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Oppo K12x (12GB + 512GB) Review | 197 Data compared

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  • Avg. price: ~£250
  • RAM capacity: 12 GB
  • Internal storage: 512 GB
  • Screen size: 6.67 inches
  • Main camera megapixels: 50 MP & 2 MP

Oppo K12x (12GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.9

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%

6.9

Technical Score

10.0%

?

User score

Good
6.9

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%

7.0

Performance & Hardware

18.0%

5.7

Camera

15.0%

7.1

Display

15.0%

7.9

Battery

10.0%

7.4

Software

10.0%

7.1

Connectivity

4.0%

5.5

Audio

3.0%

7.3

Design

Good
?

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%

?

User reviews

30.0%

?

Popularity

    • No image
    No image

    Best prices

      N/A~ £250

    Best rankings

    ?

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

    Verdict

    The Oppo K12x (12GB + 512GB) is a budget-friendly 5G smartphone running Android 14, known for its durable build with MIL-STD-810H certification and IP54 splash resistance. Key specifications include a 6.67-inch display with a 120Hz refresh rate (note: some regional models feature an AMOLED FHD+ panel, others an HD+ LCD) and a 5100mAh or 5500mAh battery supporting either 45W or 80W wired fast charging, depending on the specific release variant. It is powered by the MediaTek Dimensity 6300 or Snapdragon 695 5G chipset with a dual rear camera system (32MP/50MP main + 2MP portrait) and an 8MP/16MP front camera. Main pros are its solid durability, excellent battery life, fast charging, smooth 120Hz display, and generous storage for the price. Cons include average low-light camera performance, no ultra-wide lens, lack of 4K video recording or video stabilization, and the display resolution being limited to HD+ in some regions.

    Technical Specifications of smartphone Oppo K12x (12GB + 512GB)

    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%

    ?

    Performance & Hardware

    18.0%

    ?

    Camera

    15.0%

    ?

    Display

    15.0%

    ?

    Battery

    10.0%

    ?

    Software

    10.0%

    ?

    Connectivity

    4.0%

    ?

    Audio

    3.0%

    ?

    Design

    6.9
    Oppo K12x (12GB + 512GB) has a technical score of 6.9 points, which is lower than 61.3% 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%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    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.
    1.0
    Oppo K12x (12GB + 512GB) has a popularity of 1 points, which is lower than 67.3% 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%

    6.9

    Overall score

    40.0%

    9.2

    Price

    7.6
    Oppo K12x (12GB + 512GB) has a quality-to-price ratio of 7.6 points, which is lower than 54.9% 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: MEDIUM

    Oppo
    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 695 5G
    Oppo K12x (12GB + 512GB) uses the Qualcomm Snapdragon 695 5G processor model which is slower than processors in 69.9% of smartphones and equal to processors in 2.4% 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
    Oppo K12x (12GB + 512GB) 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: HIGH

    Good value: >256 GB

    512 GB
    Oppo K12x (12GB + 512GB) has an internal storage capacity of 512 GB which is larger than the storage of 77.1% of smartphones and equal to that of 17.2% 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

    2.2 GHz
    The CPU boost clock speed of Oppo K12x (12GB + 512GB) is 2.2 GHz which is lower than the boost speed of 68.4% of smartphones and equal to that of 14.4% 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: HIGH

    Android
    Oppo K12x (12GB + 512GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 14
    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 14
    Oppo K12x (12GB + 512GB) runs Android version Android 14 which is newer than that found in 49.5% of smartphones and equal to that in 21% 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: HIGH

    no
    Oppo K12x (12GB + 512GB) does not receive direct OS updates. 20.5% 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
    Oppo K12x (12GB + 512GB) 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
    Oppo K12x (12GB + 512GB) 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: MEDIUM

    yes
    Oppo K12x (12GB + 512GB) 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: HIGH

    Good value: >50 MP

    50 MP & 2 MP
    Oppo K12x (12GB + 512GB) has a main camera resolution of 50 MP & 2 MP MP which is lower than that of 57.5% of smartphones and equal to that of 12.9% 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: HIGH

    f/1.8 & f/2.4
    Oppo K12x (12GB + 512GB) has a main camera aperture of f/1.8 & f/2.4 which is narrower than that of 57.9% of smartphones and equal to that of 12.6% 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

    24.5 mm²
    Oppo K12x (12GB + 512GB) has a main camera sensor area of 24.5 mm² which is smaller than the main camera sensor area of 71.7% of smartphones and equal to that of 1.8% 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: MEDIUM

