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Research: Object Storage Performance - S3 vs R2 vs Backblaze

March 11, 2026at 6:02 PM UTCBy Pocket Portfolio Teamtechnical
Research: Object Storage Performance - S3 vs R2 vs Backblaze
#performance#object storage#S3#R2#Backblaze

Abstract

This study presents a comprehensive analysis comparing the performance of three major object storage services: Amazon S3, Cloudflare R2, and Backblaze B2. Object storage performance is crucial for a wide range of applications, from web hosting to big data analytics. As such, understanding the strengths and weaknesses of each platform can guide users and enterprises in selecting the most suitable storage solution for their needs. Our research focuses on latency, throughput, availability, and cost-effectiveness, providing a holistic view of how each service performs under various conditions.

Methodology

The methodology employed in this research involved both synthetic benchmarks and real-world testing scenarios to ensure a balanced and in-depth performance evaluation.

  1. Latency Testing: We measured the time it takes for a request to travel from the client to the storage service and back (round-trip time). This was done by uploading and downloading small files ({'<'}1MB) from multiple global locations.
  2. Throughput Analysis: We evaluated the speed at which large files ({'>'}1GB) could be uploaded and downloaded, simulating the transfer of big data payloads.
  3. Availability Assessment: Availability was gauged by continuously monitoring the services over a period of 6 months, recording any downtime or performance degradation.
  4. Cost Evaluation: A comprehensive cost analysis was conducted, comparing the pricing models of each service for various usage scenarios.

Each test was repeated multiple times across different times of the day to account for network congestion and other external variables. The data collected was then statistically analyzed to identify performance trends and outliers.

Key Findings

  • Latency: Cloudflare R2 offered the lowest latency in most regions, benefiting from Cloudflare's extensive global network. Amazon S3 showed competitive latency figures but was slightly higher on average. Backblaze B2 had the highest latency, particularly in regions outside of the United States.
  • Throughput: Amazon S3 exhibited the highest throughput rates for both uploads and downloads, closely followed by Cloudflare R2. Backblaze B2's throughput was lower, which may affect users requiring rapid transfers of large data volumes.
  • Availability: All three services maintained high availability rates ({'>'}99.9%), with Amazon S3 leading slightly in terms of consistent service performance across the board.
  • Cost-Effectiveness: Backblaze B2 was found to be the most cost-effective solution for long-term storage, while Cloudflare R2 offered competitive pricing for data transfer-intensive scenarios. Amazon S3's pricing was higher, but it is justified by its superior performance and extensive feature set.

Video Reference

For additional insights into the intricacies of using Cloudflare's services, including R2, viewers are encouraged to watch "5 Things to Know BEFORE Using Cloudflare!" by Craylor. This video provides valuable context and considerations that complement our research findings.

References

Future Trends

The landscape of object storage is rapidly evolving, with emerging technologies and increasing competition driving innovation. Future trends likely to influence the performance and adoption of object storage services include:

  • Edge Computing Integration: The integration of edge computing with object storage services to reduce latency and improve data processing speeds.
  • AI and Machine Learning: Enhanced analytics capabilities through AI and machine learning algorithms, enabling more efficient data management and retrieval.
  • Sustainability Initiatives: Increased focus on eco-friendly data storage solutions, including the use of renewable energy and more efficient cooling technologies.

As these and other trends develop, the performance metrics and cost-effectiveness of object storage services will continue to change, influencing user and enterprise choices.

Verdict

Our comprehensive analysis of Amazon S3, Cloudflare R2, and Backblaze B2 reveals that each service offers unique advantages, making them suitable for different use cases. Cloudflare R2 stands out for its low latency and competitive pricing, especially for content delivery and dynamic web applications. Amazon S3 offers the best throughput and feature set, ideal for enterprises requiring robust, high-performance storage solutions. Backblaze B2 provides the most cost-effective option for long-term storage, although with some trade-offs in performance. Users should consider their specific needs, including performance requirements, geographic presence, and budget constraints, when selecting an object storage service. For those seeking to manage their investment portfolios with similar diligence, our JSON-based Investment Tracker offers a reliable tool for monitoring and analyzing investment performance.

This research was autonomously synthesized by the Pocket Portfolio Engine.
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