OnePlus 9 features a high-end processor, a lot of memory, an excellent display, and very fast charging times. As you can imagine, performance is the name of the game for this smartphone. Even more so, this is one of the first devices made by OnePlus in collaboration with Hasselblad, one of the most renowned camera manufacturers of the world, coming from the nordic lands of Sweden. Do you want to know more about what you get from the OnePlus 9 and whether it’s a good buy? Read our review and find out:
The packaging used for OnePlus 9
Inside the box, you find the OnePlus 9 smartphone, a Warp Charge 65 power adapter, a Warp Charge USB Type-C to Type-C cable, the quick start guide, some safety and warranty documents, a welcome letter, and a SIM tray eject pin. No headset though, even though OnePlus 9 is a flagship device.
OnePlus 9: What's inside the box
The OnePlus 9 is a premium device, with impressive packaging, that is very satisfying to unbox. Unfortunately, it doesn’t bundle a headset, and some users are going to be disappointed by this.
OnePlus 9: Color options
The sample that we tested was the latter: Winter Mist. It looks fancy and classy, but the Gorilla Glass back is a magnet for fingerprints, and it’s also very slippery.
The front of the OnePlus 9 is all about the screen: it goes from side to side, top to bottom, to cover almost the entire body. The bezels are very slim, and the selfie camera is inside a small punch hole, on the top-left side of the screen.
The screen uses Corning Gorilla Glass 5
The back of the OnePlus 9 is plain and simple, holding only the triple-camera system and the company’s logo. The cameras and the flash are slightly protruding and confined in a rectangular area where you also see that OnePlus worked with Hasselblad to make this smartphone.
The back of the OnePlus 9
The USB 3.1 Type-C port, together with the SIM tray, a speaker, and a microphone, are found on the bottom edge of the OnePlus 9. The secondary microphone and the ear speaker are positioned on the top edge.
The bottom edge of the OnePlus 9
You’ll find the volume rocker on the left of the phone. They’re slightly protruding out, so it should be easy to find and identify what’s what, even if you’re not looking at the phone.
The volume rocker of the OnePlus 9
On the right edge, there’s the power button and a physical alert slider that you can use to control how you receive notifications. The latter is something us and many other people appreciate having on their smartphones. It’s not a common button to have on modern-day smartphones, unless you own an OnePlus device or an iPhone. All the physical buttons are easy to reach and press, if you have average or long fingers. If your hands are small, then this smartphone is most likely too big to use comfortably.
The power switch and the alert slider on the OnePlus 9
Like any high-end smartphone, OnePlus 9 also holds an IP68 rating. IP means Ingress Protection and categorizes electronic devices by how well protected they are against dust, water, and other damages. The digit 6 from the IP68 grade held by the OnePlus 9 means complete protection against dust, while 8 tells us that it can survive unharmed in water as deep as 1.5 meters for up to 30 minutes.
OnePlus 9 looks beautiful and robust. We like the available colors and appreciate its IP68 dust and water resistance rating. Although the design of the smartphone doesn’t have anything spectacular, it’s very well done. Furthermore, the tried-and-tested body shape and the positioning of its buttons should make it easy for anyone to adjust to using the OnePlus 9.
OnePlus 9: CPU details
In terms of storage, the OnePlus 9 is available in two configurations: 128GB storage space and 8GB RAM, and 256GB storage and 12GB RAM. Both versions use UFS 3.1 (Universal Flash Storage 3.1), which means that the flash storage is really fast. You can think of UFS as solid-state drives for smartphones.
The camera system on the OnePlus 9 is top-notch also. The main triple-camera system uses one 48 MP camera (f/1.8 aperture, 23mm - wide, omnidirectional PDAF), one 50 MP camera (f/2.2 aperture, 14mm - ultrawide), and one 2 MP camera (f/2.4 aperture, depth camera). On its front side, inside a hole in the screen, the selfie camera features a 16-megapixel sensor with an f/2.4 aperture.
The triple-camera system on the OnePlus 9
Looking at the technical specifications, the cameras should be great for video recording also. The triple-camera system on the back of the smartphone supports recording video at resolutions of up to 8K at 30fps. However, if you don’t just happen to have an 8K resolution TV around, you might be happier with recording in 4K at 30 or 60 frames per second (fps), or even in 1080p, where you can use frame rates as high as 240 fps. On the front, the selfie camera is able to record video in 1080p resolution and at 30 frames per second. Both camera systems support Auto-HDR and gyro-EIS (Electronic Image Stabilization).
