Compare phones
| Global Score | |
| 84.1 | 76.1 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | Android 14 |
| 2020-03-23 | 2024-03-14 |
| 6.26 x 2.96 x 0.35 inches | 6.45 x 3.02 x 0.35 inches |
| 6.63 ounces | 7.90 ounces |
| Midnight blue and Raven black | Desert Sand, Eternal Black, Misty Grey and Skyline Blue |
| Plastic and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 387 pixels per inch |
| 420 cd/m2 brightness | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.5 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 750 GPU |
| 9.27 | 6.21 |
| 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 + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm 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 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 7.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| 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
Galaxy M21 is much better than Asus Zenfone 11 Ultra, having a general score of 84.1 against 76.1. The Galaxy M21 design has the same thickness than the Asus Zenfone 11 Ultra, but it is lighter. These devices work with Android OS (Operating System), but Galaxy M21 has an older 11 version while Asus Zenfone 11 Ultra has Android 14 version.
Galaxy M21 has a much more powerful processor than Asus Zenfone 11 Ultra, although it has a lower amount of RAM memory, they both have 8 processing cores. The Asus Zenfone 11 Ultra features a more vivid display than Galaxy M21, because although it has a bit inferior pixel count in each inch of screen, it also counts with a lot brighter screen, a little higher 1080 x 2400px resolution and a little bit larger screen.
Asus Zenfone 11 Ultra counts with a bit better camera than Samsung Galaxy M21, because it has a much larger back-facing camera sensor, a better 50 mega pixels resolution back-facing camera, a larger aperture to capture better low-light captures and video and a way higher 7680x4320 video definition.
The Asus Zenfone 11 Ultra counts with a bigger storage to install applications and games or saving photos and videos than Galaxy M21, because although it has no external memory slot, it also counts with 256 GB internal memory capacity. Galaxy M21 features just a little better battery lifetime than Asus Zenfone 11 Ultra, because it has 6000mAh of battery capacity instead of 5500mAh.
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