Compare phones
| Global Score | |
| 76.6 | 82.9 |
| Basic Information | |
| OnePlus | |
| Android 11 | Android 11, 10 |
| 2021-04-02 | 2020-08-20 |
| 6.43 x 2.90 x 0.34 inches | 5.67 x 2.73 x 0.32 inches |
| 6.95 ounces | 5.04 ounces |
| Forest Green, Morning Mist and Stellar Black | Just black |
| Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | $ 349.00 |
| Display / Screen | |
| 6.7 inches | 5.8 inches |
| 3216 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | OLED |
| 526 pixels per inch | 444 pixels per inch |
| No touch screen | No touch screen |
| 8.8 | 8.3 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 730G SM7150-AA chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.20 MP + 8.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 23.00mm focal length | 27.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.65 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 3140mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.12 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Google Pixel 4a has a general score of 82.9, which is just a bit better than OnePlus 9 Pro's overall score of 76.6. The Google Pixel 4a body is just a little thinner and extremely lighter than the OnePlus 9 Pro, even when both were released with only a couple months difference. These devices work with the same Android 11 OS (operating system).
The OnePlus 9 Pro counts with a bit faster processor than Google Pixel 4a, and although they both have the same number of cores, the OnePlus 9 Pro also has a larger amount of RAM. OnePlus 9 Pro counts with a slightly better display than Google Pixel 4a, because it has a better 1440 x 3216 resolution, a quite better pixel density and a larger screen.
Google Pixel 4a's storage for applications and games is very similar to OnePlus 9 Pro's one, both have exactly the same 128 GB internal storage. OnePlus 9 Pro takes much clearer photographs and videos than Google Pixel 4a, because although it has a tinier camera aperture which is not recommended for taking photographs or videos in poorly lited situations, it also counts with a lot better video quality, a much bigger back camera sensor taking much better quality photographs and videos and a lot more megapixels camera in the back.
OnePlus 9 Pro counts with a much better battery life than Google Pixel 4a, because it has a 4500mAh battery capacity.
The Google Pixel 4a not only is the best phones of the ones we compare here, but it's also very cheap compared to the other ones, which makes it an easy decision.
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