Compare phones
| Global Score | |
| 74.2 | 76 |
| Basic Information | |
| Asus | OnePlus |
| Android 8.0 Oreo, 7.0 Nougat | Android 11 |
| 2017-10-30 | 2021-04-02 |
| 6.12 x 2.96 x 0.30 inches | 6.30 x 2.92 x 0.34 inches |
| 5.82 ounces | 6.77 ounces |
| Black, Green and White | Arctic Sky, Astral Black and Winter Mist |
| Metal | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 399.00 | $ 700.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super IPS+ LCD | AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.2 |
| 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 | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | 23.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.57 | 12.65 |
| 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 | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The OnePlus 9 is a little bit better than Asus ZenFone 4, getting a overall score of 76 against 74.2. Both devices we compare here have Android OS (operating system), but OnePlus 9 has an older 11 version while Asus ZenFone 4 has Android 8.0 Oreo. The OnePlus 9 construction is noticeably newer than the Asus ZenFone 4's, but it is somewhat heavier and somewhat thicker.
Asus ZenFone 4 counts with a bit more vivid screen than OnePlus 9, although it has a just a bit lower pixels density, a bit worse 1080 x 1920 resolution and a bit smaller screen. The Asus ZenFone 4 features a way bigger memory capacity to install applications and games than OnePlus 9, because although it has just 64 GB internal memory capacity, it also counts with a slot for an SD memory card that admits a maximum of 1,95 TB.
OnePlus 9 features just a bit better performance than Asus ZenFone 4, and although they both have the same number of cores, the OnePlus 9 also has a higher amount of RAM memory. OnePlus 9 counts with a very superior camera than Asus ZenFone 4, and although they both have a same size aperture, the OnePlus 9 also has a way larger back camera sensor, a way better resolution camera and a way better video quality.
OnePlus 9 features longer battery lifetime than Asus ZenFone 4, because it has a 36 percent bigger battery size.
Although OnePlus 9 is a better device, it is way more expensive than the Asus ZenFone 4, and it doesn't have such a good price and quality relation as the Asus ZenFone 4. If you prefer to save some dollars, you can buy Asus ZenFone 4, letting go a few specs and features, but you'll get the most out of your money.
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