Compare phones
| Global Score | |
| 83.9 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 10 | Android 11 |
| 2020-09-01 | 2021-01-29 |
| 6.50 x 3.04 x 0.38 inches | 5.97 x 2.80 x 0.31 inches |
| 8.11 ounces | 6.03 ounces |
| Aurora black and Pastel white | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| 700 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 650 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | No SD card slot |
| 17.06 | 10.1 |
| Camera | |
| 64.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.1 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 is slightly better than Asus ZenFone 7, getting a 91.8 score against 83.9. Both phones we compare here use the same Android 11 OS. The Galaxy S21 is a somewhat thinner and noticeably lighter device than the Asus ZenFone 7, even when both were released with only a couple months difference.
Galaxy S21 features a bit more vivid screen than Asus ZenFone 7, because although it has a little smaller display, and they both have an equal 1080 x 2400 resolution, the Galaxy S21 also counts with way more brightness and a little bit higher display pixel density. Asus ZenFone 7 counts with a much better memory capacity to install applications and games or saving photos and videos than Galaxy S21, and although they both have equal 128 GB internal memory, the Asus ZenFone 7 also has an external SD slot that holds a maximum of 1,95 TB.
The Galaxy S21 and Asus ZenFone 7 both have really similar processing units, and although the Galaxy S21 has 2 GB more RAM, they both have 8 CPU cores. The Asus ZenFone 7 takes much clearer videos and photos than Samsung Galaxy S21, and although they both have the same 7680x4320 video quality and a same size camera aperture, the Asus ZenFone 7 also has a larger back-facing camera sensor, a way more mega pixels camera and faster 30 fps video frame rate.
Asus ZenFone 7 has better battery performance than Samsung Galaxy S21, because it has a 5000mAh battery capacity against 4000mAh.
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