OnePlus 9 Pro 256 GB Specifications, Tests and Review

Display
6.7", 3216 x 1440
Front Camera
16 Megapixel
Main Camera
48 Megapixel
Operating System
OxygenOS (based on Android 11)
Storage
256 GB
RAM
12 GB
Processor
Qualcomm Snapdragon 888
Battery
4500 mAh

Other Variants:

A detailed list of technical data, specifications, ratings and expert review of OnePlus 9 Pro 256 GB. Get a comprehensive look at your chosen phone and see if this is the one that will best suit your needs. You can also use the comparison feature to compare with other competing phones.

DESIGN AND DIMENSIONS OnePlus 9 Pro 256 GB
Product Type Smartphone
Form Factor Touch
Height 163.2 mm Better than 93 % of phones rated.
Width 73.6 mm Better than 72 % of phones rated.
Depth 8.7 mm Better than 69 % of phones rated.
Weight 197 g Worse than 90 % of phones rated.
Body Colour Stellar black | Pine green | Morning mist
Waterproof (Water-resistant) -
SAR Value 2.77 W/kg (limb), 1.26 W/kg (body), 0.99 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM
SIM Card Qty Dual-SIM

Design of OnePlus 9 Pro 256 GB has dimensions of 163.2 mm × 73.6 mm × 8.7 mm and weight of 197 g.

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DISPLAY OnePlus 9 Pro 256 GB
Display Type OLED display
Display Technology Fluid Amoled
Screen Size (Display Size) 6.7" Better than 98 % of phones rated.
Screen Resolution (Display Resolution) 3216 x 1440 pixels Better than 99 % of phones rated.
Display Format QHD+
Pixel Density 525 ppi Better than 93 % of phones rated.
Aspect Ratio 20.1:9
Max Brightness 1300 cd/m² Better than 89 % of phones rated.
Colour Depth 1.07 billion colours Better than 99 % of phones rated.
HDR Technology HDR10+
Display Enhancement Technology Motion Graphics Smoothing, Vibrant Color Effect Pro
Display Refresh Rate 120 Hz Better than 94 % of phones rated.
Display Features Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, Motion Graphics Smoothing, sRGB support, Hyper Touch, Adaptive Display, Fluid Display 2.0
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass)

The screen size reaches 6.7" inches. With a large display, phone offers a great experience for watching videos, playing games and reading. The best phones today are 6.5'' or more. They have the advantage of a large display area that allows you to see more content than with conventional display sizes. Owing to OLED technology, the display offers a true representation of colours, especially black. The resulting contrast is significantly higher and colours appear more vivid. OLED technology is now part of most smartphones, while LCD displays are becoming a thing of the past in mobile phones. OLED displays also have lower power consumption compared to LCD technology.

Display Resolution of OnePlus 9 Pro 256 GB is 3216 x 1440 pixels. A higher display resolution is a prerequisite for a sharper image. The standard for mid-range phones today is a Full HD resolution of 1920 × 1080 px. Cheaper phones, which usually have a smaller diagonal, have an HD resolution of 1280 × 720 px. Smaller resolutions can only be found in older models. Best phones, on the other hand, have a 4K resolution of 3840 x 2160 px. If you want a perfect picture, focus on pixel density in addition to resolution. This number indicates how sharp the image will be. Best phones today have a display fineness of 450 ppi or higher, but the today´s average is around 350-400 ppi. That should be enough for you to enjoy a fine and sharp image. This model has a pixel density of 525 ppi.

The refresh rate is 120 Hz. This value indicates how many times per second display shows new information. Previously, 60 Hz was considered the standard, but today the average frequency for mid-range phones is more like 90 Hz. Modern phones now reach frequencies of around 120 Hz and above. Higher frequencies mean a better user experience when browsing the internet and especially when playing games.

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PROCESSOR OnePlus 9 Pro 256 GB
Processor Type (CPU) Qualcomm Snapdragon 888
Clock Speed 2.84 GHz Better than 97 % of phones rated.
Processor Core Qty 8-core Better than 99 % of phones rated.
Graphics System (GPU) Qualcomm ADRENO 660

The processor type of the OnePlus 9 Pro 256 GB is Qualcomm Snapdragon 888. The number of processor cores is 8. It is a number of cores that plays an important role in evaluating the performance of phone as it is responsible for computing operations. Smartphones already commonly have a core count of around 4 to 8. Multi-core processors can perform better and reduce the processing time of a request to a minimum, which is reflected in the responsiveness of the phone, e.g. in the speed of opening applications. OnePlus 9 Pro 256 GB is provided with processor´s frequency of 2.84 GHz. Normally today you will find this value between 1.8 and 2.8 GHz, and the higher the number, the faster the response of the phone. The processor frequency will thus be one of the important parameters if you are looking for a phone capable of managing several requests at once without major problems.

