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Oppo A20 4G (4GB + 128GB) Review | 197 Data compared

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  • Avg. price: ~£95
  • RAM capacity: 4 GB
  • Internal storage: 128 GB
  • Screen size: 6.67 inches
  • Main camera megapixels: 8 MP & 0.3 MP

Oppo A20 4G (4GB + 128GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

7.6

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%

7.6

Technical Score

10.0%

?

User score

Very good
7.6

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%

7.3

Performance & Hardware

18.0%

7.8

Camera

15.0%

6.9

Display

15.0%

8.0

Battery

10.0%

9.0

Software

10.0%

7.3

Connectivity

4.0%

8.0

Audio

3.0%

6.7

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~ £95

    Best rankings

    ?

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

    Technical Specifications of smartphone Oppo A20 4G (4GB + 128GB)

    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

    7.6
    Oppo A20 4G (4GB + 128GB) has a technical score of 7.6 points, which is higher than 64.2% 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 A20 4G (4GB + 128GB) 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%

    7.6

    Overall score

    40.0%

    10

    Price

    8.6
    Oppo A20 4G (4GB + 128GB) has a quality-to-price ratio of 8.6 points, which is higher than 96.8% 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 6s 4G Gen1
    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

    4 GB
    Oppo A20 4G (4GB + 128GB) has a RAM capacity of 4 GB which is smaller than the RAM capacity of 82.7% of smartphones and equal to that of 14% 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

    128 GB
    Oppo A20 4G (4GB + 128GB) has an internal storage capacity of 128 GB which is smaller than the storage of 61.2% of smartphones and equal to that of 28.4% 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

    2.1 GHz
    The CPU boost clock speed of Oppo A20 4G (4GB + 128GB) is 2.1 GHz which is lower than the boost speed of 83% of smartphones and equal to that of 0.4% 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
    ColorOS 14 (Android 14)
    Oppo A20 4G (4GB + 128GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    ColorOS 14 (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

    ?
    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

    yes
    Oppo A20 4G (4GB + 128GB) receives 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 A20 4G (4GB + 128GB) 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 A20 4G (4GB + 128GB) offers dark mode. 95.8% of smartphones support this feature.
    Show more
    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 A20 4G (4GB + 128GB) 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

    8 MP & 0.3 MP
    Oppo A20 4G (4GB + 128GB) has a main camera resolution of 8 MP & 0.3 MP MP which is lower than that of 98.7% of smartphones 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

    ?
    e.g., is it the Samsung Galaxy A20 or another regional variant, as "Oppo A20" did not yield direct results but similar Oppo models did
    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

    ?
    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

    ?
    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
    2 SIMs (Nano-SIM)
    Oppo A20 4G (4GB + 128GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    2 SIMs (Nano-SIM)
    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 A20 4G (4GB + 128GB) 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

    no
    Oppo A20 4G (4GB + 128GB) does not support 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

    ?
    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 A20 4G (4GB + 128GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
    Show more
    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 A20 4G (4GB + 128GB) 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

    720 x 1604 px
    Oppo A20 4G (4GB + 128GB) has a screen resolution of 720 x 1604 px which is lower than that of 85.2% of smartphones and equal to that of 2.5% 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

    264 ppi
    Oppo A20 4G (4GB + 128GB) has a pixel density of 264 ppi which is lower than that of 88.1% of smartphones and equal to that of 2.6% 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

    ?
    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

    90 Hz
    Oppo A20 4G (4GB + 128GB) supports a refresh rate of 90 Hz which is lower than in 65.4% of smartphones and equal to that in 18.9% of smartphones.
    Show more
    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

    5100 mAh
    Oppo A20 4G (4GB + 128GB) has a battery capacity of 5100 mAh which is larger than the batteries in 59.5% of smartphones and equal to those in 2% 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

    ?
    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

    ?
    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 A20 4G (4GB + 128GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    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

    ?
    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

    ?
    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

    yes
    Oppo A20 4G (4GB + 128GB) includes 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

