OnePlus 9 5G (12GB + 256GB) Review | 197 Data compared

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  • Avg. price: ~£260
  • RAM capacity: 12 GB
  • Internal storage: 256 GB
  • Screen size: 6.55 inches
  • Main camera megapixels: 50 MP & 48 MP & 2 MP

OnePlus 9 5G (12GB + 256GB) review. Compare 197 technical specifications and user reviews to see how this product ranks in the Smartphones category and whether it is worth buying.

7.2

Overall score

What it is: An overall evaluation of the smartphone's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best smartphones on the market.

Score components:

90.0%

7.0

Technical Score

10.0%

9.0

User score

Very good
7.0

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare smartphones based on technical performance and available features.

Score components:

25.0%

7.4

Performance & Hardware

18.0%

7.1

Camera

15.0%

7.0

Display

15.0%

6.9

Battery

10.0%

5.2

Software

10.0%

7.7

Connectivity

4.0%

6.4

Audio

3.0%

7.6

Design

Very good
9.0

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.7

User reviews

30.0%

9.5

Popularity

User score:
United Kingdom
amazon
3.7
(17)
amazon
4.2
(13)
United States
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3.7
(17)
Amazon_logo.png
4.2
(13)

(Reviews last updated: August 2026)

Exceptional
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    Best prices in UK

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Available versions:
    12GB + 256GB8GB + 128GB£?

    Verdict

    The OnePlus 9 (12GB RAM + 256GB storage variant) is an "affordable flagship" smartphone, featuring top-tier performance hardware including the powerful Qualcomm Snapdragon 888 processor and 12GB of fast LPDDR5 RAM and 256GB UFS 3.1 storage. Its main characteristics include a vibrant, flat 6.55-inch Full HD+ Fluid AMOLED display with a smooth 120Hz refresh rate, a versatile Hasselblad-tuned triple camera system (48MP main, 50MP ultrawide, 2MP monochrome), and a 4,500mAh battery. The primary pros are its blazing fast 65W wired charging (full charge in around 29 minutes), inclusion of a 15W wireless charging (in most regions), excellent overall speed and slick OxygenOS software experience, and an effective ultra-wide camera with minimal distortion. Cons include a plastic frame that feels less premium than metal, no optical zoom telephoto lens, and the lack of an official IP water resistance rating on the unlocked version.

    Technical Specifications of smartphone OnePlus 9 5G (12GB + 256GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare smartphones based on technical performance and available features.

    Score components:

    25.0%

    7.4

    Performance & Hardware

    18.0%

    7.1

    Camera

    15.0%

    7.0

    Display

    15.0%

    6.9

    Battery

    10.0%

    5.2

    Software

    10.0%

    7.7

    Connectivity

    4.0%

    6.4

    Audio

    3.0%

    7.6

    Design

    7.0
    OnePlus 9 5G (12GB + 256GB) has a technical score of 6.99 points, which is higher than 57% of smartphones.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    8.7

    User reviews

    30.0%

    9.5

    Popularity

    User score:
    United Kingdom
    amazon
    3.7
    (17)
    amazon
    4.2
    (13)
    United States
    Amazon_logo.png
    3.7
    (17)
    Amazon_logo.png
    4.2
    (13)

    (Reviews last updated: August 2026)

    9.0
    OnePlus 9 5G (12GB + 256GB) has a user score of 8.96 points, which is higher than 90.9% of smartphones.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    9.5
    OnePlus 9 5G (12GB + 256GB) has a popularity of 9.5 points, which is higher than 90.1% of products in this category.
    Ratio quality/price

    What it is: An indicator that combines the smartphone's overall rating with its cost.

