Oppo A15 vs Realme 9 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A15
Oppo A15
Oppo
Realme 9
Realme 9
Realme

General

Launch Date October 27, 2020 April 12, 2022
Release Year 2020 2022

Physical

Volume 97.69 cm³ 93.94 cm³
Screen Size to Weight Ratio 3.73 "/g 3.6 "/g
Weight 175 g 178 g
Height 164 mm 160.2 mm
Width 75.4 mm 73.3 mm
Thickness 7.9 mm 8 mm
Foldable Design No No
Available Colors
  • Dynamic Black
  • Mystery Blue
  • Meteor Black
  • Sunburst Gold
  • Stargaze White

Display

Screen Size 6.52 " 6.4 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 83 % 84.2 %
Pixel Density 269 PPI 411 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 480 nits 430 nits
HBM Brightness N/A N/A
Peak Brightness N/A 1000 nits

Hardware

Battery Capacity per Screen Area 99.51 mAh/in² 122.07 mAh/in²
Battery Density 43.3 mAh/cm³ 53.22 mAh/cm³
Battery Capacity 4230 mAh 5000 mAh
NFC Support No No
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU PowerVR GE8320 Adreno 610

Connectivity

USB Version 2.0 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features microUSB 2.0, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version

Comparison Summary

1. Specifications Comparison

FeatureOppo A15Realme 9Practical Impact
Design
Dimensions164 × 75.4 × 7.9 mm, 175g160.2 × 73.3 × 8 mm, 178gRealme 9 is slightly smaller and only marginally heavier, making it slightly more pocketable.
Build QualityGorilla Glass 3Gorilla Glass 5Realme 9's screen is more resistant to scratches and drops.
Display
Size6.52"6.4"Oppo A15 has a slightly larger viewing area.
Resolution720x16001080x2400Realme 9 has a significantly sharper and more detailed display, better for viewing photos, videos, and reading text.
PPI269411Realme 9's higher pixel density results in clearer visuals, reducing pixelation.
TechnologyIPS LCDAMOLEDRealme 9's AMOLED display offers deeper blacks, more vibrant colors, and better energy efficiency, especially with dark mode enabled.
Refresh Rate60Hz90HzRealme 9's smoother scrolling and animations are noticeable, enhancing the overall user experience.
Brightness0 nits1000 nitsRealme 9 is much more usable in direct sunlight.
Performance
ChipsetHelio P35 (12 nm)Snapdragon 680 (6 nm)Realme 9 offers significantly better performance for apps, games, and multitasking due to its more powerful and efficient processor.
AnTuTu Score113,000216,850Realme 9 handles demanding tasks more smoothly and is better suited for gaming.
GPUPowerVR GE8320Adreno 610Realme 9 provides better graphics performance for gaming and video playback.
RAM2/3/4 GB6/8 GBRealme 9 can run more apps in the background without slowdowns, and provides a smoother overall experience.
Camera
Main Camera13MP f/2.2108MP f/1.75Realme 9 captures significantly more detailed photos, especially in good lighting. Its wider aperture allows for better low-light performance.
Wide Angle LensNone8MP f/2.2Realme 9 can capture wider scenes in a single shot, ideal for landscapes and group photos.
Selfie Camera5MP f/2.416MP f/2.45Realme 9 takes higher-resolution and more detailed selfies.
Video1080p@30fps1080p@30fpsBoth are similar for basic video recording.
Slow MotionNoYes, 120fpsRealme 9 can record slow-motion videos for more creative shots.
Battery
Capacity4230mAh5000mAhRealme 9 offers longer battery life, reducing the need for frequent charging.
Charging10W33WRealme 9 charges much faster, minimizing downtime.
Reverse ChargingNoYesRealme 9 can be used as a power bank to charge other devices.
Software
OSAndroid 10Android 12Realme 9 has a more modern operating system with the latest features, security updates, and improved user interface.
Connectivity
Wi-Fi802.11a/b/g/n802.11a/b/g/n/acRealme 9 supports faster Wi-Fi speeds with 802.11ac.
Bluetooth5.05.1Realme 9 offers improved Bluetooth connectivity and efficiency.
Storage
Internal32/128 GB128 GBRealme 9 offers sufficient storage space for most users.
ExpandableNoNoNeither support expandable storage
Audio
QualityBasic audio featuresHi-Res Audio, 2 microphonesRealme 9 offers higher quality audio playback, improved voice capture
Sensors
SensorsCompassGeomagneticOppo A15 additionally features: Compass; Realme 9 additionally features: Geomagnetic

2. Key Differences Analysis

Oppo A15 Advantages:

  • Slightly larger display (6.52" vs 6.4").
  • Has a Compass sensor.