    ?
    Show more
    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

    165.77 mm
    Oppo A20 4G (4GB + 128GB) has a height of 165.77 mm which is taller than 73.7% of smartphones and equal to that of 0.2% 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

    76.08 mm
    Oppo A20 4G (4GB + 128GB) has a width of 76.08 mm which is wider than 53% of smartphones and equal to that of 0.1% 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

    7.68 mm
    Oppo A20 4G (4GB + 128GB) has a thickness of 7.68 mm which is thinner than 85.2% of smartphones and equal to that of 0.4% 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

    186 g
    Oppo A20 4G (4GB + 128GB) weighs 186 g which is lighter than 75.6% of smartphones and equal to the weight of 2.5% 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

    87780 cm³
    Oppo A20 4G (4GB + 128GB) has a device volume of 87780 cm³ which is smaller than 72.7% of smartphones and equal to that of 1.5% of smartphones.
    Show more

    Oppo A20 4G (4GB + 128GB) vs the average smartphone

    • Receives direct OS updates
      Oppo A20 4G (4GB + 128GB) supports direct OS updates, the average smartphone does not. 20.5% of smartphones support this feature.
      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

      Oppo A20 4G (4GB + 128GB) supports direct OS updates, the average smartphone does not. 20.5% of smartphones support this feature.
    • Has FM radio
      Oppo A20 4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
      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

      Oppo A20 4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • 2% larger battery capacity
      Oppo A20 4G (4GB + 128GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 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

      Oppo A20 4G (4GB + 128GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.5100 mAh vs 5000 mAh
    • 0.62 mm thinner
      Oppo A20 4G (4GB + 128GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.
      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

      Oppo A20 4G (4GB + 128GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.7.68 mm vs 8.3 mm
    • Allows manual shutter speed
      Oppo A20 4G (4GB + 128GB) allows manual shutter speed control, the average smartphone does not. 29.7% of smartphones include this.
      What it is: Allows the user to control how long the camera shutter remains open, useful for capturing motion or low-light shots.
      When it matters: When you want to freeze fast action or create long-exposure light trails.

      Importance: LOW

      Oppo A20 4G (4GB + 128GB) allows manual shutter speed control, the average smartphone does not. 29.7% of smartphones include this.
    • 10.5% faster GPU clock
      Oppo A20 4G (4GB + 128GB) has a higher GPU frequency than the average smartphone (1050 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
      What it is: The operating speed of the graphics processing unit, which affects rendering and gaming.
      When it matters: When you want smoother frame rates in games and faster rendering in graphics apps.

      Importance: MEDIUM

      Good value: >950 MHz

      Oppo A20 4G (4GB + 128GB) has a higher GPU frequency than the average smartphone (1050 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.1050 MHz vs 950 MHz
    • 5.2% lighter
      Oppo A20 4G (4GB + 128GB) is lighter than the average smartphone (186 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 A20 4G (4GB + 128GB) is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.186.0 g vs 196.2 g
    • 2.74x cheaper
      Oppo A20 4G (4GB + 128GB) is cheaper than the average smartphone (£95 vs £260).
      Oppo A20 4G (4GB + 128GB) is cheaper than the average smartphone (£95 vs £260).£95 vs £260
    • 10.5% faster GPU clock
      Oppo A20 4G (4GB + 128GB) has a higher GPU frequency than the average smartphone (1050 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    • Receives direct OS updates
      Oppo A20 4G (4GB + 128GB) supports direct OS updates, the average smartphone does not. 20.5% of smartphones support this feature.
    • Allows manual shutter speed
      Oppo A20 4G (4GB + 128GB) allows manual shutter speed control, the average smartphone does not. 29.7% of smartphones include this.
    • 2% larger battery capacity
      Oppo A20 4G (4GB + 128GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    • Has FM radio
      Oppo A20 4G (4GB + 128GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • 0.62 mm thinner
      Oppo A20 4G (4GB + 128GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.
    • 5.2% lighter
      Oppo A20 4G (4GB + 128GB) is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.