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    7.2

    Overall score

    40.0%

    9.2

    Price

    7.8
    OnePlus 9 5G (12GB + 256GB) has a quality-to-price ratio of 7.8 points, which is higher than 71.5% of products in this category.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: LOW

    OnePlus
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    Qualcomm Snapdragon 888
    OnePlus 9 5G (12GB + 256GB) uses the Qualcomm Snapdragon 888 processor which is faster than processors in 75.5% of smartphones and equal to processors in 2% of smartphones.
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    12 GB
    OnePlus 9 5G (12GB + 256GB) has a RAM capacity of 12 GB which is larger than the RAM capacity of 59% of smartphones and equal to that of 24.3% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: MEDIUM

    Good value: >256 GB

    256 GB
    OnePlus 9 5G (12GB + 256GB) has an internal storage capacity of 256 GB which is larger than the storage of 38.8% of smartphones and equal to that of 38.3% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.84 GHz
    The CPU boost clock speed of OnePlus 9 5G (12GB + 256GB) is 2.84 GHz which is higher than the boost speed of 68.3% of smartphones and equal to that of 4.7% of smartphones.
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    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: MEDIUM

    Android
    OnePlus 9 5G (12GB + 256GB) uses the Android operating system, which outperforms that of 1%.
    Android 11
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 11
    OnePlus 9 5G (12GB + 256GB) runs Android version Android 11 which is older than that found in 80.3% of smartphones and equal to that in 8.5% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: LOW

    no
    OnePlus 9 5G (12GB + 256GB) does not receive direct OS updates. 20.6% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) offers dark mode. 95.8% of smartphones support this feature.
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    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: MEDIUM

    Good value: >50 MP

    50 MP & 48 MP & 2 MP
    OnePlus 9 5G (12GB + 256GB) has a main camera resolution of 50 MP & 48 MP & 2 MP MP which is higher than that of 64.2% of smartphones and equal to that of 0% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: MEDIUM

    f/1.8 & f/2.2 & f/2.4
    OnePlus 9 5G (12GB + 256GB) has a main camera aperture of f/1.8 & f/2.2 & f/2.4 which is wider than that of 53.2% of smartphones and equal to that of 10.7% of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    62.7 mm²
    OnePlus 9 5G (12GB + 256GB) has a main camera sensor area of 62.7 mm² which is larger than the main camera sensor area of 86% of smartphones and equal to that of 2% of smartphones.
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: LOW

    Good value: ≥1.2 µm

    1.12 µm
    OnePlus 9 5G (12GB + 256GB) has a main camera pixel size of 1.12 µm which is larger than in 78.2% of smartphones and equal to the size in 5.6% of smartphones.
    2.24 binned
    Show more
    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: LOW

    Good value: ≥2

    2
    OnePlus 9 5G (12GB + 256GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) supports 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
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    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: LOW

    Good value: ≥6.6 inches

    6.55 inches
    OnePlus 9 5G (12GB + 256GB) has a screen size of 6.55 inches which is smaller than the screens of 76.2% of smartphones and equal to those of 1.7% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: MEDIUM

    1080 x 2400 px
    OnePlus 9 5G (12GB + 256GB) has a screen resolution of 1080x2400 px which is higher than that of 36.3% of smartphones and equal to that of 20.4% of smartphones.
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: LOW

    Good value: >400 ppi

    402 ppi
    OnePlus 9 5G (12GB + 256GB) has a pixel density of 402 ppi which is higher than that of 61.5% of smartphones and equal to that of 2.3% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: MEDIUM

    OLED/AMOLED
    OnePlus 9 5G (12GB + 256GB) uses a OLED/AMOLED display type. 58.6% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: MEDIUM

    Good value: ≥120 Hz

    120 Hz
    OnePlus 9 5G (12GB + 256GB) supports a refresh rate of 120 Hz which is higher than in 34.7% of smartphones and equal to that in 55.2% of smartphones.
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    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    4,500 mAh
    OnePlus 9 5G (12GB + 256GB) has a battery capacity of 4500 mAh which is smaller than the batteries in 78.5% of smartphones and equal to those in 5.9% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: MEDIUM

    Good value: >60 W

    65 W
    OnePlus 9 5G (12GB + 256GB) supports charging speeds of 65 W which is faster than in 65.2% of smartphones and equal to speeds in 2.6% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) supports fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: LOW

