Compare phones
| Global Score | |
| 75.5 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-10-30 | 2021-01-29 |
| 6.18 x 2.98 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 6.17 ounces | 6.03 ounces |
| Black and White | Gray, Phantom pink, Violet and White |
| Glass and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.45 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.68 | 10.78 |
| 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 | |
| 3600mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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
Samsung Galaxy S21 has an overall score of 91.8, which is a lot better than the Asus ZenFone 4 Pro's 75.5 general score. Both of these phones come with Android OS (Operating System), but Samsung Galaxy S21 has an older 11 version and Asus ZenFone 4 Pro has Android 8.0 Oreo version. Although the Samsung Galaxy S21 is just a little thicker than Asus ZenFone 4 Pro, it's just a little bit lighter and incredibly newer.
The Samsung Galaxy S21 has a better display than Asus ZenFone 4 Pro, because it has a little larger display, a little better pixel count in each screen inch and a slightly better 1080 x 2400 resolution. The Asus ZenFone 4 Pro features a very superior memory for games and applications than Samsung Galaxy S21, because although it has 0 less internal storage, it also counts with a slot for SD memory cards that supports up to 1,95 TB.
Galaxy S21 counts with a bit better CPU than Asus ZenFone 4 Pro, and although they both have the same number of cores, the Galaxy S21 also has more RAM memory. Galaxy S21 counts with just a bit longer battery life than Asus ZenFone 4 Pro, because it has 4000mAh of battery capacity against 3600mAh.
The Galaxy S21 has a better camera than Asus ZenFone 4 Pro, because although it has a smaller aperture which is not nice for low-light images, and they both have a back camera with a 12 mega-pixels, the Galaxy S21 also counts with a lot better video definition and a lot bigger back camera sensor.
The Samsung Galaxy S21 is more expensive than Asus ZenFone 4 Pro, but you can get a much better phone for that few more dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.