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Oppo K12s (12GB + 512GB) Review | 197 Data compared

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  • Avg. price: ~£190
  • RAM capacity: 12 GB
  • Internal storage: 512 GB
  • Screen size: 6.67 inches
  • Main camera megapixels: 50 MP & 2 MP

Oppo K12s (12GB + 512GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

7.4

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%

7.4

Technical Score

10.0%

?

User score

Very good
7.4

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%

7.9

Performance & Hardware

18.0%

6.3

Camera

15.0%

7.1

Display

15.0%

8.2

Battery

10.0%

7.6

Software

10.0%

7.6

Connectivity

4.0%

6.2

Audio

3.0%

7.8

Design

Very 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~ £190

    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 K12s (12GB + 512GB) is a mid-range 5G smartphone running Android 15 with ColorOS 15, featuring a 6.67-inch FHD+ AMOLED display with a smooth 120Hz refresh rate and an in-display fingerprint sensor. It is powered by the 4nm Qualcomm Snapdragon 6 Gen 4 processor, paired with a substantial 12GB of LPDDR4x RAM and 512GB of UFS 3.1 internal storage. Photography is managed by a dual rear camera system (50MP main + 2MP depth) and a 16MP front camera. A major pro is its massive 7,000mAh battery with 80W wired fast charging support, promising exceptional endurance and quick top-ups. The device also boasts dual stereo speakers, an IP65 rating for dust and splash resistance, and NFC support. A potential con is the lack of a dedicated microSD card slot for storage expansion, and its primary availability is in China, meaning the global version (Oppo K13) may have slightly different features or limited language support on the K12s model itself.

    Technical Specifications of smartphone Oppo K12s (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

    7.4
    Oppo K12s (12GB + 512GB) has a technical score of 7.41 points, which is higher than 58.8% 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 K12s (12GB + 512GB) has a popularity of 1 points, which is lower than 67.3% of smartphones.
    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%

    7.4

    Overall score

    40.0%

    9.5

    Price

    8.0
    Oppo K12s (12GB + 512GB) has a quality-to-price ratio of 8 points, which is higher than 71.5% of smartphones.
    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 6 Gen 4
    Oppo K12s (12GB + 512GB) uses the Qualcomm Snapdragon 6 Gen 4 processor which is faster than processors in 49.9% of smartphones and equal to processors in 0.4% 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 K12s (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 K12s (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

    2.3 GHz
    The CPU boost clock speed of Oppo K12s (12GB + 512GB) is 2.3 GHz which is lower than the boost speed of 63.9% of smartphones and equal to that of 4.3% of smartphones.
    Show more
    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 K12s (12GB + 512GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 15
    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 15
    Oppo K12s (12GB + 512GB) runs Android version Android 15 which is newer than that found in 70.6% of smartphones and equal to that in 25.1% 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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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/1.9 & f/2.4
    Oppo K12s (12GB + 512GB) has a main camera aperture of f/1.9 & f/2.4 which is narrower than that of 89.7% of smartphones and equal to that of 0.6% 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

    50 mm²
    Oppo K12s (12GB + 512GB) has a main camera sensor area of 50 mm² which is larger than the main camera sensor area of 65.5% of smartphones and equal to that of 16.5% 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

    1.0 µm
    Oppo K12s (12GB + 512GB) has a main camera pixel size of 1.0 µm which is larger than in 57.7% of smartphones and equal to the size in 20% of smartphones.
    2.0 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: MEDIUM

    Good value: ≥2

    2
    Oppo K12s (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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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 K12s (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

    7,000 mAh
    Oppo K12s (12GB + 512GB) has a battery capacity of 7,000 mAh which is larger than the batteries in 86% of smartphones and equal to those in 4.8% 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 K12s (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 K12s (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 K12s (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 K12s (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

    no
    Oppo K12s (12GB + 512GB) does not include 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 K12s (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 K12s (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

    163.2 mm
    Oppo K12s (12GB + 512GB) has a height of 163.2 mm which is shorter than 55.3% of smartphones and equal to that of 1.2% 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

    76.1 mm
    Oppo K12s (12GB + 512GB) has a width of 76.1 mm which is wider than 53.1% of smartphones and equal to that of 2.8% 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

    8.5 mm
    Oppo K12s (12GB + 512GB) has a thickness of 8.5 mm which is thicker than 60.4% of smartphones and equal to that of 4.3% 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

    208 g
    Oppo K12s (12GB + 512GB) weighs 208 g which is heavier than 69.7% of smartphones and equal to the weight of 1.7% 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

    99,104 cm³
    Oppo K12s (12GB + 512GB) has a device volume of 99,104 cm³ which is larger than 58.7% of smartphones and equal to that of 2% of smartphones.
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    Oppo K12s (12GB + 512GB) vs the average smartphone