    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Battery
    Audio
    Design
    • Worse processor
      Oppo A20 4G (4GB + 128GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6s 4G Gen1 vs Qualcomm Snapdragon 6s Gen 3 ).
    • 50% less storage
      Oppo A20 4G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
    • 4 GB less RAM
      Oppo A20 4G (4GB + 128GB) has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 22.4% slower memory speed
      Oppo A20 4G (4GB + 128GB) has a lower memory speed than the average smartphone (2133 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    • 16.7% higher TDP (less efficient)
      Oppo A20 4G (4GB + 128GB) has a higher TDP than the average smartphone (5 W vs 6 W). The average smartphone has a TDP of 6 W.
    • 12.5% lower CPU boost clock speed
      Oppo A20 4G (4GB + 128GB) has a lower CPU boost clock speed than the average smartphone (2.1 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • Lower-resolution main camera
      Oppo A20 4G (4GB + 128GB) has a lower-resolution main camera than the average smartphone (8 MP & 0.3 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
    • Lower front camera megapixels
      Oppo A20 4G (4GB + 128GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
    • Worse main camera video quality
      Oppo A20 4G (4GB + 128GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • No 5G connectivity
      Oppo A20 4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • Older Bluetooth version
      Oppo A20 4G (4GB + 128GB) uses an older Bluetooth version than the average smartphone (5.0 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • 25% lower refresh rate
      Oppo A20 4G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 33.2% lower pixel density
      Oppo A20 4G (4GB + 128GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • Lower screen resolution
      Oppo A20 4G (4GB + 128GB) has a lower screen resolution than the average smartphone (720x 1604 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
    • 25% lower touch sampling rate
      Oppo A20 4G (4GB + 128GB) has a lower touch sampling rate than the average smartphone (180 Hz vs 240 Hz). The average smartphone has a sampling rate of 240 Hz.
    • Lower IP rating
      Oppo A20 4G (4GB + 128GB) has a lower IP rating than the average smartphone (IP54 vs IP67 ). 0.00% of smartphones have a higher IP rating.
    • 1.5 m shallower water resistance
      Oppo A20 4G (4GB + 128GB) has a shallower water resistance depth than the average smartphone (0 m vs 1.5 m). The average smartphone is resistant to 1.5 m.
    • 2.17 mm taller
      Oppo A20 4G (4GB + 128GB) is taller than the average smartphone (165.8 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    • No 5G connectivity
      Oppo A20 4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
      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

      Oppo A20 4G (4GB + 128GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • Worse processor
      Oppo A20 4G (4GB + 128GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6s 4G Gen1 vs Qualcomm Snapdragon 6s 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 A20 4G (4GB + 128GB) uses a worse processor than the average smartphone (Qualcomm Snapdragon 6s 4G Gen1 vs Qualcomm Snapdragon 6s Gen 3 ).Qualcomm Snapdragon 6s 4G Gen1 vs Qualcomm Snapdragon 6s Gen 3
    • Lower-resolution main camera
      Oppo A20 4G (4GB + 128GB) has a lower-resolution main camera than the average smartphone (8 MP & 0.3 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
      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

      Oppo A20 4G (4GB + 128GB) has a lower-resolution main camera than the average smartphone (8 MP & 0.3 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.8.0 MP & 0.3 MP vs 50.0 MP & 8.0 MP
    • 50% less storage
      Oppo A20 4G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 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 A20 4G (4GB + 128GB) offers less internal storage than the average smartphone (128 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.128 GB vs 256 GB
    • Lower front camera megapixels
      Oppo A20 4G (4GB + 128GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
      What it is: The resolution of the front-facing camera, measured in megapixels, determining the detail level of selfies.
      When it matters: When you want detailed selfies or high-quality video for calls and streaming.