OnePlus 9’s screen is a beautiful piece of technology: a 6.55 inch Fluid AMOLED display with a high refresh rate of 120 Hz, HDR10+, 1080 x 2400 pixels resolution on a 20:9 aspect ratio, and a high 402 pixels per inch (ppi) density.
OnePlus 9: Display technical specifications
On the matter of communications, the OnePlus 9 offers support for 5G and Wi-Fi 6 wireless networks (Wi-Fi 802.11 a/b/g/n/ac/6) and also comes with Bluetooth 5.2, GPS, NFC, and a USB 3.1 Type-C port. Among the sensors you get, there’s an optical under-the-display fingerprint reader, an accelerometer, gyroscope, proximity sensor, compass, and a color spectrum sensor.
OnePlus 9 works with Wi-Fi 6 networks
On the audio part, the OnePlus 9 offers two stereo speakers and supports 24-bit/192kHz playback but doesn’t have a 3.5mm audio jack.
The autonomy is provided by a non-removable 4500 mAh Li-Po battery that supports fast charging at 65 Watts, which means that you can fully charge the smartphone in about 29 minutes! The OnePlus 9 also supports 15 Watts wireless charging.
For more details regarding the OnePlus 9’s features and hardware specs, visit OnePlus 9 Specs.
Next, read the second page of this review to find out more about the smartphone experience offered by the OnePlus 9, its cameras, the operating system and bundled apps, and its performance in benchmarks.
OxygenOS offers a very clean Android experience
During calls, the sound quality is top-notch: loud and clear, even if you’re talking from a noisy environment. Although I used it with just one Nano-SIM card, there’s a second slot available if you want to add an additional SIM. However, note that you don’t get a memory card slot, and the secondary SIM slot doesn’t support such cards either.
The SIM tray can take two Nano-SIMs: one on each side
The package doesn’t include any headphones, and the OnePlus 9 doesn’t have a 3.5mm audio jack. However, we tested the audio quality with a pair of premium Sony WH-1000XM4 Bluetooth headphones. Suffice to say that, when using headphones for listening to music or watching videos, the audio quality is not just good; it’s first-class. The stereo loudspeakers also manage to deliver clear and powerful sound.
The OnePlus 9 features a Fluid AMOLED display. It’s a beautiful screen that displays vivid colors, has high contrast, with deep blacks and bright whites. The touchscreen and the fingerprint sensor under it also work very well even though the smartphone comes with a pre-applied screen protector.
Watching YouTube on OnePlus 9
OnePlus 9’s battery can easily last for a day of moderate usage. In my case, that’s browsing the internet, reading news and checking emails, shooting some photos but not a whole bunch, and watching a movie or a couple of TV episodes in the evening. If you also play demanding games, you will have to charge your OnePlus 9 before the end of the day. However, considering that it only takes half an hour to do so, that’s not really a problem for OnePlus 9 owners, right?
Using the OnePlus 9 is a joy. The hardware as well as the lean operating system, offer plenty of power and a satisfying user experience. The screen is beautiful, phone calls and music are delivered in top-notch audio quality, and the battery life is as expected
OnePlus 9: the Camera app
The photos we took with the OnePlus 9 were very good, in most cases. When lighting is appropriately powerful, regardless of whether it’s natural light or artificial, photos are well exposed, and contrast is excellent. At night, photos can also be shot at good quality, especially if you use the Nightscape mode. Obviously, there is some lack of details and sharpening in such conditions, but if you use a tripod, you can shoot excellent night photos.
What’s missing on the OnePlus 9 is a telephoto camera. Unfortunately, there’s none on the smartphone, so you can’t do optical zooming. In a world where most if not all high-end smartphones come with 3x, 5x, or 10x optical zoom cameras, this is an important loss for the OnePlus 9.
If you want to get a better idea about the OnePlus 9 cameras, browse through the gallery below. We’ve included photos shot outdoors, as well as indoors, a few selfies, and also some closeups.
OnePlus 9 can record videos in up to 8K resolution, although that’s overkill for most people. Our recommendation is 4K at 60 fps, as that delivers both high resolution and smooth videos. OnePlus 9 also stabilizes videos using EIS (Electronic Image Stabilization), which can come in handy when you’re recording videos while moving. Here’s a sample video that shot in 4K at 60 frames per second:
Here’s another sample video with more movement, recorded using the same 4K resolution at 60 fps:
