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

Avg. price:~£95RAM capacity:4 GBInternal storage:128 GBScreen size:6.67 inchesMain camera megapixels:8 MP & 0.3 MP

Oppo A20 4G (4GB + 128GB) Review: Compare 197 technical specifications and user reviews to see how this product ranks in the Smartphones category and whether it is worth buying.

6.6/10

Overall score

Score
6.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 52% of models
Score components

90%

6.6

Technical score

10%

?

User score

â–¼Worse than 52% of smartphones
7.6

Value for money

Value for money
7.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 66% of models
Score components

70%

6.6

Overall score

30%

10

Price

â–²Better than 66%
6.6

Technical score

Technical score
6.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 51% of models
Score components

25%

5.9

Performance & Hardware

18%

7.3

Camera

15%

6.0

Display

15%

6.6

Battery

10%

8.7

Software

10%

6.8

Connectivity

4%

5.5

Audio

3%

6.3

Design

â–²Better than 51%
?

User score

User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 70% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

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

Technical score
Technical score
6.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 51% of models
Score components:

25%

5.9

Performance & Hardware

18%

7.3

Camera

15%

6.0

Display

15%

6.6

Battery

10%

8.7

Software

10%

6.8

Connectivity

4%

5.5

Audio

3%

6.3

Design

6.6
User score
User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 70% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 99% of models
Popularity:
Oppo A20 4G (4GB + 128GB) has a popularity of 1 point, which is lower than 63.9% of smartphones.
1.0
Value for money
Value for money
7.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 66% of models
Score components:

70%

6.6

Overall score

30%

10

Price

7.6
Brand name
Oppo
Processor model
Qualcomm Snapdragon 6s 4G Gen 1
This smartphone uses the Qualcomm Snapdragon 6s 4G Gen 1 processor model which is slower than processors in 94.5% of smartphones and equal to processors in 0.2% of smartphones.
RAM capacity
4 GB
Market range: <4 GB – >16 GB
This smartphone 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
128 GB
Market range: <64 GB – >512 GB
This smartphone 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
2.1 GHz
Market range: <2 GHz – >3.3 GHz
The CPU boost clock speed of this smartphone is 2.1 GHz which is lower than the boost speed of 82.9% of smartphones and equal to that of 0.4% of smartphones.
Show more
Operating system
Android
This smartphone uses the Android operating system, which outperforms that of 1%.
ColorOS 14 (Android 14)
Android version
?
Direct OS updates
yes
This smartphone receives direct OS updates. 20.6% of smartphones receive direct updates.
Open-source OS
yes
This smartphone uses an open-source OS. 94.6% of smartphones use an open-source OS.
Dark mode
yes
This smartphone offers dark mode. 95.8% of smartphones support this feature.
Show more
Multi-lens main camera
yes
This smartphone includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
Main camera megapixels
8 MP & 0.3 MP
Market range: <10 – >100
This smartphone has a main camera resolution of 8 MP & 0.3 MP which is lower than that of 98.7% of smartphones.
Main camera aperture
?
Main camera sensor area
?
Main camera pixel size
?
Show more
Number of SIM slots
2
Market range: <1 – >6
This smartphone 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
yes
This smartphone includes a cellular module. 100% of smartphones include cellular modules.
5G connectivity
no
This smartphone does not support 5G connectivity. 66.9% of smartphones support 5G.
LTE support
?
Wi-Fi connectivity
yes
This smartphone supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
Show more
Screen size
6.67 inches
Market range: <6.3 inches – >6.82 inches
This smartphone 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
720x 1604 px
This smartphone has a screen resolution of 720x1604 px which is lower than that of 85.3% of smartphones and equal to that of 2.5% of smartphones.
Pixel density
264 ppi
Market range: <264 ppi – >460 ppi
This smartphone 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
?
Refresh rate
90 Hz
Market range: <60 Hz – >144 Hz
This smartphone 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.
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Battery capacity
5,100 mAh
Market range: <4k mAh – >7k mAh
This smartphone has a battery capacity of 5,100 mAh which is larger than the batteries in 59.5% of smartphones and equal to those in 2% of smartphones.
Charging speed
?
Fast charging
?
GSMArena full wired charge time
?
Wireless charging
no
This smartphone does not support wireless charging. 25.2% of smartphones support wireless charging.
Show more
Stereo speakers
no
This smartphone does not include stereo speakers. 64.4% of smartphones provide stereo audio.
3.5 mm headphone jack
?
Number of microphones
?
FM radio
yes
This smartphone includes an FM radio. 34.2% of smartphones offer FM radio functionality.
aptX Lossless
?
Show more
Height
165.77 mm
Market range: <156.2 mm – >171.56 mm
This smartphone 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
76.08 mm
Market range: <73.1 mm – >81 mm
This smartphone has a width of 76.08 mm which is wider than 53% of smartphones and equal to that of 0.1% of smartphones.
Thickness
7.68 mm
Market range: <7.53 mm – >10.5 mm
This smartphone 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
186 g
Market range: <175 g – >256 g
This smartphone weighs 186 g which is lighter than 75.6% of smartphones and equal to the weight of 2.5% of smartphones.
Device volume
87,780 cm³
Market range: <80 cm³ – >190 cm³
This smartphone has a device volume of 87,780 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