    Good value: ≥1.2 µm

    0.7 µm
    Oppo K12x (12GB + 512GB) has a main camera pixel size of 0.7 µm which is smaller than in 64.6% of smartphones and equal to the size in 10.4% of smartphones.
    1.4 binned
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    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: MEDIUM

    Good value: ≥2

    2
    Oppo K12x (12GB + 512GB) 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
    Oppo K12x (12GB + 512GB) 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: MEDIUM

    yes
    Oppo K12x (12GB + 512GB) 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: HIGH

    yes
    Oppo K12x (12GB + 512GB) 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: HIGH

    yes
    Oppo K12x (12GB + 512GB) 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: MEDIUM

    Good value: ≥6.6 inches

    6.67 inches
    Oppo K12x (12GB + 512GB) has a screen size of 6.67 inches which is larger than the screens of 38.3% of smartphones and equal to those of 13.4% 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: HIGH

    1080 x 2400 px
    Oppo K12x (12GB + 512GB) 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: HIGH

    Good value: >400 ppi

    395 ppi
    Oppo K12x (12GB + 512GB) has a pixel density of 395 ppi which is higher than that of 41.7% of smartphones and equal to that of 8.9% 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: HIGH

    OLED/AMOLED
    Oppo K12x (12GB + 512GB) 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: HIGH

    Good value: ≥120 Hz

    120 Hz
    Oppo K12x (12GB + 512GB) 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

    5,500 mAh
    Oppo K12x (12GB + 512GB) has a battery capacity of 5500 mAh which is larger than the batteries in 67.7% of smartphones and equal to those in 3% 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: HIGH

    Good value: >60 W

    80 W
    Oppo K12x (12GB + 512GB) supports charging speeds of 80 W which is faster than in 78.9% of smartphones and equal to speeds in 7.4% 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: MEDIUM

    yes
    Oppo K12x (12GB + 512GB) 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: MEDIUM

    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: MEDIUM

    no
    Oppo K12x (12GB + 512GB) does not support wireless charging. 25.3% 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: MEDIUM

    yes
    Oppo K12x (12GB + 512GB) includes stereo speakers. 64.5% 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

    yes
    Oppo K12x (12GB + 512GB) includes a 3.5 mm headphone jack. 45.3% of smartphones still 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: MEDIUM

    Good value: ≥3

    ?
    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

    no
    Oppo K12x (12GB + 512GB) does not include an FM radio. 33.7% 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
    Oppo K12x (12GB + 512GB) 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

    162.9 mm
    Oppo K12x (12GB + 512GB) has a height of 162.9 mm which is shorter than 59.1% of smartphones and equal to that of 1.4% 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

    75.6 mm
    Oppo K12x (12GB + 512GB) has a width of 75.6 mm which is narrower than 57.6% of smartphones and equal to that of 1.9% 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

    8.1 mm
    Oppo K12x (12GB + 512GB) has a thickness of 8.1 mm which is thinner than 58.9% of smartphones and equal to that of 4.2% 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: MEDIUM

    Good value: <190 g

    191 g
    Oppo K12x (12GB + 512GB) weighs 191 g which is lighter than 62.1% of smartphones and equal to the weight of 1.3% 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

    97,200 cm³
    Oppo K12x (12GB + 512GB) has a device volume of 97200 cm³ which is smaller than 52.1% of smartphones and equal to that of 2.2% of smartphones.
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    Oppo K12x (12GB + 512GB) vs the average smartphone

    • 2.42x faster charging speed
      Oppo K12x (12GB + 512GB) supports a faster charging speed than the average smartphone (80 W vs 33 W). The average charging speed is 33 W.
      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: HIGH

      Good value: >60 W

      Oppo K12x (12GB + 512GB) supports a faster charging speed than the average smartphone (80 W vs 33 W). The average charging speed is 33 W.80 W vs 33 W
    • 4 GB more RAM
      Oppo K12x (12GB + 512GB) 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

      Oppo K12x (12GB + 512GB) 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
    • 10% larger battery capacity
      Oppo K12x (12GB + 512GB) has a larger battery capacity than the average smartphone (5,500 mAh vs 5,000 mAh). The average smartphone battery is 5,000 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

      Oppo K12x (12GB + 512GB) has a larger battery capacity than the average smartphone (5,500 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.5500 mAh vs 5000 mAh
    • Has an always-on display
      Oppo K12x (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
      What it is: A feature that keeps a portion of the screen active to show time, date, and notifications while the device is asleep.
      When it matters: When you want to glance at the time or notifications without touching the phone.

