Oppo A15 vs Asus ROG Phone 5 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A15
Oppo A15
Oppo

General

Launch Date October 27, 2020 April 26, 2021
Release Year 2020 2021

Physical

Volume 97.69 cm³ 137.58 cm³
Screen Size to Weight Ratio 3.73 "/g 2.85 "/g
Weight 175 g 238 g
Height 164 mm 172.8 mm
Width 75.4 mm 77.3 mm
Thickness 7.9 mm 10.3 mm
Foldable Design No No
Available Colors
  • Dynamic Black
  • Mystery Blue
  • Phantom Black
  • Storm White

Display

Screen Size 6.52 " 6.78 "
Resolution 720 x 1600 1080 x 2448
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 83 % 82 %
Pixel Density 269 PPI 395 PPI
Refresh Rate N/A 144 Hz
Typical Brightness 480 nits 800 nits
HBM Brightness N/A N/A
Peak Brightness N/A 1200 nits

Hardware

Battery Capacity per Screen Area 99.51 mAh/in² 130.52 mAh/in²
Battery Density 43.3 mAh/cm³ 43.61 mAh/cm³
Battery Capacity 4230 mAh 6000 mAh
NFC Support No Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU PowerVR GE8320 Adreno 660

Connectivity

USB Version 2.0 3.1
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features microUSB 2.0, OTG USB Type-C 3.1, OTG, Accessory Connector

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 12

Comparison Summary

1. Specifications Comparison

Design

FeatureOppo A15Asus ROG Phone 5Practical Impact
Physical Size164 × 75.4 × 7.9 mm172.8 × 77.3 × 10.3 mmROG Phone 5 is larger and bulkier, potentially less comfortable for one-handed use.
Weight175g238gOppo A15 is significantly lighter, making it easier to carry and use for extended periods.
BuildStandardStandardBoth are standard smartphones, meaning no foldable capabilities.
Screen ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 6Asus ROG Phone 5 offers better scratch and drop resistance for enhanced durability.

Display

FeatureOppo A15Asus ROG Phone 5Practical Impact
Size6.52"6.78"ROG Phone 5 offers a slightly larger viewing area for a more immersive experience.
Resolution720x16001080x2448ROG Phone 5 provides a much sharper and more detailed image, improving clarity for text and visuals.
PPI269395Higher PPI on ROG Phone 5 results in crisper text and images, reducing pixelation.
TechnologyIPS LCDAMOLEDROG Phone 5 has better contrast, deeper blacks, and more vibrant colors, improving overall picture quality.
Refresh Rate60Hz144HzROG Phone 5 offers significantly smoother scrolling, animations, and gaming experiences.
Brightness0 nits0 nitsBoth phones have identical peak brightness at 0 nits

Performance

FeatureOppo A15Asus ROG Phone 5Practical Impact
ChipsetMediatek MT6765 Helio P35 (12 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)ROG Phone 5 offers significantly faster processing speeds, smoother multitasking, and better gaming performance.
AnTuTu Score113,000883,000ROG Phone 5 provides a vastly superior user experience with quicker app loading and snappier response times.
GPUPowerVR GE8320Adreno 660ROG Phone 5 delivers much better graphics performance, essential for demanding games and graphically intensive applications.
RAM2 GB or 3 GB or 4 GB8 GB or 12 GB or 16 GB or 18 GBAsus ROG Phone 5 has more RAM (18GB), excellent for heavy multitasking and demanding games

Camera

FeatureOppo A15Asus ROG Phone 5Practical Impact
Main Camera13MP, f/2.264MP, f/1.8, Sony IMX686ROG Phone 5 captures much more detailed and higher-quality photos, especially in low light.
Selfie Camera5MP, f/2.424MP, f/2.45, Samsung S5K2X7ROG Phone 5 takes significantly sharper and more detailed selfies.
Wide Angle LensN/A13MP, f/2.5ROG Phone 5 can capture wider scenes, useful for landscapes and group photos.
Macro Lens2MP, f/2.45MP, f/2.0ROG Phone 5 captures closer and more detailed macro shots
Portrait Mode (Depth)2MP, f/2.4N/AOppo A15 captures depth information for portrait mode, allowing for background blur.
Video Recording1080p@30fps8K@30fps, 4K@120fpsROG Phone 5 offers vastly superior video recording capabilities, including higher resolutions and frame rates.
Camera FeaturesBasicAdvanced (Optical Zoom, Manual Focus, Continuous Shooting)ROG Phone 5 provides more flexibility and control for advanced photography and videography.