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) supports wireless charging. 25.2% of smartphones support wireless charging.
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    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) includes stereo speakers. 64.4% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    no
    OnePlus 9 5G (12GB + 256GB) does not include a 3.5 mm headphone jack. 45.5% of smartphones offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: LOW

    Good value: ≥3

    2
    OnePlus 9 5G (12GB + 256GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    yes
    OnePlus 9 5G (12GB + 256GB) includes an FM radio. 34.2% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    OnePlus 9 5G (12GB + 256GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
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    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    160 mm
    OnePlus 9 5G (12GB + 256GB) has a height of 160 mm which is shorter than 79.8% of smartphones and equal to that of 0.9% of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    74.2 mm
    OnePlus 9 5G (12GB + 256GB) has a width of 74.2 mm which is narrower than 80.5% of smartphones and equal to that of 1.2% of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    8.7 mm
    OnePlus 9 5G (12GB + 256GB) has a thickness of 8.7 mm which is thicker than 69.5% of smartphones and equal to that of 1.7% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: LOW

    Good value: <190 g

    192 g
    OnePlus 9 5G (12GB + 256GB) weighs 192 g which is lighter than 58.8% of smartphones and equal to the weight of 3.2% of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    94,720 cm³
    OnePlus 9 5G (12GB + 256GB) has a device volume of 94720 cm³ which is smaller than 61.2% of smartphones and equal to that of 0.8% of smartphones.
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    OnePlus 9 5G (12GB + 256GB) vs the average smartphone

    • 95.9% larger main camera sensor area
      OnePlus 9 5G (12GB + 256GB) has a larger main camera sensor area than the average smartphone (62.7 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
      What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
      When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

      Importance: HIGH

      Good value: >60

      OnePlus 9 5G (12GB + 256GB) has a larger main camera sensor area than the average smartphone (62.7 mm² vs 32 mm²). The average main camera sensor area is 32 mm².62.7 mm² vs 32 mm²
    • Supports wireless charging
      OnePlus 9 5G (12GB + 256GB) supports wireless charging, the average smartphone does not. 25.2% of smartphones are wireless charging compatible.
      What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
      When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) supports wireless charging, the average smartphone does not. 25.2% of smartphones are wireless charging compatible.
    • Better main camera video
      OnePlus 9 5G (12GB + 256GB) records better main camera video than the average smartphone. 44.2x of smartphones support 4K or higher.
      What it is: The maximum resolution and frame rate at which the main rear camera can record video.
      When it matters: When you want to record memories or content in high definition or 4K.

      Importance: MEDIUM

      OnePlus 9 5G (12GB + 256GB) records better main camera video than the average smartphone. 44.2x of smartphones support 4K or higher.4320x30 fps vs 2160x30 fps
    • 66.7% lower TDP
      OnePlus 9 5G (12GB + 256GB) has a lower TDP than the average smartphone (10 W vs 6 W). The average TDP for smartphones is 6 W.
      What it is: The amount of heat a processor is expected to generate under typical use, measured in watts. It helps determine cooling requirements.
      When it matters: When you are concerned about how much heat the device generates under load.

      Importance: MEDIUM

      Good value: >9 W

      OnePlus 9 5G (12GB + 256GB) has a lower TDP than the average smartphone (10 W vs 6 W). The average TDP for smartphones is 6 W.10 W vs 6 W
    • 4 GB more RAM
      OnePlus 9 5G (12GB + 256GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
      What it is: The amount of volatile memory available for running apps and multitasking.
      When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

      Importance: HIGH

      Good value: >12 GB

      OnePlus 9 5G (12GB + 256GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.12 GB vs 8 GB
    • 16x more L1
      OnePlus 9 5G (12GB + 256GB) has more L1 cache than the average smartphone (512 KB vs 32 KB). The average L1 cache is 32 KB.
      What it is: The smallest and fastest level of cache memory located inside the CPU core. It stores frequently accessed data for rapid access by the processor.
      When it matters: When you need the processor to access its most immediate instructions instantly.

