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Amazon S3 vs Google Cloud Storage comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 1, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
5.8
Organizations find Amazon S3 cost-effective, scalable, and productivity-boosting, with economic advantages and reduced overhead costs.
Sentiment score
1.0
Google Cloud Storage is reliable and efficient but lacks cost-saving benefits compared to Azure, with favorable return on investment.
Moving infrequently accessed data to cheaper classes like Glacier is beneficial for long-term storage at a lower cost.
Information Security Analyst at a financial services firm with 201-500 employees
I have seen a return on investment, and the ROI that we observed in our organization includes reducing manpower by 20% and achieving zero downtime for storage expansion, which improves overall productivity.
Data Engineer at a tech vendor with 10,001+ employees
Amazon S3 has a reasonable price as you pay a flat price to use it.
Senior Data & AI Engineer at Imprint
 

Customer Service

Sentiment score
6.9
Amazon S3 support is professional and responsive, with high user ratings, despite occasional delays and cost concerns.
Sentiment score
3.1
Google Cloud Storage's customer support is generally praised for responsiveness, though some users report slower response times and prefer forums.
I rate the technical support from Amazon for S3 a ten out of ten.
CTO at Atulya Abhinav Tech Private Limited
The customer support for Amazon S3 is very good; they are responsive and knowledgeable, providing quick resolutions, clear documentation, and proactive guidance during migrations or performance tuning.
Data Engineer at a tech vendor with 10,001+ employees
An engineer is assigned based on the severity of the issue.
DevOps Engineer at Olla Systems Limited
We have self-studied to learn the services.
IT specialist at CUADRO OCHO INC
For SAP loads, Google provided a specific team, which resulted in good support.
Managing Partner at Cloud Analytics Sdn Bhd
 

Scalability Issues

Sentiment score
7.9
Amazon S3 provides scalable, cost-effective storage with strong security, widely used across industries for data management.
Sentiment score
5.0
Google Cloud Storage is highly scalable, allowing easy capacity adjustments and stable performance for both small and large user bases.
Data placed in an S3 bucket is replicated across availability zones in a region, ensuring scalability and availability.
Information Security Analyst at a financial services firm with 201-500 employees
The level of scalability allows storage to automatically scale on demand, without the need for manual intervention.
AWS Consultant at Virtual University
The scalability of Amazon S3 is excellent as it handles unlimited data and seamlessly supports growth without manual provisioning or performance degradation.
Data Engineer at a tech vendor with 10,001+ employees
Google Cloud Storage is scalable, but there are limitations.
Managing Partner at Cloud Analytics Sdn Bhd
 

Stability Issues

Sentiment score
7.7
Amazon S3 is praised for high stability, performance, and 99.99% uptime with minor latency but noted security concerns.
Sentiment score
5.5
Google Cloud Storage is reliable and efficient, with high stability and performance ratings, maintaining data integrity globally.
There is zero latency or downtime.
AWS Consultant at Virtual University
Transitioning between S3 storage classes, like moving data from the standard class to Glacier or Glacier Deep Archive, has been challenging.
Information Security Analyst at a financial services firm with 201-500 employees
Amazon S3 is highly stable.
DevOps Engineer at Olla Systems Limited
There was no direct experience with any instability during my involvement.
Managing Partner at Cloud Analytics Sdn Bhd
 

Room For Improvement

Amazon S3 users desire enhanced dashboards, better security, improved performance, simplified configurations, intuitive interfaces, and more competitive pricing.
Google Cloud Storage needs speed, cost improvements, user-friendly management, and enhanced security, integration, capacity, pricing, and data tools.
An improvement could be associating the naming with personal accounts, allowing more familiar or desired names without conflicting with global conventions.
DevOps Engineer at Stellar Tech
The practice of protecting data could be more streamlined or mandatory.
Information Security Analyst at a financial services firm with 201-500 employees
I would like to see an increase in the data upload limit, similar to DynamoDB, where there is no data limit.
AWS Consultant at Virtual University
They cover a broad range of products, which might affect their ability to compete well in certain niches.
Managing Partner at Cloud Analytics Sdn Bhd
 

Setup Cost

Amazon S3 offers cost-effective storage with pay-as-you-go pricing, but retrieval and advanced features can be expensive.
Enterprise buyers find Google Cloud Storage pricing competitive, citing flexibility and moderate fees, despite occasional cost increases.
I've used the free tier and haven't been charged yet.
DevOps Engineer at Stellar Tech
S3 offers multiple classes, allowing you to move data to cheaper classes for cost savings.
Information Security Analyst at a financial services firm with 201-500 employees
Since using Amazon S3, storage costs have reduced by around 35% to 40% through lifecycle tiering.
Data Engineer at a tech vendor with 10,001+ employees
Depending on your setup, Google Cloud Storage is economical, especially if you do not need high stability and scalability.
IT specialist at CUADRO OCHO INC
Google Cloud was cheaper compared to AWS and Azure.
Managing Partner at Cloud Analytics Sdn Bhd
 

