Compare phones
| Global Score | |
| 81.2 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 13 | Android 11, 10 |
| 2023-04-13 | 2020-03-23 |
| 6.81 x 3.03 x 0.41 inches | 6.26 x 2.96 x 0.35 inches |
| 8.43 ounces | 6.63 ounces |
| Storm White | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 2448 x 2080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 472 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 16 GB RAM | 4 GB RAM |
| Adreno 740 GPU | Mali-G72 MP3 GPU |
| 6.3 | 9.27 |
| Storage | |
| 512 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.55 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 6000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 has a general score of 84.1, which is slightly better than the Asus ROG Phone 7 Ultimate's overall score of 81.2. Galaxy M21's design is noticeably lighter and somewhat thinner than the Asus ROG Phone 7 Ultimate, even though it was released 3 years before. These phones work with Android OS, but Galaxy M21 has 11 version while Asus ROG Phone 7 Ultimate has Android 13.
The Galaxy M21 counts with a much faster CPU than Asus ROG Phone 7 Ultimate, although it has lesser RAM memory, they both have a Octa-Core processor. Galaxy M21 features a bit more vivid screen than Asus ROG Phone 7 Ultimate, although it has a just a bit worse pixel quantity in each screen inch, a little smaller display and a way worse resolution of 1080 x 2340px.
The Asus ROG Phone 7 Ultimate features a much bigger memory to store more games and applications than Samsung Galaxy M21, because although it has no SD memory slot, it also counts with 512 GB internal memory. The Samsung Galaxy M21's battery life is very similar to the battery life in Asus ROG Phone 7 Ultimate.
Galaxy M21's camera is just as good as the Asus ROG Phone 7 Ultimate one, although the Galaxy M21 has a lot smaller sensor, a way lower video resolution and a lesser megapixels resolution camera in the back.
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