      Importance: HIGH

      Good value: >16 MP

      Oppo A20 4G (4GB + 128GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.5 MP vs 16 MP
    • 33.2% lower pixel density
      Oppo A20 4G (4GB + 128GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
      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

      Oppo A20 4G (4GB + 128GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.264 ppi vs 395 ppi
    • 25% lower refresh rate
      Oppo A20 4G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      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

      Oppo A20 4G (4GB + 128GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.90 Hz vs 120 Hz
    • Lower IP rating
      Oppo A20 4G (4GB + 128GB) 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 A20 4G (4GB + 128GB) has a lower IP rating than the average smartphone (IP54 vs IP67 ). 0.00% of smartphones have a higher IP rating.IP54 vs IP67
    Total
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    Connectivity
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    Graphic comparison of Oppo A20 4G (4GB + 128GB) and other smartphones

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    Third-party reviews

    What customers like about Oppo A20 4G (4GB + 128GB)?

    • Good quality for the price point.
    • Long-lasting battery life (5100 mAh).
    • Supports fast charging.
    • Has a 90Hz refresh rate display.
    • Features stereo speakers.
    • Good internal storage (128GB) and RAM (4GB) for its class.
    • Supports NFC.
    • Includes a 3.5mm audio jack.
    • Good ingress protection (IP54 rating for dust and splash resistance).

    What customers dislike about Oppo A20 4G (4GB + 128GB)?

    • Users report general glitches and performance issues.
    • Poor overall user experience according to some reviewers.
    • Camera quality is considered bad by some users, with blur and pixelation issues reported in general for some Oppo models.
    • Lower pixel density (264 ppi) and resolution (720 x 1604 px) compared to some alternatives.
    • Customer service experiences are widely reported as poor, with issues like lack of response and difficulties with returns/repairs.
    • Some customers experienced issues with the purchasing/cancellation process.
    • Concerns about limited software updates compared to other brands like Google Pixel.

    Expert reviews

    O
    oppo.com
    ?
    09/03/2026
    OPPO A20: Military-Grade Durability and Ultra-Fast Charging

    The OPPO A20 is a durable, entry-level smartphone designed for the Latin American market, featuring military-grade MIL-STD 810H, SGS certification for drop resistance, and an IP54 rating against dust and splashes. The device includes a 6.67-inch 90Hz LCD screen reaching 1000 nits brightness and is powered by a Snapdragon 6s 4G Gen1 processor with 4GB RAM and 128GB storage. While...Read more

    (Translated)Show original
    O
    oppo.com
    ?
    03/02/2026
    OPPO Colombia: Summary of MIL-STD 810H Military Durability and IP54 Resistance Testing

    The OPPO A20 (CPH2641) is an entry-level smartphone designed for high durability, featuring MIL-STD 810H military-grade impact testing and IP54 dust and water resistance. The device boasts a 6.67-inch LCD screen with a 90Hz refresh rate and 1,000 nits peak brightness, powered by a Qualcomm Snapdragon 6s 4G Gen1 processor with 4GB RAM and 128GB expandable storage. Key advantages...Read more

    (Translated)Show original
    O
    oppo.com
    ?
    09/03/2026
    OPPO A20: Military-Grade Durability and Ultra-Fast Charging

    The OPPO A20 is a durable, entry-level smartphone designed for the Latin American market, featuring military-grade MIL-STD 810H, SGS certification for drop resistance, and an IP54 rating against dust and splashes. The device includes a 6.67-inch 90Hz LCD screen reaching 1000 nits brightness and is powered by a Snapdragon 6s 4G Gen1 processor with 4GB RAM and 128GB storage. While...Read more

    (Translated)Show original
    O
    oppo.com
    ?
    03/02/2026
    OPPO Colombia: Summary of MIL-STD 810H Military Durability and IP54 Resistance Testing

    The OPPO A20 (CPH2641) is an entry-level smartphone designed for high durability, featuring MIL-STD 810H military-grade impact testing and IP54 dust and water resistance. The device boasts a 6.67-inch LCD screen with a 90Hz refresh rate and 1,000 nits peak brightness, powered by a Qualcomm Snapdragon 6s 4G Gen1 processor with 4GB RAM and 128GB expandable storage. Key advantages...Read more

    (Translated)Show original

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