      Importance: LOW

      Good value: >512 KB

      OnePlus 9 5G (12GB + 256GB) has more L1 cache than the average smartphone (512 KB vs 32 KB). The average L1 cache is 32 KB.512 KB vs 32 KB
    • 0.32 µm larger main camera pixel size
      OnePlus 9 5G (12GB + 256GB) has a larger main camera pixel size than the average smartphone (1.1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
      2.24 binned
      What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
      When it matters: When you shoot in low light and want reduced noise in your photos.

      Importance: LOW

      Good value: ≥1.2 µm

      OnePlus 9 5G (12GB + 256GB) has a larger main camera pixel size than the average smartphone (1.1 µm vs 0.8 µm). The average pixel size is 0.8 µm.1.12 µm vs 0.8 µm
    • Newer DDR memory version
      OnePlus 9 5G (12GB + 256GB) supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.
      What it is: The generation of DDR (Double Data Rate) RAM used in the device (e.g., LPDDR4X, LPDDR5). Newer versions offer better speed and power efficiency.
      When it matters: When you want the latest balance of high speed and improved power efficiency.

      Importance: LOW

      Good value: 5

      OnePlus 9 5G (12GB + 256GB) supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.5 vs 4
    • 66.7% lower TDP
      OnePlus 9 5G (12GB + 256GB) has a lower TDP than the average smartphone (10 W vs 6 W). The average TDP for smartphones is 6 W.
    • 4 GB more RAM
      OnePlus 9 5G (12GB + 256GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 16x more L1
      OnePlus 9 5G (12GB + 256GB) has more L1 cache than the average smartphone (512 KB vs 32 KB). The average L1 cache is 32 KB.
    • Newer DDR memory version
      OnePlus 9 5G (12GB + 256GB) supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.
    • 58.1% higher Geekbench 6 single-core benchmark score
      OnePlus 9 5G (12GB + 256GB) scores better in Geekbench 6 single-core than the average smartphone (1489 vs 942). The average smartphone scores 942 in single-core.
    • 18.3% higher CPU boost clock speed
      OnePlus 9 5G (12GB + 256GB) has a higher CPU boost clock speed than the average smartphone (2.8 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • Higher CPU base clock speed
      OnePlus 9 5G (12GB + 256GB) has a higher CPU base clock speed than the average smartphone (1x2.84 GHz & 3x2.42 GHz & 4x1.8 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
    • 84.9% higher 3DMark Wild Life benchmark
      OnePlus 9 5G (12GB + 256GB) scores higher in 3DMark Wild Life than the average smartphone (5761 vs 3115). The average smartphone scores 3115.
    • 2x higher memory bandwidth
      OnePlus 9 5G (12GB + 256GB) has higher memory bandwidth than the average smartphone (51.2 GB/s vs 25.6 GB/s). The average memory bandwidth is 25.6 GB/s.
    • 16.7% smaller process node
      OnePlus 9 5G (12GB + 256GB) uses a smaller process node than the average smartphone (5 nm vs 6 nm). The average process node size is 6 nm.
    • 57.8% higher Geekbench 6 multi-core benchmark score
      OnePlus 9 5G (12GB + 256GB) scores better in Geekbench 6 multi-core than the average smartphone (3996 vs 2533). The average smartphone scores 2533 in multi-core.
    • 3x more shader units
      OnePlus 9 5G (12GB + 256GB) features more shader units than the average smartphone (768 vs 256). The average smartphone has 256 shader units.
    • Better processor
      OnePlus 9 5G (12GB + 256GB) features a better processor than the average smartphone (Qualcomm Snapdragon 888 vs Qualcomm Snapdragon 7 Gen 3).
    • 11.4% higher PCMark Work 3 Performance benchmark
      OnePlus 9 5G (12GB + 256GB) has a higher PCMark Work 3 performance score than the average smartphone (12016 vs 10783). The average score is 10783.
    • 14.3% higher maximum RAM
      OnePlus 9 5G (12GB + 256GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • 50.8% higher 3DMark Wild Life Unlimited benchmark
