OnePlus 8 vs Oppo A15 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8
OnePlus 8
Oneplus
Oppo A15
Oppo A15
Oppo

General

Launch Date April 21, 2020 October 27, 2020
Release Year 2020 2020

Physical

Volume 93.43 cm³ 97.69 cm³
Screen Size to Weight Ratio 3.64 "/g 3.73 "/g
Weight 180 g 175 g
Height 160.2 mm 164 mm
Width 72.9 mm 75.4 mm
Thickness 8 mm 7.9 mm
Foldable Design No No
Available Colors
  • Glacial Green
  • Onyx Black
  • Interstellar Glow
  • Polar Silver
  • Dynamic Black
  • Mystery Blue

Display

Screen Size 6.55 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.7 % 83 %
Pixel Density 402 PPI 269 PPI
Refresh Rate 90 Hz N/A
Typical Brightness N/A 480 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 100.23 mAh/in² 99.51 mAh/in²
Battery Density 46.02 mAh/cm³ 43.3 mAh/cm³
Battery Capacity 4300 mAh 4230 mAh
NFC Support Yes No
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Mediatek MT6765 Helio P35 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Adreno 650 PowerVR GE8320

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 10
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 8Oppo A15Practical Impact
Design
Dimensions160.2 x 72.9 x 8 mm, 180g164 x 75.4 x 7.9 mm, 175gThe OnePlus 8 is slightly smaller and denser, while the Oppo A15 is a bit larger and lighter. The weight difference is negligible.
BuildGorilla Glass 5Gorilla Glass 3OnePlus 8 offers better screen scratch resistance.
Display
Size6.55"6.52"Negligible size difference.
Resolution1080 x 2400 (402 PPI)720 x 1600 (269 PPI)Significantly sharper and clearer visuals on the OnePlus 8. Text, images, and videos will be noticeably more detailed.
TechnologyAMOLED, 90HzIPS LCD, 60HzOnePlus 8 provides smoother scrolling and animations with the higher refresh rate, along with more vibrant colors, deeper blacks, and better power efficiency due to AMOLED technology.
Brightness1100 nitsUnknownThe OnePlus 8 will be much more usable in direct sunlight. The lack of brightness information for the Oppo A15 makes a complete comparison impossible.
Performance
ChipsetSnapdragon 865 5GHelio P35The Snapdragon 865 in the OnePlus 8 is vastly more powerful, enabling significantly faster performance in all tasks, including demanding gaming and multitasking.
RAM8GB/12GB2GB/3GB/4GBThe OnePlus 8 offers significantly more RAM, allowing for smoother multitasking and better performance with demanding applications.
Storage128GB/256GB32GB/128GBMore base storage on the OnePlus 8, crucial for storing apps, photos, and videos.
Camera
Main Camera48MP, f/1.7513MP, f/2.2The OnePlus 8's main camera will capture more detailed photos, especially in low-light conditions due to the larger sensor and wider aperture.
Selfie Camera16MP, f/2.455MP, f/2.4Higher resolution selfie camera on the OnePlus 8 results in better quality self-portraits.
Video4K@60fps1080p@30fpsThe OnePlus 8 can record significantly higher resolution video with better stabilization.
Battery
Capacity4300 mAh4230 mAhNegligible difference in battery capacity.
Charging30W10WSignificantly faster charging on the OnePlus 8, minimizing downtime.

2. Key Differences Analysis

OnePlus 8 Advantages:

  • Significantly superior performance: The Snapdragon 865 and ample RAM provide a vastly smoother and faster experience.
  • Much better display: Higher resolution, AMOLED technology, 90Hz refresh rate, and higher brightness contribute to a drastically improved visual experience.
  • Faster charging: Reduces downtime considerably.
  • Superior camera system: Higher resolution sensors and 4K video recording capabilities.

Oppo A15 Advantages:

  • Potentially lower price: Although pricing isn't provided, the Oppo A15's lower specifications suggest a budget-friendly option.
  • Slightly lighter: Though the difference is minimal, some users might prefer the slightly lighter feel.

3. User Profiles & Recommendations

OnePlus 8: Users who prioritize performance, a high-quality display, fast charging, and a capable camera. Ideal for power users, gamers, and multimedia enthusiasts.

Oppo A15: Users on a tight budget who primarily use their phone for basic tasks like calling, texting, and browsing. Suitable for light users who don't demand high performance.

4. Decision Framework

Key Questions:

  1. What is your budget? The OnePlus 8 will likely be significantly more expensive.
  2. What are your primary phone usage patterns? For basic tasks, the Oppo A15 might suffice. For demanding tasks, the OnePlus 8 is essential.
  3. How important is display quality and performance? The OnePlus 8 excels in these areas.

Scenario-Based Recommendations:

  • Heavy user/Gamer: OnePlus 8
  • Budget-conscious light user: Oppo A15

My Choice: OnePlus 8

The OnePlus 8 is the clear winner for me. While potentially more expensive, the vastly superior performance, drastically better display, faster charging, and more capable camera system make it a far more compelling device. The difference in user experience would be significant. The Oppo A15 might be acceptable for extremely budget-conscious users with basic needs, but the compromises in performance and display are too substantial for me to consider. The long-term value and overall user satisfaction offered by the OnePlus 8 outweigh the potential price difference.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.