The processor also includes the graphics accelerator Qualcomm ADRENO 660.

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MEMORY OnePlus 9 Pro 256 GB
RAM LPDDR5 SDRAM - 12 GB Better than 99 % of phones rated.
Internal Memory Size (Storage Capacity) 256 GB Better than 98 % of phones rated.
Memory Interface UFS 3.1 2-lane

The phone is provided with an internal memory of 256 GB. Internal storage capacity is often a key parameter, as it determines how many files, photos, apps and more your phone can store. Best phones like this one have 256 GB to 1 TB of memory, which is already enough for even the most demanding geeks who use the phone to create videos, take high-resolution photos and play more demanding games. The downside is that with most phones, you'll have to pay extra for that kind of storage capacity. Fortunately, manufacturers nowadays think of all users and therefore offer phone models with different memory sizes so that everyone can choose what suits them.

Operating memory significantly affects the performance of the entire phone. OnePlus 9 Pro 256 GB has an operating memory of LPDDR5 SDRAM - 12 GB. Phones with less than 4 GB of RAM are better suited for undemanding users who use phone more for basic needs and some essential applications only. But if you are a heavy user, reach for at least 6 to 8 GB of RAM, which is the standard today, or 12 GB for the really demanding ones.

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CAMERA OnePlus 9 Pro 256 GB
MAIN CAMERA
Number of Main Cameras 4
Sensor Resolution 48 Megapixel Better than 93 % of phones rated.
Sensor Size 1/1.43"
Sensor Name Sony Exmor RS IMX789 sensor
Lens Aperture F/1.8 Better than 80 % of phones rated.
Lens Construction 7-element
Pixel Size 1.12 μm Better than 61 % of phones rated.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Better than 87 % of phones rated.
Focus Adjustment Automatic
Laser Auto Focus Yes
Minimum Focal Length (Focal Distance) 23 mm
Special Effects HDR
Camera Modes Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Macro mode, Portrait video, UltraShot HDR, Tracking Shot, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape
Light Source Dual LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, 3840 x 2160 (4K) at 120 fps
Camera Features (Functions) Continuous Auto Focus (CAF), RAW image capture, All Pixel OmniDirectional PDAF, Hasselblad Camera, Natural Color Calibration
SECOND CAMERA
Sensor Resolution (2nd Camera) 50 Megapixel Better than 99 % of phones rated.
Sensor Size (2nd Camera) 1/1.56"
Sensor Name (2nd Camera) Sony Exmor RS IMX766 sensor
Lens Type (2nd Camera) Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 Better than 87 % of phones rated.
Lens Element Qty (2nd Camera) 7-element
Minimum Focal Length (2nd Camera) 14 mm
Camera Features (2nd Camera) Freeform Lens
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel Better than 66 % of phones rated.
Lens Type (3rd Camera) Telephoto lens
Lens Aperture (3rd Camera) F/2.4 Better than 76 % of phones rated.
Pixel Size (3rd Camera) 1 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Better than 98 % of phones rated.
Minimum Focal Length (3rd Camera) 77 mm
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel Better than 75 % of phones rated.
Lens Element Qty (4th Camera) 3-element
Camera Functions (4th Camera) Monochrome
FRONT CAMERA
Number of Front Cameras 1
Sensor Resolution (Front) 16 Megapixel Better than 88 % of phones rated.
Sensor Name (Front) Sony Exmor RX IMX471 sensor
Lens Aperture (Front) F/2.4 Worse than 82 % of phones rated.
Pixel Size (Front) 1 μm
Focus Adjustment Focus free
Special Effects (Front) HDR, face retouch
Camera Modes (Front) Time-lapse mode
Light Source (Front) Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps
Camera Features (Front) Electronic Image Stabiliser (EIS)

The rear camera of the OnePlus 9 Pro 256 GB is equipped with 4 lenses. A larger number of lenses usually results in better quality photo, as each lens is designed differently: usually as a macro lens, telephoto lens or wide-angle lens. Macro lens is used for great close-ups, telephoto lens is designed for capturing objects in the distance as it often has an optical zoom, and wide-angle lens will take great landscape photos where you need a larger field of view. A high resolution lens alone does not necessarily mean high quality photos. The main lens in this has a resolution of 48 Megapixel. However, if you are looking for perfect photos, in addition to resolution, don't forget to focus on at other parameters such as lens aperture or pixel size. Pixel size is typically around 0.8-1.8 μm in better mobile phones. The higher the value, the better the quality of the resulting photo should be. In the case of main lens, the pixel size reaches 1.12 μm.