If you like slow-motion videos, here’s what a Super Slow-Motion video looks like:
OnePlus 9 has excellent cameras that can shoot excellent photos and videos. We like the fact that their colors are accurate, but we don’t appreciate the lack of an optical zoom camera.
OxygenOS and Android 11
One of the first things we noticed about OxygenOS was the option to use a system font called OnePlus Sans instead of the default Roboto. You get the choice to switch to this font while setting up your OnePlus 9 for the first time, but you can also select it later from the Customization settings. We like the way the OnePlus Sans looks, as it feels more elegant and cleaner; however, it’s also lighter than the default Roboto, so some people might not like it.
The lock screen and the home screen of the OnePlus 9
There are also other little things that we like about OxygenOS: the always-on display options, the different fingerprint reader designs, or the lock screen canvas option that automatically creates sketches of your selected lock screen photos. There’s even a mobile gaming optimization tool called Game Space. It allows you to immerse yourself in your favorite game by blocking notifications and restricting the activity of other apps.
Gaming on the OnePlus 9
As for bundled apps, OnePlus doesn’t bloat its smartphone. On the OnePlus 9, you get the basic Google apps (Google, Chrome, Gmail, Maps, YouTube, Drive, and Photos), and a few other must-have apps like Calculator, Camera, Clock, File Manager, Gallery, Game Space, Notes, and Recorder.
OnePlus 9: home screens and app drawer
The OnePlus 9 comes with OxygenOS 11, a neat and lean mobile operating system based on Android 11. Furthermore, it’s not bloated, bundling only essential Google and OnePlus apps that you’re going to need anyway.
OnePlus 9 benchmark results in Geekbench
PCMark for Android helped us evaluate how well the OnePlus 9 does in productivity tasks. It got a huge 11767 points score. That’s first-grade performance: nothing can stop this smartphone!
OnePlus 9 benchmark results in PCMark
Playing games is essential for many people, so we had to also test gaming performance. To do that, we used the 3DMark benchmark app: OnePlus 9 got 5693 in the Wild Life tests, and “Maxed Out!” in Sling Shot Extreme, both when using OpenGL ES 3.1 and Vulkan. These are outstanding results, showing that the OnePlus 9 is right at the top of the performance ladder.
OnePlus 9 benchmark results in 3DMark
To evaluate the battery of the OnePlus 9, we used PCMark's Work 2.0 battery life test. The smartphone managed to last for almost 12 hours. It’s an excellent result, which confirms that you can easily get more than a day of battery life from it, if you have moderate smartphone usage habits.
OnePlus 9 battery life benchmark results
All the benchmarks we ran describe a premium high-end Android smartphone that competes with the best of the best. It’s extremely powerful and fast, so the performance you get in productivity, multimedia, and gaming is top-notch.
OnePlus 9: Who is it good for?
OnePlus 9 is an excellent fit for:- People who want a very powerful Android smartphone
- Those who want a phone that charges its battery extremely quickly
- People who prefer real-life color calibration in their photos
- Fans of the OnePlus brand
Pros and cons
There are many good things to say about the OnePlus 9:- Powerful hardware and first-class performance
- Fluid AMOLED display, with a 120Hz refresh rate
- Excellent cameras and accurate colors
- IP68 rating for dust and water resistance
- Battery life is great
- Very fast charging, including wirelessly
- It doesn’t have an optical zoom camera
- No headset included in the box
- You can’t add a memory card to increase the storage space
Verdict
OnePlus 9 is an excellent Android smartphone, and there are many things we like about it. After seeing its first-grade results in benchmarks and using it daily for a week, we feel that the OnePlus 9 is a good choice for people who want a powerful Android smartphone. It’s a good buy if you need a phone for work-related tasks, browsing the web, and social networks, and it’s an excellent smartphone if you love playing mobile games. There’s nothing that can make it lag or feel slow or unresponsive. It’s also a good smartphone if you’re a casual photographer who likes accurate representations of real-life, and you don’t care about zooming. On the other hand, if you’re more into vivid and punchy colors and you also want a telephoto camera, you should probably test the OnePlus 9 before you buy it.Unboxing the OnePlus 9
OnePlus 9 is a premium, high-end Android smartphone, and its packaging is a statement for that. You get it in a large and long rectangular box, painted all red, featuring its name in the middle and the “Co-developed with Hasselblad” message at the bottom.

