Compare phones
| Global Score | |
| 73.3 | 76 |
| Basic Information | |
| Asus | OnePlus |
| Android 6.0 Marshmallow | Android 11 |
| 2016-07-12 | 2021-04-02 |
| 7.34 x 3.70 x 0.27 inches | 6.30 x 2.92 x 0.34 inches |
| 8.22 ounces | 6.77 ounces |
| Gold, Gray, Pink and Silver | Arctic Sky, Astral Black and Winter Mist |
| Aluminum | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 324 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.6 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 510 GPU | Adreno 660 GPU |
| 8.91 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 12.86 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 23.00mm focal length |
| -- | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.01 | 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 | |
| 4600mAh Li - Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.48 | 6.32 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.2 |
| GPS | GPS |
| -- | 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
OnePlus 9 has a global score of 76, which is slightly better than the Asus ZenFone 3 Ultra's score of 73.3. Although the OnePlus 9 is noticeably thicker than the Asus ZenFone 3 Ultra, it's lighter and noticeably newer. Both phones we compare here use Android OS (Operating System), but the OnePlus 9 has the previous 11 version and Asus ZenFone 3 Ultra has Android 6.0 Marshmallow.
OnePlus 9 features a little sharper screen than Asus ZenFone 3 Ultra, because although it has a little bit smaller screen, it also counts with a little bit greater pixels number in each inch of display and a slightly higher 1080 x 2400 resolution. Asus ZenFone 3 Ultra counts with a way bigger memory capacity to install games and applications than OnePlus 9, and although they both have equal 128 GB internal storage, the Asus ZenFone 3 Ultra also has an external memory card slot that holds a maximum of 200 GB.
The OnePlus 9 counts with just a bit better performance than Asus ZenFone 3 Ultra, and although they both have a Octa-Core processor, the OnePlus 9 also has a larger amount of RAM memory. The Asus ZenFone 3 Ultra has just a little bit longer battery lifetime than OnePlus 9, because it has 4600mAh of battery capacity.
OnePlus 9 has a lot better camera than Asus ZenFone 3 Ultra, because it has a back camera with way more mega-pixels, a way higher 7680x4320 video resolution and a bigger aperture to capture better photography in poorly lited situations.
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