Compare phones
| Global Score | |
| 74.2 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.0 Nougat | Android 11 |
| 2017-10-30 | 2021-01-29 |
| 6.12 x 2.96 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.82 ounces | 6.03 ounces |
| Black, Green and White | Gray, Phantom pink, Violet and White |
| Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 399.00 | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super IPS+ LCD | Dynamic AMOLED |
| 401 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 630 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 508 GPU | Adreno 660 GPU |
| 9.18 | 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/1.80 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 |
| 9.57 | 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 | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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
The Samsung Galaxy S21 has a score of 91.8, which is way better than the Asus ZenFone 4's global score of 74.2. Although the Samsung Galaxy S21 is extremely newer than the Asus ZenFone 4, it is a little bit thicker and just a little bit heavier. Both of these phones include Android OS (Operating System), but Samsung Galaxy S21 has an older 11 version and Asus ZenFone 4 has Android 8.0 Oreo version.
The Galaxy S21 counts with a little more vivid display than Asus ZenFone 4, because it has way more brightness, a slightly better resolution of 1080 x 2400 pixels, a bit larger screen and a bit higher display density. Galaxy S21 counts with a bit better performance than Asus ZenFone 4, and although they both have a Octa-Core processing unit, the Galaxy S21 also has a higher amount of RAM.
Asus ZenFone 4 has a lot bigger memory capacity for games and applications than Galaxy S21, because although it has only 64 GB internal memory, it also counts with a SD extension slot that holds up to 1,95 TB. Galaxy S21 shoots much better pictures and videos than Asus ZenFone 4, and although they both have a same resolution camera and a same size camera aperture, the Galaxy S21 also has a lot better 7680x4320 video definition and a much bigger back camera sensor which provides a much higher image and video quality.
Samsung Galaxy S21 has improved battery performance than Asus ZenFone 4, because it has 4000mAh of battery capacity.
The Galaxy S21 is way more expensive than Asus ZenFone 4, but you can get a much better phone for that few more dollars.
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