Oppo A15 vs Samsung Galaxy A55 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A15
Oppo A15
Oppo

General

Launch Date October 27, 2020 March 15, 2024
Release Year 2020 2024

Physical

Volume 97.69 cm³ 102.25 cm³
Screen Size to Weight Ratio 3.73 "/g 3.1 "/g
Weight 175 g 213 g
Height 164 mm 161.1 mm
Width 75.4 mm 77.4 mm
Thickness 7.9 mm 8.2 mm
Foldable Design No No
Available Colors
  • Dynamic Black
  • Mystery Blue
  • Navy
  • Iceblue
  • Lilac
  • Lemon

Display

Screen Size 6.52 " 6.6 "
Resolution 720 x 1600 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 83 % 85.8 %
Pixel Density 269 PPI 390 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 480 nits N/A
HBM Brightness N/A 1000 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 99.51 mAh/in² 114.78 mAh/in²
Battery Density 43.3 mAh/cm³ 48.9 mAh/cm³
Battery Capacity 4230 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Exynos 1480 (4 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU PowerVR GE8320 Xclipse 530

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 14
Maximum OS Version 18

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Oppo A15 and Samsung Galaxy A55, focusing on practical implications:

Design

FeatureOppo A15Samsung Galaxy A55Practical Impact
Dimensions164 x 75.4 x 7.9 mm161.1 x 77.4 x 8.2 mmOppo A15 is slightly taller and thinner, while the Galaxy A55 is wider and thicker. A15 might feel slightly easier to hold for smaller hands, A55 offers a potentially sturdier build.
Weight175g213gOppo A15 is significantly lighter, making it more comfortable for prolonged use, especially one-handed.
Build Quality (Screen Protection)Corning Gorilla Glass 3Corning Gorilla Glass VictusGalaxy A55 provides significantly better scratch and drop resistance, leading to increased device longevity and reduced repair costs.

Display

FeatureOppo A15Samsung Galaxy A55Practical Impact
Size6.52"6.6"Virtually the same screen size.
Resolution720x16001080x2340Galaxy A55 has a much sharper and clearer display, making text, images, and videos look significantly better. This is especially noticeable when viewing detailed content or playing games.
Pixel Density (PPI)269390Higher PPI on the Galaxy A55 translates to finer details and less pixelation, improving overall visual experience.
TechnologyIPS LCDAMOLEDGalaxy A55 offers deeper blacks, higher contrast, more vibrant colors, and better power efficiency (especially with dark mode enabled).
Refresh Rate60Hz120HzGalaxy A55 provides smoother scrolling, animations, and gaming experience. The 120Hz refresh rate makes the phone feel more responsive.
Brightness0 nits0 nitsThe provided data is incorrect as both phones can't have 0 nits of brightness.

Performance

FeatureOppo A15Samsung Galaxy A55Practical Impact
ChipsetMediatek MT6765 Helio P35 (12 nm)Exynos 1480 (4 nm)Galaxy A55's chipset is significantly faster and more efficient. Apps launch quicker, multitasking is smoother, and demanding games run better. The 4nm process also improves battery efficiency.
AnTuTu Score113,000713,393The massive difference in AnTuTu scores indicates a vastly superior performance on the Galaxy A55.
GPUPowerVR GE8320Xclipse 530Galaxy A55's GPU offers substantially better graphics performance, leading to a smoother and more enjoyable gaming experience.
RAM2 GB / 3 GB / 4 GB8 GB / 12 GBThe Galaxy A55's higher RAM capacity allows for smoother multitasking, keeping more apps open in the background without slowing down the phone.

Camera

FeatureOppo A15Samsung Galaxy A55Practical Impact
Main Camera13MP, f/2.250MP, f/1.8Galaxy A55 captures significantly more detailed photos, especially in good lighting. The wider aperture (f/1.8) allows for better low-light performance.
Selfie Camera5MP, f/2.432MP, f/2.2Galaxy A55 takes much sharper and clearer selfies.
Wide Angle LensNo13MP, f/2.2Galaxy A55 offers a wider field of view, allowing you to capture more of the scene in your photos.
Video Recording1080p@30fps4K@30fps, 1080p@60fps with EISGalaxy A55 can record much higher quality videos with better stabilization, resulting in sharper and smoother footage.
Camera FeaturesBasicAdvanced (OIS, 4K Video, Pro Mode, etc.)Galaxy A55 provides more creative control and better image quality thanks to features like Optical Image Stabilization (OIS), Pro Video Mode, and 4K video recording.

Battery

FeatureOppo A15Samsung Galaxy A55Practical Impact
Capacity4230mAh5000mAhGalaxy A55 offers longer battery life, allowing you to go through a full day of moderate to heavy use without needing to recharge.
Charging10W25WGalaxy A55 charges much faster, reducing the time spent plugged into the wall.