      Importance: MEDIUM

      Oppo K12x (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 2x more storage
      Oppo K12x (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of 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: HIGH

      Good value: >256 GB

      Oppo K12x (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.512 GB vs 256 GB
    • 28.8% higher screen brightness
      Oppo K12x (12GB + 512GB) has a higher screen brightness than the average smartphone (850 nits vs 660 nits). The average smartphone brightness is 660 nits.
      What it is: The highest sustained brightness level the screen can achieve to remain visible under direct sunlight.
      When it matters: When you need to read your screen clearly under direct sunlight.

      Importance: MEDIUM

      Good value: >800 nits

      Oppo K12x (12GB + 512GB) has a higher screen brightness than the average smartphone (850 nits vs 660 nits). The average smartphone brightness is 660 nits.850 nits vs 660 nits
    • Has a 3.5 mm headphone jack
      Oppo K12x (12GB + 512GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard 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

      Oppo K12x (12GB + 512GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • 2.7% lighter
      Oppo K12x (12GB + 512GB) is lighter than the average smartphone (191 g vs 196.2 g). The average smartphone weighs 196.2 g.
      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: MEDIUM

      Good value: <190 g

      Oppo K12x (12GB + 512GB) is lighter than the average smartphone (191 g vs 196.2 g). The average smartphone weighs 196.2 g.191 g vs 196.2 g
    • 4 GB more RAM
      Oppo K12x (12GB + 512GB) has more RAM capacity than the average smartphone (12 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 2x more storage
      Oppo K12x (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • Has an always-on display
      Oppo K12x (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 28.8% higher screen brightness
      Oppo K12x (12GB + 512GB) has a higher screen brightness than the average smartphone (850 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 2.42x faster charging speed
      Oppo K12x (12GB + 512GB) supports a faster charging speed than the average smartphone (80 W vs 33 W). The average charging speed is 33 W.
    • 10% larger battery capacity
      Oppo K12x (12GB + 512GB) has a larger battery capacity than the average smartphone (5,500 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
    • Has a 3.5 mm headphone jack
      Oppo K12x (12GB + 512GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • 2.7% lighter
      Oppo K12x (12GB + 512GB) is lighter than the average smartphone (191 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 0.2 mm thinner
      Oppo K12x (12GB + 512GB) is thinner than the average smartphone (8.1 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.
    • 0.4 mm narrower
      Oppo K12x (12GB + 512GB) is narrower than the average smartphone (75.6 mm vs 76 mm). The average smartphone width is 76 mm.
    • 0.7 mm shorter
      Oppo K12x (12GB + 512GB) is shorter than the average smartphone (162.9 mm vs 163.6 mm). The average smartphone height is 163.6 mm.