    • 40% larger battery capacity
      Oppo K12s (12GB + 512GB) has a larger battery capacity than the average smartphone (7,000 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 K12s (12GB + 512GB) has a larger battery capacity than the average smartphone (7,000 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.7,000 mAh vs 5,000 mAh
    • 2.42x faster charging speed
      Oppo K12s (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 K12s (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
    • Newer DDR memory version
      Oppo K12s (12GB + 512GB) 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: MEDIUM

      Good value: 5

      Oppo K12s (12GB + 512GB) supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.5 vs 4
    • 4 GB more RAM
      Oppo K12s (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 K12s (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
    • Has an always-on display
      Oppo K12s (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 K12s (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 2x more storage
      Oppo K12s (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 K12s (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
    • Higher on-device AI tier
      Oppo K12s (12GB + 512GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.
      AI Eraser, AI Smart Image Matting 2.0, AI Recording Summary, AI Writer, AI Summary
      What it is: This level indicates how advanced the phone's on-device AI processing is, from basic assistance to more autonomous agentic tasks. A higher level usually enables faster, more private features such as live translation, writing help, and smarter photo edits without relying entirely on cloud processing.
      When it matters: When you travel or work in multiple languages and want instant translation, summarization, or writing help even with weak signal, this level determines how capable those on-device AI tools are.

      Importance: MEDIUM

      Oppo K12s (12GB + 512GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.productivity vs fundamental
    • 56.3% larger main camera sensor area
      Oppo K12s (12GB + 512GB) has a larger main camera sensor area than the average smartphone (50 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

      Oppo K12s (12GB + 512GB) has a larger main camera sensor area than the average smartphone (50 mm² vs 32 mm²). The average main camera sensor area is 32 mm².50 mm² vs 32 mm²
    • Newer DDR memory version
      Oppo K12s (12GB + 512GB) supports a newer DDR version than the average smartphone (5 vs 4). The average DDR version is 4.
    • 4 GB more RAM
      Oppo K12s (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 K12s (12GB + 512GB) offers more internal storage than the average smartphone (512 GB vs 256 GB). The average smartphone provides 256 GB of internal storage.
    • 14.3% higher maximum RAM
      Oppo K12s (12GB + 512GB) supports more maximum RAM than the average smartphone (16 GB vs 14 GB). The average smartphone supports 14 GB RAM.
    • 23.7% higher Geekbench 6 multi-core benchmark score
      Oppo K12s (12GB + 512GB) scores better in Geekbench 6 multi-core than the average smartphone (3,133 vs 2,533). The average smartphone scores 2,533 in multi-core.
    • 16.7% lower TDP
      Oppo K12s (12GB + 512GB) has a lower TDP than the average smartphone (7 W vs 6 W). The average TDP for smartphones is 6 W.
    • 8.1% higher Geekbench 6 single-core benchmark score
      Oppo K12s (12GB + 512GB) scores better in Geekbench 6 single-core than the average smartphone (1,018 vs 942). The average smartphone scores 942 in single-core.
    • Higher on-device AI tier
      Oppo K12s (12GB + 512GB) runs on the productivity AI tier, while the average smartphone runs on fundamental, enabling stronger on-device AI features.
    • Allows app offloading
      Oppo K12s (12GB + 512GB) allows app offloading, the average smartphone does not. 47.9% of smartphones support this feature.
    • Newer Android version
      Oppo K12s (12GB + 512GB) features a newer Android version than the average smartphone (Android 15 vs Android 14). The average version is Android 14.
    • 56.3% larger main camera sensor area
      Oppo K12s (12GB + 512GB) has a larger main camera sensor area than the average smartphone (50 mm² vs 32 mm²). The average main camera sensor area is 32 mm².
    • 0.2 µm larger main camera pixel size
      Oppo K12s (12GB + 512GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
    • Has an infrared sensor
      Oppo K12s (12GB + 512GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
    • Has an always-on display
      Oppo K12s (12GB + 512GB) features an always-on display, the average smartphone does not. 49.1% of smartphones offer always-on functionality.
    • 40% larger battery capacity
      Oppo K12s (12GB + 512GB) has a larger battery capacity than the average smartphone (7,000 mAh vs 5,000 mAh). The average smartphone battery is 5,000 mAh.
    • 2.42x faster charging speed
      Oppo K12s (12GB + 512GB) supports a faster charging speed than the average smartphone (80 W vs 33 W). The average charging speed is 33 W.

