Compare phones
| Global Score | |
| 74.5 | 98.1 |
| Basic Information | |
| Asus | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-05-01 | 2021-01-29 |
| 6.02 x 2.98 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 5.82 ounces | 8.04 ounces |
| Blue and Silver | Phantom black and Silver |
| Aluminum and Glass | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.2 inches | 6.8 inches |
| 2246 x 1080 pixels | 3200 x 1440 pixels |
| Super IPS+ LCD | Dynamic AMOLED |
| 402 pixels per inch | 516 pixels per inch |
| 550 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 509 GPU | Adreno 660 GPU |
| 9 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | No SD card slot |
| 14.66 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.79 | 13.75 |
| 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), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra is way better than Asus ZenFone 5 (ZE620KL), with a 98.1 score against 74.5. Even though Galaxy S21 Ultra is extremely newer than the Asus ZenFone 5 (ZE620KL), it's somewhat thicker and notably heavier. These devices work with Android operating system, but Galaxy S21 Ultra has an older 11 version and Asus ZenFone 5 (ZE620KL) has Android 9.0 Pie version.
The Galaxy S21 Ultra counts with a bit superior processor than Asus ZenFone 5 (ZE620KL), and although they both have 8 cores, the Galaxy S21 Ultra also has a higher amount of RAM. Galaxy S21 Ultra has a more vivid display than Asus ZenFone 5 (ZE620KL), because it has more pixels per inch of screen, a higher resolution of 1440 x 3200px, a little bigger display and a much brighter display.
Asus ZenFone 5 (ZE620KL) counts with much more storage capacity to store more apps and games than Galaxy S21 Ultra, because although it has less internal memory, it also counts with a SD memory slot that allows up to 1,95 TB. The Galaxy S21 Ultra has a greater camera than Asus ZenFone 5 (ZE620KL), and although they both have a same size aperture, the Galaxy S21 Ultra also has a back-facing camera with a much higher resolution, a way better video quality and a lot larger sensor providing a lot better image quality.
The Galaxy S21 Ultra features a much longer battery life than Asus ZenFone 5 (ZE620KL), because it has a 52 percent bigger battery size.
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