The size of the phone's sensor is also among the parameters that affect quality of the photo. In case of OnePlus 9 Pro 256 GB, it is 1/1.43". Focus mainly on the value after the slash, where the higher it is, the better photo quality will be. Luminance is one of the main factors determining the quality of a photograph. Commonly today, this value ranges between F/1.8 and F/2.2. However, best photomobiles have an aperture of up to F/1.2. Value indicates how much light passes through the sensor and the lower it is, the better the quality of the photos. Main lens here is equipped with F/1.8. An undeniable advantage is the optical image stabilisation, which makes image significantly more stable without any loss in quality. Cheaper phone models are equipped with electronic stabilisation, which has a negative effect on the resulting image quality.

Second camera
The second lens of rear camera is designed as Ultra wide-angle lens. The resolution reaches size of 50 Megapixel. Furthermore, aperture of second lens reaches size of F/2.2.

Third camera
Lens number three represents the Telephoto lens. The resolution of third lens is then 8 Megapixel. The pixel size that significantly affects quality of photo is 1 μm. Finally, the lens also features a lens aperture of F/2.4.

Fourth camera
The resolution of fourth rear camera reaches 2 Megapixel.

Front camera
The front camera of phone OnePlus 9 Pro 256 GB has one lens. This number of lenses is standard on most smartphones nowadays. The resolution of main lens reaches 16 Megapixel. Again, it should be noted that resolution is not the only factor affecting the quality of the front camera photo. The pixel size itself is 1 μm. The aperture of main lens is F/2.4.

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BATTERY AND CHARGING OnePlus 9 Pro 256 GB
Battery Capacity (Battery Size) 4500 mAh Better than 91 % of phones rated.
Fast Charging Technology Warp Charge 65T technology Better than 86 % of phones rated.
Wireless Charging Yes Better than 91 % of phones rated.
Wireless Charging Standards Qi, Warp Charge 50 Wireless

The battery size of OnePlus 9 Pro 256 GB is 4500 mAh. Nevertheless, battery capacity is not the only factor that affects the phone's battery life. For example - the size of the display, the performance of the processor, the use of data functions and, of course, the intensity of use of phone in general all have a significant impact on battery life. Standard for most smartphones today is a battery capacity of around 4500 to 5000 mAH. Phones with this battery size usually guarantee a phone life of at least 1 day. Older or cheaper smartphone models can then reach battery capacities typically around 2500 mAH and below. With this capacity, you may find that if you use your phone heavily, you may need to recharge your phone during the day. Today, wireless charging feature is popular and appreciated by many users. You don't have to worry about your phone overheating, and it's also practical in that you don't wear out your phone's connector unnecessarily. The fast charging function will also please many people. Owing to fast charging, phone charges up to several times faster, which you will appreciate, for example, on the go.

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CELLULAR OnePlus 9 Pro 256 GB
Technology WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G Better than 99 % of phones rated.
Operating System OxygenOS (based on Android 11)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo

OnePlus 9 Pro 256 GB supports 5G. 4G connectivity is still common today, although the latest phones already have 5G connectivity. 3G connectivity is now more of a thing of past and can only be found on older models. The phone's operating system is OxygenOS (based on Android 11).

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COMMUNICATIONS OnePlus 9 Pro 256 GB
Data Transmission LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.2
NFC Yes Better than 66 % of phones rated.
Modem Snapdragon X60 5G

The NFC function will please all fans of contactless mobile payments. In addition, you can also use function in the context of connectivity, for example, to unlock doors or load menus in restaurants. Bluetooth 5.2 makes it easy to connect your phone to other wireless devices such as headphones, speakers, TV or tablet and more.

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MEDIA OnePlus 9 Pro 256 GB
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, apt-X HD, EAC3-JOC, AC-4
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4
Sound Enhancements Dolby Atmos sound technology
FEATURES OnePlus 9 Pro 256 GB
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, RGB sensor, flicker sensor, sensor core
Security Devices Fingerprint reader (under display), face recognition
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers
OTHERS OnePlus 9 Pro 256 GB
Included Accessories SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C cable
Compliant Standards SGS

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