Connectivity

FeatureOppo A15Samsung Galaxy A55Practical Impact
WiFiWi-Fi 4Wi-Fi 6Galaxy A55 supports faster and more reliable Wi-Fi connections, especially in crowded networks.
Bluetooth5.05.3Galaxy A55 has better energy efficiency and more advanced audio codecs.
SIMDual Nano SIMDual Nano SIM + eSIMGalaxy A55 offers the flexibility of using an eSIM for easy switching between carriers.

Storage

FeatureOppo A15Samsung Galaxy A55Practical Impact
Internal Storage32 GB / 128 GB128 GB / 256 GBGalaxy A55 offers more storage for apps, photos, videos, and files.
Expandable StorageNoNoNeither phone supports expandable storage.

Audio

FeatureOppo A15Samsung Galaxy A55Practical Impact
Audio QualityBasicDolby Atmos, Hi-Res Audio, Stereo SpeakersGalaxy A55 provides a much more immersive and enjoyable audio experience with louder, clearer sound and spatial audio effects.

2. Key Differences Analysis

Oppo A15 Advantages:

  • Lighter Weight: More comfortable for extended use and one-handed operation.
  • Potentially lower cost: Although not stated in the provided data, Oppo A15 is likely to be significantly cheaper.

Practical Implications:

  • The lighter weight makes it easier to carry and use for long periods.
  • Lower cost can make it an attractive option for budget-conscious buyers.

Samsung Galaxy A55 Advantages:

  • Significantly Better Performance: Faster processor and more RAM ensure a smoother and more responsive user experience, especially with demanding apps and games.
  • Superior Display: Higher resolution, AMOLED technology, and 120Hz refresh rate provide a much better visual experience.
  • Much Better Camera System: Higher resolution sensors, wider aperture, and advanced features like OIS and 4K video recording result in significantly better photo and video quality.
  • Longer Battery Life & Faster Charging: Larger battery and faster charging ensure all-day usage and quick top-ups.
  • Better Build Quality: Corning Gorilla Glass Victus offers superior protection against scratches and drops.
  • Advanced Features: Wi-Fi 6, Bluetooth 5.3, eSIM support, Dolby Atmos, and stereo speakers enhance the overall user experience.

Practical Implications:

  • The Galaxy A55 offers a more enjoyable and productive user experience across all aspects, from browsing and gaming to photography and multimedia consumption.

Significant Trade-offs:

  • The Galaxy A55 is heavier and slightly thicker than the Oppo A15.
  • The Galaxy A55 will likely be more expensive than the Oppo A15.

3. User Profiles & Recommendations

Oppo A15:

  • Ideal User: Budget-conscious users who primarily need a phone for basic tasks like calling, texting, and browsing social media.
  • Use Cases:
    • First smartphone for children or elderly individuals.
    • Backup phone for travel or emergencies.
  • Price-to-Value: Good value for those with very limited budgets and basic needs.

Samsung Galaxy A55:

  • Ideal User: Users who want a well-rounded smartphone with good performance, a great display, a capable camera, and long battery life.
  • Use Cases:
    • Everyday use: Social media, web browsing, email, etc.
    • Photography and videography: Capturing high-quality photos and videos for sharing online.
    • Gaming: Playing demanding mobile games with smooth performance.
    • Multimedia consumption: Watching videos and listening to music with immersive audio.
  • Price-to-Value: Excellent value for users who prioritize performance, display quality, and camera capabilities.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Oppo A15 is likely a more affordable option.
  2. What are your primary use cases? If you need a phone for basic tasks, the Oppo A15 may suffice. If you want to do more demanding tasks like gaming or photography, the Galaxy A55 is a better choice.
  3. How important are display quality and camera performance? The Galaxy A55 offers a significantly better display and camera system.

Scenario-Based Recommendations:

  • Scenario 1: Tight Budget, Basic Needs: Choose the Oppo A15.
  • Scenario 2: Balanced Performance and Features: Choose the Samsung Galaxy A55.
  • Scenario 3: Photography Enthusiast: Choose the Samsung Galaxy A55 due to superior camera capabilities.
  • Scenario 4: Mobile Gamer: Choose the Samsung Galaxy A55 due to superior performance.

My Choice

I would choose the Samsung Galaxy A55.

Why?

While the Oppo A15 might be tempting due to its lower weight, the Galaxy A55 provides a vastly superior overall experience. The improved display, significantly faster performance, better camera system, longer battery life, and advanced features make it a much more versatile and enjoyable device for my typical usage patterns which includes photography, video consumption, and gaming. The price difference is justified by the substantial upgrades across almost every aspect of the phone. The enhanced performance alone makes a significant difference in daily usability.

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.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.