    Total
    Performance & Hardware
    Display
    Battery
    Audio
    Design
    • Worse processor
      Oppo K12x (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 695 5G vs Qualcomm Snapdragon 7 Gen 3).
    • 42.9% lower maximum RAM capacity
      Oppo K12x (12GB + 512GB) supports less maximum RAM than the average smartphone (8 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
    • Lacks multithreading support
      Oppo K12x (12GB + 512GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    • 24.5% lower PCMark Work 3.0 Performance benchmark
      Oppo K12x (12GB + 512GB) performs worse in PCMark Work 3.0 than the average smartphone (8,137 vs 10,783). The average smartphone scores 10,783 in PCMark Work 3.0.
    • 33.3% higher TDP (less efficient)
      Oppo K12x (12GB + 512GB) has a higher TDP than the average smartphone (4 W vs 6 W). The average smartphone has a TDP of 6 W.
    • 22.4% slower memory speed
      Oppo K12x (12GB + 512GB) has a lower memory speed than the average smartphone (2,133 MHz vs 2,750 MHz). The average smartphone has a memory speed of 2,750 MHz.
    • 23.1% lower Geekbench 6 multi-core benchmark score
      Oppo K12x (12GB + 512GB) performs worse in Geekbench 6 multi-core than the average smartphone (1,948 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
    • 33.6% lower memory bandwidth
      Oppo K12x (12GB + 512GB) has lower memory bandwidth than the average smartphone (17 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
    • 8.3% lower CPU boost clock speed
      Oppo K12x (12GB + 512GB) has a lower CPU boost clock speed than the average smartphone (2.2 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 17% lower Geekbench 6 single-core benchmark score
      Oppo K12x (12GB + 512GB) performs worse in Geekbench 6 single-core than the average smartphone (782 vs 942). The average smartphone scores 942 in the Geekbench 6 single-core test.
    • Lower CPU base clock speed
      Oppo K12x (12GB + 512GB) has a lower CPU base clock speed than the average smartphone (2x2.2 GHz & 6x1.7 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
    • Lacks focus mode
      Oppo K12x (12GB + 512GB) does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
    • Lacks instant markup
      Oppo K12x (12GB + 512GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
    • No Wi-Fi password sharing
      Oppo K12x (12GB + 512GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Worse main camera video quality
      Oppo K12x (12GB + 512GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • Narrower main camera aperture
      Oppo K12x (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.8 & 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.
    • 23.4% smaller main camera sensor area
      Oppo K12x (12GB + 512GB) has a smaller main camera sensor area than the average smartphone (24.5 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • Lower-resolution main camera
      Oppo K12x (12GB + 512GB) has a lower-resolution main camera than the average smartphone (50 MP & 2 MP vs 50 MP & 8 MP). The average smartphone has a 50 MP & 8 MP main camera.
    • Narrower front camera aperture
      Oppo K12x (12GB + 512GB) 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.
    • 0.1 µm smaller main camera pixel size
      Oppo K12x (12GB + 512GB) has a smaller main camera pixel size than the average smartphone (0.7 µm vs 0.8 µm). The average smartphone has a pixel size of 0.8 µm.
      1.4 binned
    • No NFC
      Oppo K12x (12GB + 512GB) does not support NFC, the average smartphone does. 83.1% of smartphones feature NFC.
    • 50% lower touch sampling rate
      Oppo K12x (12GB + 512GB) has a lower touch sampling rate than the average smartphone (120 Hz vs 240 Hz). The average smartphone has a sampling rate of 240 Hz.
    • Worse display glass type
      Oppo K12x (12GB + 512GB) uses a worse display glass type than the average smartphone (Panda Glass vs Corning Gorilla Glass 5). 0.00% of smartphones use the better glass type.
    • No LDAC support
      Oppo K12x (12GB + 512GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • No aptX support
      Oppo K12x (12GB + 512GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • Lower IP rating
      Oppo K12x (12GB + 512GB) has a lower IP rating than the average smartphone (IP54 vs IP67). 0.00% of smartphones have a higher IP rating.
    • Worse processor
      Oppo K12x (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 695 5G vs Qualcomm Snapdragon 7 Gen 3).
      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

      Oppo K12x (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 695 5G vs Qualcomm Snapdragon 7 Gen 3).Qualcomm Snapdragon 695 5G vs Qualcomm Snapdragon 7 Gen 3
    • 42.9% lower maximum RAM capacity
      Oppo K12x (12GB + 512GB) supports less maximum RAM than the average smartphone (8 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
      What it is: The highest amount of RAM that the device’s chipset or architecture can support, regardless of how much is actually installed.
      When it matters: When you are considering the long-term potential of the hardware platform.

      Importance: MEDIUM

      Good value: >16 GB

      Oppo K12x (12GB + 512GB) supports less maximum RAM than the average smartphone (8 GB vs 14 GB). The average smartphone supports 14 GB of RAM.8 GB vs 14 GB
    • Lacks multithreading support
      Oppo K12x (12GB + 512GB) 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: MEDIUM

      Oppo K12x (12GB + 512GB) does not support multithreading, the average smartphone does. 80.5% of smartphones support multithreading.
    • Lower IP rating
      Oppo K12x (12GB + 512GB) has a lower IP rating than the average smartphone (IP54 vs IP67). 0.00% of smartphones have a higher IP rating.
      What it is: A standardized code (Ingress Protection) indicating the device's resistance to dust and water intrusion.
      When it matters: When you want to know if your phone can survive a splash, a dunk, or a dusty environment.

      Importance: MEDIUM

      Oppo K12x (12GB + 512GB) has a lower IP rating than the average smartphone (IP54 vs IP67). 0.00% of smartphones have a higher IP rating.IP54 vs IP67
    • No NFC
      Oppo K12x (12GB + 512GB) does not support NFC, the average smartphone does. 83.1% of smartphones feature NFC.
      What it is: Near Field Communication technology that enables contactless payments, quick pairing, and data exchange over short distances.
      When it matters: When you want to make contactless payments or quickly pair with compatible accessories.