Practical Implications:

  • The slightly larger display is useful for users who prefer a bigger screen for media consumption or accessibility reasons.
  • Compass feature allows users to determine direction.

Realme 9 Advantages:

  • Significantly better display: Higher resolution, AMOLED technology, 90Hz refresh rate, much higher brightness.
  • Much faster performance: Snapdragon 680 chipset.
  • Superior camera system: 108MP main camera, wide-angle lens, better selfie camera.
  • Larger battery and faster charging: 5000mAh with 33W charging.
  • Newer Android version: Android 12.
  • Reverse charging.
  • Hi-Res Audio

Practical Implications:

  • The superior display provides a much more enjoyable viewing experience with vibrant colors, sharper details, and smoother motion.
  • The faster processor makes the phone more responsive, able to handle demanding apps and games, and ensures a longer lifespan before becoming obsolete.
  • The better camera system captures higher-quality photos and videos in various lighting conditions.
  • The larger battery and faster charging ensure all-day battery life and quick top-ups.
  • The newer Android version provides access to the latest features, security updates, and improved performance.
  • Hi-Res audio offers higher quality sound.

Trade-offs:

  • The Realme 9 is slightly smaller, which might be a drawback for users who prefer larger phones, but it is still very pocketable.

3. User Profiles & Recommendations

Oppo A15:

  • Ideal User: Budget-conscious users who prioritize basic smartphone functionality over advanced features.
  • Use Cases:
    • Making calls and sending texts.
    • Basic social media browsing.
    • Simple photo taking in good lighting conditions.
  • Price-to-Value: Only suitable if available at a significantly lower price than the Realme 9, given the substantial performance and feature differences.

Realme 9:

  • Ideal User: Users who want a well-rounded smartphone with a good display, capable performance, and a versatile camera system without breaking the bank.
  • Use Cases:
    • Everyday multitasking and app usage.
    • Mobile gaming.
    • Photography and videography in various settings.
    • Media consumption (watching videos, browsing photos).
  • Price-to-Value: Excellent value for money due to its superior features and performance compared to the Oppo A15.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? If the Oppo A15 is significantly cheaper, is the performance trade-off acceptable for your usage?
  2. How important is display quality? Do you value vibrant colors, sharpness, and brightness for media consumption?
  3. What are your performance needs? Do you need a phone that can handle demanding apps and games, or is basic functionality sufficient?

Scenario-Based Recommendations:

  • Scenario 1: Tight Budget, Basic Needs: If your budget is extremely limited and you only need a phone for basic communication, the Oppo A15 might suffice if the price difference is substantial.
  • Scenario 2: Balanced Performance and Price: If you want a good all-around smartphone with a great display, decent performance, and a good camera without spending a lot of money, the Realme 9 is the clear choice.
  • Scenario 3: Photography Enthusiast on a Budget: If you prioritize camera quality, the Realme 9's 108MP camera and wide-angle lens offer far more versatility and better image quality than the Oppo A15.

My Choice

I would choose the Realme 9.

Reasoning:

The Realme 9 offers a significantly better user experience across the board. The superior display (AMOLED, 90Hz, higher resolution, brightness), the faster processor, the much better camera system, and the larger battery with faster charging make it a much more capable and enjoyable device to use on a daily basis. While the Oppo A15 might be cheaper, the Realme 9 offers a much better price-to-performance ratio and will likely provide a longer lifespan before needing an upgrade. The differences in display and performance are particularly significant, making the Realme 9 the clear winner for anyone who uses their phone for more than just basic tasks.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

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Bridging technical complexity with engaging, accessible narratives.