      OnePlus 9 5G (12GB + 256GB) scores higher in 3DMark Wild Life Unlimited than the average smartphone (5767 vs 3825). The average smartphone scores 3825.
    • 16.4% faster memory speed
      OnePlus 9 5G (12GB + 256GB) supports faster memory speed than the average smartphone (3200 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
    • 25.4% higher 3DMark Wild Life Extreme benchmark
      OnePlus 9 5G (12GB + 256GB) performs better in 3DMark Wild Life Extreme than the average smartphone (1538 vs 1226). The average smartphone scores 1226.
    • 95.9% larger main camera sensor area
      OnePlus 9 5G (12GB + 256GB) has a larger main camera sensor area than the average smartphone (62.7 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
    • Better main camera video
      OnePlus 9 5G (12GB + 256GB) records better main camera video than the average smartphone. 44.2x of smartphones support 4K or higher.
    • 0.32 µm larger main camera pixel size
      OnePlus 9 5G (12GB + 256GB) has a larger main camera pixel size than the average smartphone (1.1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
    • Supports RAW photo capture
      OnePlus 9 5G (12GB + 256GB) supports RAW photo capture, the average smartphone does not. 37.1% of smartphones allow RAW files.
    • 1 more flash LEDs
      OnePlus 9 5G (12GB + 256GB) has more flash LEDs than the average smartphone (2 vs 1). The average smartphone has 1 flash LEDs.
    • Has a dual-tone LED flash
      OnePlus 9 5G (12GB + 256GB) features a dual-tone LED flash, the average smartphone does not. 41.4% of smartphones include dual-tone flash.
    • Higher-resolution main camera
      OnePlus 9 5G (12GB + 256GB) has a higher main camera resolution than the average smartphone (50 MP & 48 MP & 2 MP vs 50 MP & 8 MP). The average smartphone main camera has 50 MP & 8 MP megapixels.
    • Newer USB version
      OnePlus 9 5G (12GB + 256GB) supports a newer USB version than the average smartphone (3.1 vs 2.0). The average version is USB 2.0.
    • Newer Wi-Fi version
      OnePlus 9 5G (12GB + 256GB) supports a newer Wi-Fi version than the average smartphone (Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) vs Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)). The average smartphone uses Wi-Fi Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n).
    • Supports ANT+
      OnePlus 9 5G (12GB + 256GB) supports ANT+ technology, the average smartphone does not. 6% of smartphones are ANT+ compatible.
    • Has an infrared sensor
      OnePlus 9 5G (12GB + 256GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
    • Supports HDR10 support
      OnePlus 9 5G (12GB + 256GB) supports HDR10, the average smartphone does not. 42.7% of smartphones are HDR10 compatible.
    • 50% higher touch sampling rate
      OnePlus 9 5G (12GB + 256GB) has a higher touch sampling rate than the average smartphone (360 Hz vs 240 Hz). The average touch sampling rate is 240 Hz.
    • Has an always-on display
      OnePlus 9 5G (12GB + 256GB) features an always-on display, the average smartphone does not. 49.2% of smartphones offer always-on functionality.
    • 24.4% higher screen brightness
      OnePlus 9 5G (12GB + 256GB) has a higher screen brightness than the average smartphone (821 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 1.8% higher pixel density
      OnePlus 9 5G (12GB + 256GB) has a higher pixel density than the average smartphone (402 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 100 nits higher peak brightness
      OnePlus 9 5G (12GB + 256GB) has a higher peak brightness than the average smartphone (1100 nits vs 1000 nits). The average peak brightness is 1000 nits.
    • Supports wireless charging
      OnePlus 9 5G (12GB + 256GB) supports wireless charging, the average smartphone does not. 25.2% of smartphones are wireless charging compatible.
    • 97% faster charging speed
