plastic and Plastic | -- |
| 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 | 8.9 |
| Performance | |
| Exynos 9611 chipset | MediaTek Dimensity 9000+ (4 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali-G72 MP3 GPU | Mali-G710 MC10 GPU |
| 9.27 | 6.3 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 12.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.55 | 12.43 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| 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
The Galaxy M21 is a bit better than the Asus ROG Phone 6D, getting a global score of 84.1 against 79.8. Galaxy M21 is an noticeably older cellphone than Asus ROG Phone 6D, but it's notably lighter and somewhat thinner anyway. These phones have Android OS, but Galaxy M21 has an older 11 version while Asus ROG Phone 6D has Android 12.
The Galaxy M21 has a much greater hardware performance than Asus ROG Phone 6D, although it has lesser RAM memory, they both have the same number of cores. Asus ROG Phone 6D has just a bit better display than Samsung Galaxy M21, because although it has a little bit lower screen pixels density, it also counts with a little higher 1080 x 2448 pixels resolution, a really brighter screen and a quite bigger screen.
The Asus ROG Phone 6D captures clearer videos and photos than Galaxy M21, because it has a camera with a higher 50 mega pixels resolution, a bigger camera aperture to take better captures in poorly lited situations, a way higher 7680x4320 video quality and a lot larger back camera sensor providing a much higher image quality.
Asus ROG Phone 6D counts with a quite bigger storage capacity for games and applications than Samsung Galaxy M21, because although it has no slot for an SD memory card, it also counts with 256 GB internal storage. The Asus ROG Phone 6D and Galaxy M21 have similar battery durations.
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