Compare phones
| Global Score | |
| 75.5 | 76.6 |
| Basic Information | |
| Asus | OnePlus |
| Android 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-10-30 | 2021-04-02 |
| 6.18 x 2.98 x 0.30 inches | 6.43 x 2.90 x 0.34 inches |
| 6.17 ounces | 6.95 ounces |
| Black and White | Forest Green, Morning Mist and Stellar Black |
| Glass and Metal | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 599.00 | $ 890.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 3216 x 1440 pixels |
| AMOLED | AMOLED |
| 401 pixels per inch | 526 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 540 GPU | Adreno 660 GPU |
| 9.45 | 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/1.70 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 |
| 9.68 | 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 | |
| 3600mAh Li - Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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 Pro has a general score of 76.6, which is slightly better than Asus ZenFone 4 Pro's overall score of 75.5. Although OnePlus 9 Pro is a lot newer than the Asus ZenFone 4 Pro, it is thicker and somewhat heavier. Both phones in this review include Android OS, but the OnePlus 9 Pro has an older 11 version while Asus ZenFone 4 Pro has Android 8.0 Oreo version.
The OnePlus 9 Pro counts with just a bit better performance than Asus ZenFone 4 Pro, and although they both have 8 cpu cores, the OnePlus 9 Pro also has a higher amount of RAM. OnePlus 9 Pro features a bit more vivid display than Asus ZenFone 4 Pro, because it has a greater pixel density, a lot higher 1440 x 3216 resolution and a larger display.
Asus ZenFone 4 Pro counts with a lot bigger storage for apps and games than OnePlus 9 Pro, because although it has 0 less internal memory capacity, it also counts with a slot for an SD memory card that supports a maximum of 1,95 TB. The OnePlus 9 Pro features longer battery performance than Asus ZenFone 4 Pro, because it has a 4500mAh battery size.
OnePlus 9 Pro captures much better pictures and videos than Asus ZenFone 4 Pro, because although it has a smaller aperture which is not good for capturing photos and video in poorly lited environments, it also counts with a much bigger camera sensor taking lot better quality videos and pictures, a lot higher video resolution and a camera in the back with a way better 48 mega-pixels resolution.
Although OnePlus 9 Pro is a better device, it costs a lot more than Asus ZenFone 4 Pro, and it doesn't have such a good quality/price relation as the Asus ZenFone 4 Pro. So if you want that extra features, you can buy the OnePlus 9 Pro, else you can save a couple dollars and get the Asus ZenFone 4 Pro, letting go some features and specifications.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.