      OnePlus 9 5G (12GB + 256GB) supports a faster charging speed than the average smartphone (65 W vs 33 W). The average charging speed is 33 W.
    • Has FM radio
      OnePlus 9 5G (12GB + 256GB) features an FM radio, the average smartphone does not. 34.2% of smartphones include an FM tuner.
    • Supports aptX
      OnePlus 9 5G (12GB + 256GB) supports aptX, the average smartphone does not. 50% of smartphones are aptX compatible.
    • 1.8 mm narrower
      OnePlus 9 5G (12GB + 256GB) is narrower than the average smartphone (74.2 mm vs 76 mm). The average smartphone width is 76 mm.
    • 3.6 mm shorter
      OnePlus 9 5G (12GB + 256GB) is shorter than the average smartphone (160 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
    • Lacks multithreading support
      OnePlus 9 5G (12GB + 256GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    • No live text recognition
      OnePlus 9 5G (12GB + 256GB) does not support live text recognition, the average smartphone does. 50.9% of smartphones offer real-time text recognition.
    • No location privacy controls
      OnePlus 9 5G (12GB + 256GB) does not offer location privacy controls, the average smartphone does. 88% of smartphones include location privacy features.
    • Lacks app tracking protection
      OnePlus 9 5G (12GB + 256GB) does not have app tracking protection, the average smartphone does. 70.2% of smartphones include app tracking protection.
    • No camera/mic privacy toggles
      OnePlus 9 5G (12GB + 256GB) lacks camera and microphone privacy toggles, the average smartphone includes them. 87% of smartphones offer these toggles.
    • Older Android version
      OnePlus 9 5G (12GB + 256GB) runs an older Android version than the average smartphone (Android 11 vs Android 14). The average smartphone runs Android version Android 14.
    • No battery health monitoring
      OnePlus 9 5G (12GB + 256GB) lacks battery health monitoring, the average smartphone includes it. 66.3% of smartphones provide battery health stats.
    • Does not allow app offloading
      OnePlus 9 5G (12GB + 256GB) does not support app offloading, the average smartphone does. 51.9% of smartphones support app offloading to save space.
    • No scrolling screenshot support
      OnePlus 9 5G (12GB + 256GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
    • Does not allow play while downloading
      OnePlus 9 5G (12GB + 256GB) cannot play games while downloading, the average smartphone can. 77.3% of smartphones support play-while-downloading.
    • No dynamic theme support
      OnePlus 9 5G (12GB + 256GB) does not support dynamic themes, the average smartphone does. 81.9% of smartphones support dynamic theming.
    • Lacks extra dim mode
      OnePlus 9 5G (12GB + 256GB) does not have extra dim mode, the average smartphone does. 82.5% of smartphones offer extra dimming features.
    • Narrower main camera aperture
      OnePlus 9 5G (12GB + 256GB) has a narrower main camera aperture than the average smartphone (f/1.8 & f/2.2 & f/2.4 vs f/1.8 & f/2.2 & f/2.4 & f/2.4). The average smartphone aperture is f/1.8 & f/2.2 & f/2.4 & f/2.4.
    • Narrower front camera aperture
      OnePlus 9 5G (12GB + 256GB) has a narrower front camera aperture than the average smartphone (f/2.4 vs f/2.2). The average smartphone front aperture is f/2.2.
    • No memory card slot
      OnePlus 9 5G (12GB + 256GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • Worse display glass type
      OnePlus 9 5G (12GB + 256GB) uses a worse display glass type than the average smartphone (Corning Gorilla Glass vs Corning Gorilla Glass 5). 0% of smartphones use the better glass type.
    • 0.12 inches inch smaller screen size
      OnePlus 9 5G (12GB + 256GB) has a smaller screen size than the average smartphone (6.6 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • 10% smaller battery capacity
      OnePlus 9 5G (12GB + 256GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