Design and build quality
The OnePlus 9 is a large smartphone, just like most high-end smartphones are these days. Its display measures 6.55 inches diagonally from corner to corner, and the whole phone measures 160mm (6.3 inches) in height, 74.2mm (2.92 inches) in width, and 8.7mm (0.34 inches) in thickness. If you’re accustomed to regular mid-range phones, the OnePlus 9 might also surprise you with its weight. At 192 grams (6.77oz), this smartphone is heavier than the average. OnePlus 9 is available in three color variations: Astral Black, Arctic Sky, and Winter Mist. You see what each version looks like in the image below.





Hardware specifications
OnePlus 9 is the second-best smartphone from OnePlus’ current Android lineup, after the OnePlus 9 Pro. Before we go into details, the TLDR version is that the OnePlus 9 is one of the most powerful smartphones you can get right now. It features a Qualcomm Snapdragon 888 system on a chip which is the best and fastest mobile SoC of 2021, at least up until now. It comes with eight Kryo 680 cores: one running at 2.84 GHz, three at 2.42 GHz, and four at 1.80 GHz. The graphics chip used by this, the Snapdragon 888 is a high-end Adreno 660 that supports OpenCL 2.0 FP, Vulkan 1.1, OpenGL ES 3.2, and DirectX12.



The smartphone experience on the OnePlus 9
I tested the new OnePlus 9 for about a week as my main Android smartphone. First, I should say that I’m a fan of stock Android, no changes from the original wanted. Although the OnePlus 9 comes with some changes, they’re about improving the user experience in a subtle manner, not about bloating the operating system like some smartphone manufacturers tend to. Thus, the OxygenOS Android flavor feels fluent, and fast, not just beautiful, and I’ve never witnessed lags while using it.


The camera experience on the OnePlus 9
OnePlus 9 comes with a triple-camera system on its back, as follows:- 8 MP camera: f/1.8 aperture, 23mm - wide, omnidirectional PDAF
- 50 MP camera: f/2.2 aperture, 14mm - ultrawide
- 2 MP camera: f/2.4 aperture, depth camera

OxygenOS, Android 11, and bundled apps
OnePlus 9 comes with OxygenOS, which is an Android 11 tweaked by the company’s software engineers.



Performance in benchmarks
To see how powerful the processor on the OnePlus 9 is, we first ran Geekbench. It got 1127 points in the Single-Core tests and 3643 in the Multi-Core tests. These are some of the highest scores we’ve ever seen on an Android smartphone. The only other Androids that can match it are the Samsung Galaxy S21 and S21 Ultra and the OnePlus 9 Pro, which all use the same processor.





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