246810TotalPerformance & HardwareSoftwareCameraConnectivityDisplayBatteryAudioDesign
  • Direct OS updates
    This smartphone supports direct OS updates, the average smartphone does not. 20.6% of smartphones support this feature.
  • Allows manual shutter speed
    This smartphone allows manual shutter speed control, the average smartphone does not. 29.8% of smartphones include this.
  • 10.5% faster GPU clock
    This smartphone has a higher GPU frequency than the average smartphone (1050 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    1,050 MHz vs 950 MHz
  • 2% larger battery capacity
    This smartphone has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    5,100 mAh vs 5,000 mAh
  • Has FM radio
    This smartphone features an FM radio, the average smartphone does not. 34.2% of smartphones include an FM tuner.
  • Supports aptX
    This smartphone supports aptX, the average smartphone does not. 50% of smartphones are aptX compatible.
  • 2.74x cheaper
    Oppo A20 4G (4GB + 128GB) is cheaper than the average smartphone (£95 vs £260).
    £95 vs £260
  • 0.62 mm thinner
    This smartphone 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
  • 2.74x cheaper
    Oppo A20 4G (4GB + 128GB) is cheaper than the average smartphone (£95 vs £260).
    £95 vs £260
  • 4.1% better value for money
    Oppo A20 4G (4GB + 128GB) has better value for money than the average smartphone (7.64 vs 7.3).
    7.64 vs 7.34
  • 10.5% faster GPU clock
    This smartphone has a higher GPU frequency than the average smartphone (1050 MHz vs 950 MHz). The average smartphone GPU frequency is 950 MHz.
    1,050 MHz vs 950 MHz
  • Direct OS updates
    This smartphone supports direct OS updates, the average smartphone does not. 20.6% of smartphones support this feature.
  • Allows manual shutter speed
    This smartphone allows manual shutter speed control, the average smartphone does not. 29.8% of smartphones include this.
  • 2% larger battery capacity
    This smartphone has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    5,100 mAh vs 5,000 mAh
  • Has FM radio
    This smartphone features an FM radio, the average smartphone does not. 34.2% of smartphones include an FM tuner.
  • Supports aptX
    This smartphone supports aptX, the average smartphone does not. 50% of smartphones are aptX compatible.
  • 0.62 mm thinner
    This smartphone 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
  • 5.2% lighter
    This smartphone is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.
    186 g vs 196.2 g
  • 1 year/s newer release date
    This smartphone has a newer release date than the average smartphone (2025 vs 2024). 1.00% of smartphones are released annually.
    2025 vs 2024
  • Worse processor
    This smartphone uses a worse processor than the average smartphone (Qualcomm Snapdragon 6s 4G Gen 1 vs Qualcomm Snapdragon 7 Gen 3).
    Qualcomm Snapdragon 6s 4G Gen 1 vs Qualcomm Snapdragon 7 Gen 3
  • No 5G connectivity
    This smartphone does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
  • Lower-resolution main camera
    This smartphone 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 MP & 0.3 MP vs 50 MP & 8 MP
  • Worse main camera video quality
    This smartphone records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    1080x30 fps vs 2160x30 fps
  • 25% lower refresh rate
    This smartphone 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
  • 50% less storage
    This smartphone 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
  • 4 GB less RAM
    This smartphone has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    4 GB vs 8 GB
  • No stereo speakers
    This smartphone does not have stereo speakers, the average smartphone does. 64.4% of smartphones feature stereo speakers.
  • 5.44x less popular
    Oppo A20 4G (4GB + 128GB) is less popular than the average smartphone (1 vs 5.4).
    1 vs 5.44
  • Worse processor
    This smartphone uses a worse processor than the average smartphone (Qualcomm Snapdragon 6s 4G Gen 1 vs Qualcomm Snapdragon 7 Gen 3).