    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    • 53.1% lower memory bandwidth
      Oppo K12s (12GB + 512GB) has lower memory bandwidth than the average smartphone (12 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
    • Worse processor
      Oppo K12s (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6 Gen 4 vs Qualcomm Snapdragon 7 Gen 3).
    • 15.8% slower GPU clock
      Oppo K12s (12GB + 512GB) has a lower GPU frequency than the average smartphone (800 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
    • 4.2% lower CPU boost clock speed
      Oppo K12s (12GB + 512GB) has a lower CPU boost clock speed than the average smartphone (2.3 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 3.3% lower PCMark Work 3.0 Performance benchmark
      Oppo K12s (12GB + 512GB) performs worse in PCMark Work 3.0 than the average smartphone (10,428 vs 10,783). The average smartphone scores 10,783 in PCMark Work 3.0.
    • Lacks focus mode
      Oppo K12s (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 K12s (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 K12s (12GB + 512GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Narrower main camera aperture
      Oppo K12s (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & 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
      Oppo K12s (12GB + 512GB) has a narrower front camera aperture than the average smartphone (f/2.5 vs f/2.2). The average smartphone front aperture is f/2.2.
    • Lower-resolution main camera
      Oppo K12s (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.
    • No memory card slot
      Oppo K12s (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • Worse display glass type
      Oppo K12s (12GB + 512GB) uses a worse display glass type than the average smartphone (Corning Gorilla Glass vs Corning Gorilla Glass 5). 0.00% of smartphones use the better glass type.
    • 50% lower touch sampling rate
      Oppo K12s (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.
    • No aptX support
      Oppo K12s (12GB + 512GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 6% heavier
      Oppo K12s (12GB + 512GB) is heavier than the average smartphone (208 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • Lower IP rating
      Oppo K12s (12GB + 512GB) has a lower IP rating than the average smartphone (IP65 vs IP67). 0.00% of smartphones have a higher IP rating.
    • 0.2 mm thicker
      Oppo K12s (12GB + 512GB) is thicker than the average smartphone (8.5 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • Narrower main camera aperture
      Oppo K12s (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & 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 K12s (12GB + 512GB) has a narrower main camera aperture than the average smartphone (f/1.9 & 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/1.9 & f/2.4 vs f/1.8 & f/2.2 & f/2.4 & f/2.4
    • No memory card slot
      Oppo K12s (12GB + 512GB) 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

      Oppo K12s (12GB + 512GB) does not have a memory card slot, the average smartphone does. 53.5% of smartphones feature expandable storage.
    • Lacks focus mode
      Oppo K12s (12GB + 512GB) does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
      What it is: A feature that helps users reduce distractions by filtering notifications, limiting app access, or customizing the interface during specific activities or time periods.
      When it matters: When you need to silence distractions to concentrate on work or rest.

      Importance: LOW

      Oppo K12s (12GB + 512GB) does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
    • 53.1% lower memory bandwidth
      Oppo K12s (12GB + 512GB) has lower memory bandwidth than the average smartphone (12 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
      What it is: The maximum rate at which data can be transferred between the RAM and processor. Higher bandwidth improves performance in memory-intensive tasks.
      When it matters: When you run graphics-intensive games or record high-resolution video that moves lots of data.

      Importance: MEDIUM

      Good value: > 50 GB/s

      Oppo K12s (12GB + 512GB) has lower memory bandwidth than the average smartphone (12 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.12 GB/s vs 25.6 GB/s
    • No aptX support
      Oppo K12s (12GB + 512GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
      What it is: A widely used Bluetooth codec that offers better audio quality and lower latency than the standard SBC codec.
      When it matters: When you want better sound quality than standard Bluetooth audio allows.

      Importance: LOW

      Oppo K12s (12GB + 512GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • Lacks instant markup
      Oppo K12s (12GB + 512GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
      What it is: A tool that allows users to quickly annotate screenshots, images, or documents with text, shapes, arrows, and drawings.
      When it matters: When you need to quickly draw on or sign a screenshot before sharing it.

      Importance: LOW

      Oppo K12s (12GB + 512GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
    • Worse processor
      Oppo K12s (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6 Gen 4 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 K12s (12GB + 512GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6 Gen 4 vs Qualcomm Snapdragon 7 Gen 3).Qualcomm Snapdragon 6 Gen 4 vs Qualcomm Snapdragon 7 Gen 3
    • No Wi-Fi password sharing
      Oppo K12s (12GB + 512GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
      What it is: The capability to securely share Wi-Fi network credentials with nearby devices or contacts without revealing the actual password.
      When it matters: When you want to let friends join your network without typing out complex passwords.

      Importance: LOW

      Oppo K12s (12GB + 512GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Audio
    Design

    Graphic comparison of Oppo K12s (12GB + 512GB) and other smartphones

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    Third-party reviews

    What customers like about Oppo K12s (12GB + 512GB)?

    • Exceptional 7,000 mAh battery life that can last up to a day and a half on a single charge
    • Blazing-fast 80W SuperVOOC charging, capable of a full charge in under 50 minutes
    • Vibrant 6.67-inch AMOLED display with a smooth 120Hz refresh rate
    • Decent daylight photography from the 50MP primary camera
    • Solid mid-range performance powered by the Snapdragon 6 Gen 4 chipset
    • Durable build with an IP65 rating for dust and water resistance

    What customers dislike about Oppo K12s (12GB + 512GB)?

    • Lack of a 3.5mm headphone jack
    • No support for expandable storage
    • Chinese-specific software bloatware and AI assistants (Breeno) that default to Chinese language
    • Camera system lacks optical image stabilization (OIS) and ultra-wide/telephoto lenses
    • Heavier feel (208g) due to the massive battery capacity

    Video reviews

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