Valuable Features

Amazon S3 offers scalability, high availability, security, and cost-effective data management, appreciated for performance, reliability, and global accessibility.
Google Cloud Storage provides scalability, strong security, seamless integration, and flexible features, making it reliable and user-friendly.
Its stability and scalability are also impressive, as it allows for increased storage space according to demand.
DevOps Engineer at Stellar Tech
I appreciate its capability to create static websites and integrate with services like CloudFront, EC2, and DynamoDB.
Information Security Analyst at a financial services firm with 201-500 employees
Security measures like encryption, access controls, and the block public access feature are also important.
AWS Consultant at Virtual University
We do not experience any disruptions, and the service meets our needs and requirements.
IT specialist at CUADRO OCHO INC
The user interface of Google Cloud Storage is easy and consistent across all their products.
Managing Partner at Cloud Analytics Sdn Bhd
 

Categories and Ranking

Amazon S3
Ranking in Public Cloud Storage Services
2nd
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
84
Ranking in other categories
No ranking in other categories
Google Cloud Storage
Ranking in Public Cloud Storage Services
3rd
Average Rating
8.6
Reviews Sentiment
5.7
Number of Reviews
79
Ranking in other categories
Cloud Storage (1st)
 

Mindshare comparison

As of January 2026, in the Public Cloud Storage Services category, the mindshare of Amazon S3 is 13.2%, up from 11.8% compared to the previous year. The mindshare of Google Cloud Storage is 7.9%, down from 10.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Public Cloud Storage Services Market Share Distribution
ProductMarket Share (%)
Amazon S313.2%
Google Cloud Storage7.9%
Other78.9%
Public Cloud Storage Services
 

Featured Reviews

reviewer2774889 - PeerSpot reviewer
Data Engineer at a tech vendor with 10,001+ employees
Has reduced storage costs and improved data management through automated lifecycle and seamless service integration
The best features that Amazon S3 offers are high durability and availability with virtually unlimited storage, lifecycle management for automated tiering and cost control, versioning to retain and recover data changes, and integration with services such as Glue, Athena, EMR, Lambda, along with strong security via IAM roles, bucket policies, and encryption. These features help by ensuring data is always available, securely stored, and easily accessible for pipelines. Lifecycle policies reduce manual cleanup, versioning safeguards against accidental deletions, and integrations allow us to directly run analytics or trigger workflows without moving data around. Amazon S3 event notifications help automate tasks such as triggering ETL jobs or Lambda functions on new data arrivals, and features such as cross-region replication ensure data redundancy and compliance, while fine-grained access control makes it easy to manage permissions across teams securely. My organization has seen improvements in data accessibility, reduced infrastructure costs, and simplified data management through Amazon S3. We now have a unified scalable storage layer that supports analytics, backups, and migrations seamlessly, leading to faster workflows and better decision-making.
Manimaran Tannimalai - PeerSpot reviewer
Managing Partner at Cloud Analytics Sdn Bhd
User interface consistency facilitates seamless project planning and design for specialized tasks
While Google has made efforts to address SAP loads, the company lacks a product specialist focus. They cover a broad range of products, which might affect their ability to compete well in certain niches. Google's strength lies in their adapted approach to specific tasks, as seen with SAP loads. Generally, their focus is widespread.
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Top Industries

By visitors reading reviews
Computer Software Company
13%
University
10%
Manufacturing Company
9%
Financial Services Firm
9%
Computer Software Company
13%
Financial Services Firm
7%
Manufacturing Company
7%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business33
Midsize Enterprise17
Large Enterprise39
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise17
Large Enterprise34
 

Questions from the Community

What do you like most about Amazon S3?
We can easily connect to the AWS resources.
What is your experience regarding pricing and costs for Amazon S3?
Since using Amazon S3, storage costs have reduced by around 35% to 40% through lifecycle tiering, data availability improved to 99.9% which minimizes downtime, ETL processing time decreased by appr...
What needs improvement with Amazon S3?
Amazon S3 can be improved with more intuitive cost visualization tools with forecasting capabilities, faster restore times from Glacier tiers, better real-time monitoring of data access patterns, a...
What is your experience regarding pricing and costs for Google Cloud Storage?
Google Cloud ( /products/google-cloud-reviews ) was cheaper compared to AWS ( /products/amazon-aws-reviews ) and Azure ( /products/microsoft-azure-reviews ). AWS ( /products/amazon-aws-reviews ) wa...
What needs improvement with Google Cloud Storage?
It took only five minutes to get everything working with Google Cloud Storage, so it was easy. For Google Cloud Storage, it's actually not with Google Cloud Storage specifically, but with Google Cl...
 

Also Known As

S3, Simple Storage Service
No data available
 

Overview

 

Sample Customers

Netflix, Airbnb, Thomson Reuters, Zillow, