Compare phones
| Global Score | |
| 76.2 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11 |
| 2017-02-15 | 2021-01-29 |
| 6.07 x 3.03 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 6.00 ounces | 6.03 ounces |
| Black, Pink and Silver | Gray, Phantom pink, Violet and White |
| Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 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 |
| 500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 660 GPU |
| 9.09 | 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 | |
| 12.00 MP + 13.00 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 (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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
Samsung Galaxy S21 is much better than Asus ZenFone 3 Zoom, getting a 91.8 score against 76.2. Samsung Galaxy S21's design has the same thickness than the Asus ZenFone 3 Zoom, but it's just a bit heavier. Galaxy S21 features a little faster processing unit than Asus ZenFone 3 Zoom, and although they both have the same number of cores, the Galaxy S21 also has a larger amount of RAM.
Galaxy S21 counts with a little sharper screen than Asus ZenFone 3 Zoom, because it has much more brightness, a little bit larger screen, a quite better 1080 x 2400 resolution and a just a little more pixels per display inch. The Asus ZenFone 3 Zoom counts with a very superior storage capacity for games and applications than Samsung Galaxy S21, and although they both have equal internal memory capacity, the Asus ZenFone 3 Zoom also has a SD memory card expansion slot that admits up to 1,95 TB.
The Asus ZenFone 3 Zoom has longer battery performance than Galaxy S21, because it has 5000mAh of battery capacity. Samsung Galaxy S21 takes better photographs and videos than Asus ZenFone 3 Zoom, because although it has a tinier aperture which is not good for taking images and/or video in poorly lited environments, and they both have a 12 mega-pixels back-facing camera, the Samsung Galaxy S21 also counts with a lot bigger sensor and a way better video resolution.
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