    • Lower GSMArena battery endurance score
      OnePlus 9 5G (12GB + 256GB) has a lower GSMArena battery endurance score than the average smartphone (87 vs 99.5). The average smartphone scores 99.5.
    • No reverse wired charging
      OnePlus 9 5G (12GB + 256GB) does not support reverse wired charging, the average smartphone does. 60.8% of smartphones support reverse wired charging.
    • 25% slower wireless charging speed
      OnePlus 9 5G (12GB + 256GB) has a slower wireless charging speed than the average smartphone (15 W vs 20 W). The average smartphone wireless charging speed is 20 W.
    • 3 year/s older release date
      OnePlus 9 5G (12GB + 256GB) is an older model than the average smartphone (2021 vs 2024). 3% of smartphones were released more recently.
      March 2021
    • 0.4 mm thicker
      OnePlus 9 5G (12GB + 256GB) is thicker than the average smartphone (8.7 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • Lacks multithreading support
      OnePlus 9 5G (12GB + 256GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
      What it is: Indicates whether the CPU can handle multiple threads per core to improve multitasking.
      When it matters: When you want better efficiency and speed while running background tasks alongside active apps.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    • No live text recognition
      OnePlus 9 5G (12GB + 256GB) does not support live text recognition, the average smartphone does. 50.9% of smartphones offer real-time text recognition.
      What it is: A feature that can identify and extract text from images, camera viewfinder, or documents in real-time for copying, translating, or other actions.
      When it matters: When you need to quickly copy text from a physical document or sign using your camera.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) does not support live text recognition, the average smartphone does. 50.9% of smartphones offer real-time text recognition.
    • No memory card slot
      OnePlus 9 5G (12GB + 256GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
      What it is: A physical slot, usually for microSD cards, allowing users to expand the device's storage capacity.
      When it matters: When you want to cheaply expand your storage for photos, music, and movies.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • Lacks app tracking protection
      OnePlus 9 5G (12GB + 256GB) does not have app tracking protection, the average smartphone does. 70.2% of smartphones include app tracking protection.
      What it is: A system-level feature that limits how apps track user behavior across other apps and services.
      When it matters: When you want to stop apps from following your activity across other companies' apps and websites.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) does not have app tracking protection, the average smartphone does. 70.2% of smartphones include app tracking protection.
    • No location privacy controls
      OnePlus 9 5G (12GB + 256GB) does not offer location privacy controls, the average smartphone does. 88% of smartphones include location privacy features.
      What it is: A privacy feature that allows users to control which apps have access to location data and when they can use it.
      When it matters: When you want to control exactly when and how apps track your physical movements.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) does not offer location privacy controls, the average smartphone does. 88% of smartphones include location privacy features.
    • No camera/mic privacy toggles
      OnePlus 9 5G (12GB + 256GB) lacks camera and microphone privacy toggles, the average smartphone includes them. 87% of smartphones offer these toggles.
      What it is: A privacy control that restricts or notifies users about apps accessing the camera or microphone.
      When it matters: When you want assurance that no app is secretly recording you.