      Importance: MEDIUM

      Oppo K12x (12GB + 512GB) does not support NFC, the average smartphone does. 83.1% of smartphones feature NFC.
    • Worse main camera video quality
      Oppo K12x (12GB + 512GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
      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

      Oppo K12x (12GB + 512GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.1080x30 fps vs 2160x30 fps
    • 24.5% lower PCMark Work 3.0 Performance benchmark
      Oppo K12x (12GB + 512GB) performs worse in PCMark Work 3.0 than the average smartphone (8,137 vs 10,783). The average smartphone scores 10,783 in PCMark Work 3.0.
      What it is: A performance benchmark for Android developed by UL Solutions. It simulates everyday tasks such as web browsing, photo editing, and document writing to measure how well a device handles common productivity workloads.
      When it matters: When you use your phone for productivity tasks like document editing and data manipulation.

      Importance: HIGH

      Good value: >12000

      Oppo K12x (12GB + 512GB) performs worse in PCMark Work 3.0 than the average smartphone (8,137 vs 10,783). The average smartphone scores 10,783 in PCMark Work 3.0.8,137 vs 10,783
    • Narrower main camera aperture
      Oppo K12x (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.8 & 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.
      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: HIGH

      Oppo K12x (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.8 & 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.f/1.8 & f/2.4 vs f/1.8 & f/2.2 & f/2.4 & f/2.4
    Total
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    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Audio
    Design

    Graphic comparison of Oppo K12x (12GB + 512GB) and other smartphones

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    Third-party reviews

    What customers like about Oppo K12x (12GB + 512GB)?

    • Military-grade durability with 360° Damage-Proof Armour Body and MIL-STD-810H certification
    • Excellent battery life from the 5,100mAh battery, often lasting up to two days with typical use
    • Smooth 120Hz refresh rate display that provides a fluid user experience for scrolling and navigation
    • 45W fast charging capability, allowing the device to reach a 50% charge in approximately 30 minutes
    • Reliable everyday performance powered by the MediaTek Dimensity 6300 chipset
    • Includes a 3.5mm headphone jack and a 300% Ultra Volume Mode for enhanced audio output

    What customers dislike about Oppo K12x (12GB + 512GB)?

    • Lower display resolution (HD+) compared to competitors that offer Full HD+ screens in the same price bracket
    • Average camera performance, particularly in low-light conditions where details can be lost
    • Lacks an ultra-wide camera lens, which is a common feature on many rival mid-range smartphones
    • Presence of pre-installed bloatware and third-party apps in the ColorOS software
    • Underwhelming mono speaker system that lacks the immersive experience of stereo speakers
    • Not suitable for high-end or heavy gaming; struggles with titles like Genshin Impact

    Expert reviews

    G
    gizbot.com
    03/08/2024
    Gizbot | OPPO K12x 5G Hands-On Review: Pushing the Envelope of Durability

    The Gizbot review highlights the OPPO K12x 5G as a durability-focused, budget-friendly device featuring a 360° Damage-Proof Armour Body with MIL-STD-810H certification and an IP54 rating. Key pros include this rugged construction, a 120Hz display with Splash Touch technology, and a 5,100mAh battery supporting 45W charging, with the battery rated for over 80% capacity after four...Read more

    M
    mobigyaan.com
    14/08/2024
    OPPO K12x 5G Review - MobiGyaan

    According to a MobiGyaan review, the OPPO K12x 5G is praised for its durability, featuring a "360° Damage-Proof Armour Body" with MIL-STD-810H certification and a slim profile. It also offers a 120Hz display with Splash Touch technology, a MediaTek Dimensity 6300 SoC for performance, a 5,100 mAh battery with 45W fast charging, and AI Linkboost for stable connectivity. However, the...Read more

    M
    mobigyaan.com.en2de.search.translate.goog
    14/08/2024
    OPPO K12x 5G Review - MobiGyaan

    The OPPO K12x 5G is characterized by its 360° Damage-Proof Armour Body, featuring MIL-STD-810H certification and an IP54 rating for high durability in the budget segment. Powered by the MediaTek Dimensity 6300 chipset and a 5,100 mAh battery with 45W charging, the device offers reliable, fast-charging performance for daily use. While the design is a major pro, cons include a 720p...Read more

    (Translated)Show original
    M
    mobigyaan.com.en2es.search.translate.goog
    14/08/2024
    OPPO K12x 5G Review - MobiGyaan

    The OPPO K12x 5G is highlighted as a durable, budget-friendly device, featuring a MIL-STD-810H certified "360° Damage-Proof Armour Body," a 7.68mm slim design, and IP54 resistance. While it offers a 120Hz refresh rate and a 5,100 mAh battery with 45W fast charging, a key limitation is its HD+ (720p) display, which lacks the sharpness of competitors. Performance is driven by the...Read more

    (Translated)Show original

    Video reviews

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