Compare phones
| Global Score | |
| 76.1 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| Android 14 | Android 10 |
| 2024-03-14 | 2020-06-19 |
| 6.45 x 3.02 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 7.90 ounces | 6.77 ounces |
| Desert Sand, Eternal Black, Misty Grey and Skyline Blue | Black, Blue, Red and White |
| Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 387 pixels per inch | 270 pixels per inch |
| 2500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 750 GPU | Mali-G76 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.54 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 5500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.2 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Samsung Galaxy A21s has a general score of 77.7, which is a little bit better than Asus Zenfone 11 Ultra's 76.1 global score. Both phones we compare here have Android operating system, but the Samsung Galaxy A21s has older 10 version and Asus Zenfone 11 Ultra has Android 14 version. The Samsung Galaxy A21s is a lighter phone than Asus Zenfone 11 Ultra, but both of them are equally thin.
Asus Zenfone 11 Ultra has a way better looking screen than Samsung Galaxy A21s, because it has more pixels per screen inch, a much higher 1080 x 2400 resolution and a quite larger display. The Galaxy A21s features a much more powerful CPU than Asus Zenfone 11 Ultra, although it has 9 GB less RAM memory, they both have a Octa-Core processing unit.
Asus Zenfone 11 Ultra features a much better storage for applications and games than Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with 256 GB internal storage capacity. Asus Zenfone 11 Ultra counts with just a little bit longer battery performance than Galaxy A21s, because it has a 10 percent greater battery size.
The Asus Zenfone 11 Ultra features a superior camera than Samsung Galaxy A21s, because it has a camera in the back with more mega-pixels, a bigger aperture, a lot higher 7680x4320 video resolution and a way larger sensor.
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