OnePlus 8 vs Realme 9 Pro - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8
OnePlus 8
Oneplus
Realme 9 Pro
Realme 9 Pro
Realme

General

Launch Date April 21, 2020 February 23, 2022
Release Year 2020 2022

Physical

Volume 93.43 cm³ 105.58 cm³
Screen Size to Weight Ratio 3.64 "/g 3.38 "/g
Weight 180 g 195 g
Height 160.2 mm 164.3 mm
Width 72.9 mm 75.6 mm
Thickness 8 mm 8.5 mm
Foldable Design No No
Available Colors
  • Glacial Green
  • Onyx Black
  • Interstellar Glow
  • Polar Silver
  • Midnight Black
  • Aurora Green
  • Sunrise Blue

Display

Screen Size 6.55 " 6.6 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.7 % 84.4 %
Pixel Density 402 PPI 400 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 100.23 mAh/in² 114.78 mAh/in²
Battery Density 46.02 mAh/cm³ 47.36 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SM6375 Snapdragon 695 5G (6 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU Adreno 650 Adreno 619

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 USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version 13 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 8Realme 9 ProPractical Impact
Design
Dimensions160.2 x 72.9 x 8 mm, 180g164.3 x 75.6 x 8.5 mm, 195gThe OnePlus 8 is noticeably smaller and lighter, making it more comfortable for one-handed use and pocket portability.
Build QualityCorning Gorilla Glass 5Unknown screen protectionThe OnePlus 8 offers better screen protection against scratches and drops. Lack of information on the Realme 9 Pro's screen protection makes direct comparison difficult.
Display
Size6.55"6.6"Negligible difference in screen real estate.
Resolution1080x24001080x2412Virtually identical sharpness and clarity.
TechnologyAMOLEDIPS LCDThe OnePlus 8's AMOLED display provides significantly better contrast, deeper blacks, and more vibrant colors. This results in a more visually appealing experience, especially for media consumption. It also offers better power efficiency for dark mode.
Refresh Rate90Hz120HzThe Realme 9 Pro's 120Hz refresh rate delivers smoother scrolling and animations, making the user interface feel more responsive.
Brightness1100 nitsUnknownThe OnePlus 8's superior brightness ensures excellent outdoor visibility, even in direct sunlight. The lack of brightness information for the Realme 9 Pro prevents a complete comparison.
Performance
ChipsetSnapdragon 865 5GSnapdragon 695 5GThe OnePlus 8's Snapdragon 865 significantly outperforms the Realme 9 Pro's Snapdragon 695. This translates to faster app loading, smoother multitasking, and better gaming performance.
Antutu Score743,500402,916The OnePlus 8's much higher Antutu score reflects its superior processing power.
RAM8GB/12GB6GB/8GBThe OnePlus 8 offers a higher RAM configuration (12GB), enabling better multitasking and handling of demanding applications without slowdown.
Storage128GB/256GB128GBThe OnePlus 8 offers a higher storage option (256GB) for users who need more space for apps, photos, and videos.
Camera
Main Camera48MP, f/1.7564MP, f/1.79While the Realme 9 Pro has a higher resolution, the OnePlus 8 has a slightly wider aperture, potentially offering better low-light performance. Image quality will depend on sensor and software processing, which cannot be fully assessed with the provided data.
Video4K@60fps, OIS1080p@30fps, Unknown StabilizationThe OnePlus 8 offers significantly better video recording capabilities with higher resolution (4K) and Optical Image Stabilization (OIS) for smoother footage.
Battery
Capacity4300mAh5000mAhThe Realme 9 Pro has a larger battery capacity, likely resulting in longer battery life.
Charging30W33WThe Realme 9 Pro offers slightly faster charging.

2. Key Differences Analysis

OnePlus 8 Advantages:

  • Significantly better performance: The Snapdragon 865 provides a much smoother and faster user experience.
  • Superior display: The AMOLED screen offers richer colors and deeper blacks.
  • Higher quality video recording: 4K resolution and OIS enable superior video capture.
  • Brighter Display: Better outdoor visibility
  • Lighter and Smaller: Improved one-handed usability

Realme 9 Pro Advantages:

  • Larger battery: Potentially longer battery life.
  • Slightly faster charging: Less downtime for charging.
  • Higher resolution main camera: Potentially more detailed photos (depending on sensor and processing).
  • Higher Refresh Rate: Smoother UI experience

3. User Profiles & Recommendations

OnePlus 8: Ideal for users who prioritize performance, a high-quality display, and excellent camera capabilities, especially for video recording. Suitable for demanding tasks like gaming and media editing.

Realme 9 Pro: Suitable for users who prioritize battery life and a smooth user interface for everyday tasks. A good option for budget-conscious buyers who don't require top-tier performance.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The OnePlus 8, being an older flagship, might be available at a competitive price compared to the Realme 9 Pro.
  2. What are your primary use cases? Gamers and power users will appreciate the OnePlus 8's performance, while casual users might find the Realme 9 Pro sufficient.
  3. How important is display quality and camera performance? The OnePlus 8 excels in these areas.

Scenario-Based Recommendations:

  • Heavy gamer: OnePlus 8
  • Casual user on a budget: Realme 9 Pro
  • Photographer/Videographer: OnePlus 8

My Choice: OnePlus 8

While the Realme 9 Pro offers a larger battery and slightly faster charging, the OnePlus 8's significantly superior performance, AMOLED display, brighter screen for outdoor use, and better video recording capabilities make it the clear winner for me. The lighter and more compact form factor is also a plus. I prioritize a smooth and responsive user experience, a vibrant display, and the ability to capture high-quality videos. The performance difference between the Snapdragon 865 and 695 is substantial and would impact my daily usage significantly more than the extra battery life. Even though the OnePlus 8 is an older model, its flagship-level specifications make it a more compelling device overall.

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.