      Importance: LOW

      OnePlus 9 5G (12GB + 256GB) lacks camera and microphone privacy toggles, the average smartphone includes them. 87% of smartphones offer these toggles.
    • 10% smaller battery capacity
      OnePlus 9 5G (12GB + 256GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      OnePlus 9 5G (12GB + 256GB) has a smaller battery capacity than the average smartphone (4500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.4500 mAh vs 5000 mAh
    • Lower GSMArena battery endurance score
      OnePlus 9 5G (12GB + 256GB) has a lower GSMArena battery endurance score than the average smartphone (87 vs 99.5). The average smartphone scores 99.5.
      What it is: An older metric estimating the total standby and usage time based on a mix of calls, browsing, and video playback.
      When it matters: When you want to compare standby performance based on older, well-known testing standards.

      Importance: MEDIUM

      OnePlus 9 5G (12GB + 256GB) has a lower GSMArena battery endurance score than the average smartphone (87 vs 99.5). The average smartphone scores 99.5.87 vs 99.5

    Graphic comparison of OnePlus 9 5G (12GB + 256GB) and other smartphones

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    Third-party reviews

    (Reviews last updated: August 2026)

    What customers like about OnePlus 9 5G (12GB + 256GB)?

    • Blazing fast performance and speed, thanks to the Snapdragon 888 processor and 120Hz display.
    • Incredibly fast 65W wired charging (Warp Charge 65T) that can fully charge the phone in about 30 minutes, with the charger included in the box.
    • Impressive display quality, described as beautiful, crisp, and vibrant AMOLED with a smooth 120Hz refresh rate.
    • Good value for money, especially when purchased on sale, offering flagship-level specs at a competitive price point.
    • Clean and highly customizable software (OxygenOS 11), with minimal bloatware.
    • Solid battery life that typically lasts all day with average use.
    • High-quality main and ultra-wide cameras that produce detailed photos with good color accuracy in adequate lighting conditions.

    What customers dislike about OnePlus 9 5G (12GB + 256GB)?

    • Inconsistent camera performance, particularly in low-light conditions, with some users finding the photo quality disappointing or 'fuzzy'.
    • Lack of Optical Image Stabilization (OIS) on the main camera, which affects clarity in low light and video stability.
    • Some users reported occasional overheating issues, especially during intensive use like filming in 4K/60fps or using GPS in the sun.
    • The phone has a plastic frame (mid-frame) which makes it feel less premium compared to other flagships with metal builds.
    • No official IP68 water resistance rating for the unlocked model.
    • Absence of a 3.5mm headphone jack and no expandable storage via a microSD card slot.
    • Potential long-term reliability concerns, with some users reporting hardware issues like screen green lines or motherboard failure after about a year of use.
    • Software updates (transition to ColorOS based OxygenOS 12/13) have been a drawback for some users, who found the new OS buggy and less appealing than the original OxygenOS 11.

    Expert reviews

    E
    expertreviews.co.uk
    29/11/2022
    Summary of the review
    A
    androidpolice.com
    06/01/2022
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    tomsguide.com
    10/06/2021
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    techadvisor.com
    25/09/2023
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    pcmag.com
    06/04/2021
    Summary of the review
    G
    gsmarena.com
    23/03/2021
    Summary of the review
    D
    digitalcitizen.life
    01/10/2025
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    C
    cnet.com
    12/01/2022
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    A
    androidcentral.com
    14/09/2021
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    C
    coolsmartphone.com
    11/05/2021
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    T
    techradar.com
    26/04/2021
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    9
    9to5google.com
    26/03/2021
    Summary of the review
    S
    smartzone.de
    11/05/2021
    Summary of the review
    C
    china-gadgets.de
    23/12/2021
    Summary of the review
    Z
    zeit.de
    26/03/2021
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    I
    inside-digital.de
    23/03/2021
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    G
    gizlogic.com
    16/11/2021
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    E
    es.gizmodo.com
    13/04/2021
    Summary of the review
    P
    profesionalreview.com
    23/03/2021
    Summary of the review
    G
    global.techradar.com
    23/07/2021
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    S
    smartworld.it
    30/03/2021
    Summary of the review
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    tomshw.it
    23/03/2021
    Summary of the review
    I
    ilfattoquotidiano.it
    25/03/2021
    Summary of the review
    A
    andreagaleazzi.com
    25/03/2021
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    tweakers.net
    27/03/2021
    Summary of the review
    C
    ct.nl
    25/03/2021
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    portablegear.nl
    23/03/2021
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    A
    androidworld.nl
    31/03/2021
    Summary of the review
    A
    ad.nl
    27/03/2021
    Summary of the review
    G
    global.techradar.com
    23/03/2021
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    T
    techzine.nl
    27/03/2021
    Summary of the review
    A
    androidplanet.nl
    30/03/2021
    Summary of the review
    A
    androidworld.nl
    23/03/2021
    Summary of the review

    Video reviews

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