    Qualcomm Snapdragon 6s 4G Gen 1 vs Qualcomm Snapdragon 7 Gen 3
  • 4 GB less RAM
    This smartphone has less RAM than the average smartphone (4 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    4 GB vs 8 GB
  • 50% less storage
    This smartphone 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
  • 12.5% lower CPU boost clock speed
    This smartphone 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.
    2.1 GHz vs 2.4 GHz
  • 16.7% higher TDP (less efficient)
    This smartphone has a higher TDP than the average smartphone (5 W vs 6 W). The average smartphone has a TDP of 6 W.
    5 W vs 6 W
  • 22.4% slower memory speed
    This smartphone has a lower memory speed than the average smartphone (2133 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    2,133 MHz vs 2,750 MHz
  • Lower CPU base clock speed
    This smartphone has a lower CPU base clock speed than the average smartphone (4x2.1 GHz & 4x2 GHz vs 2x2.2 GHz & 6x2 GHz). The average smartphone has a base clock speed of 2x2.2 GHz & 6x2 GHz.
    4x2.1 GHz & 4x2.0 GHz vs 2x2.2 GHz & 6x2 GHz
  • Lower-resolution main camera
    This smartphone 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 MP & 0.3 MP vs 50 MP & 8 MP
  • Worse main camera video quality
    This smartphone records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    1080x30 fps vs 2160x30 fps
  • Lower front camera megapixels
    This smartphone 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
  • No 5G connectivity
    This smartphone does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
  • Older Bluetooth version
    This smartphone uses an older Bluetooth version than the average smartphone (5 vs 5.2). The average smartphone uses Bluetooth 5.2.
    5.0 vs 5.2
  • 25% lower refresh rate
    This smartphone 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
  • 33.2% lower pixel density
    This smartphone 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
  • Lower screen resolution
    This smartphone has a lower screen resolution than the average smartphone (720x1604 px vs 1080x2400 px). The average smartphone has a resolution of 1080x2400 px.
    720x1604 px vs 1080x2400 px
  • 25% lower touch sampling rate
    This smartphone 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.
    180 Hz vs 240 Hz
  • No stereo speakers
    This smartphone does not have stereo speakers, the average smartphone does. 64.4% of smartphones feature stereo speakers.
  • Lower IP rating
    This smartphone has a lower IP rating than the average smartphone (IP54 vs IP67). 0.00% of smartphones have a higher IP rating.
    IP54 vs IP67
  • 2.17 mm taller
    This smartphone is taller than the average smartphone (165.8 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    165.77 mm vs 163.6 mm

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

O
oppo.com
2024
Summary of the review
OPPO A20: Military-Grade Durability and Ultra-Fast Charging
(Translated)Show original
O
oppo.com
03/02/2026
Summary of the review
OPPO Colombia: Summary of MIL-STD 810H Military Durability and IP54 Resistance Testing
(Translated)Show original

Third-party reviews

What we 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 we don't like 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.

Verdict

The Oppo A20 4G (4GB + 128GB) is an Android 14 smartphone powered by a Qualcomm Snapdragon 6s 4G Gen 1 processor, featuring a large 6.67-inch 90Hz LCD display with HD+ resolution (720 x 1604 px) and a substantial 5100 mAh battery with 45W fast charging support. The phone's main pros include its high-capacity battery and fast charging, ample 4GB RAM and 128GB internal storage (expandable via microSDXC), the inclusion of a 3.5 mm audio jack, IP54 dust and splash resistance, and a decent 90Hz refresh rate display for its class. Key cons are a basic 8MP main rear camera (paired with a 0.3MP auxiliary lens) and 5MP front camera, a relatively low pixel density of 264 ppi, and some user reports of potential software optimization issues for certain games.

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