Battery

FeatureOppo A15Asus ROG Phone 5Practical Impact
Capacity4230mAh6000mAhROG Phone 5 offers significantly longer battery life, reducing the need for frequent charging.
Charging10W Fast Charging65W Fast ChargingROG Phone 5 charges much faster, minimizing downtime.
FeaturesNon-removableBypass Charging, Reverse Charging, Non-removableROG Phone 5 allows direct power to the system without charging the battery during gaming and can act as a power bank to charge other devices.

2. Key Differences Analysis

Oppo A15 Advantages:

  • Lighter Weight: More comfortable for extended use and portability.
  • More affordable: Budget-friendly option.

Asus ROG Phone 5 Advantages:

  • Superior Performance: Snapdragon 888 chipset offers significantly faster processing and gaming capabilities.
  • High Refresh Rate Display: 144Hz AMOLED screen provides a smoother and more responsive visual experience.
  • Excellent Camera System: High-resolution sensors and advanced features allow for better photo and video quality.
  • Larger Battery Capacity: 6000mAh battery provides longer battery life.
  • Fast Charging: 65W charging significantly reduces charging time.
  • Advanced Audio: DTS/DTS:X, Hi-Res audio, and stereo speakers offer an immersive audio experience.
  • Reverse Charging: Can charge other devices.
  • Bypass Charging: Direct power to the system without charging the battery during gaming.

Trade-offs:

  • Oppo A15: Sacrifices performance, display quality, and camera capabilities for a lower price and lighter weight.
  • Asus ROG Phone 5: Higher price and heavier build compared to the Oppo A15.

3. User Profiles & Recommendations

Oppo A15:

  • Ideal User: Budget-conscious users who need a basic smartphone for everyday tasks like calling, texting, and social media.
  • Use Cases:
    • First smartphone for teenagers or seniors.
    • Secondary phone for travel or emergencies.
    • Users who prioritize portability and weight over performance.

Asus ROG Phone 5:

  • Ideal User: Mobile gamers, power users, and photography enthusiasts who demand top-tier performance and features.
  • Use Cases:
    • High-end mobile gaming with demanding titles.
    • Video recording at high resolutions (4K/8K).
    • Demanding multitasking and app usage.
    • Users who value a premium multimedia experience.

4. Decision Framework

Here are three key questions for buyers to consider:

  1. What is your budget? The Oppo A15 is a budget-friendly option, while the Asus ROG Phone 5 is a premium device.
  2. What are your primary use cases? If gaming and performance are critical, the ROG Phone 5 is the clear choice. If basic functionality is sufficient, the Oppo A15 might suffice.
  3. How important are camera quality and display? The ROG Phone 5 offers a vastly superior camera system and display quality compared to the Oppo A15.

Scenario-Based Recommendations:

  • Scenario 1: Casual User with Limited Budget: Choose the Oppo A15.
  • Scenario 2: Mobile Gamer or Power User: Choose the Asus ROG Phone 5.
  • Scenario 3: User Who Values Camera and Display Quality: Choose the Asus ROG Phone 5.

My Choice

I would choose the Asus ROG Phone 5. While the Oppo A15 is more budget-friendly, the ROG Phone 5 offers a superior user experience in almost every aspect. The powerful processor, high refresh rate display, excellent camera system, and large battery make it a more versatile and future-proof device. Although it's heavier and more expensive, the benefits outweigh the drawbacks for my personal needs, which include gaming, photography, and demanding app usage. The improved durability with Gorilla Glass 6 is also a significant advantage.

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
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Bridging technical complexity with engaging, accessible narratives.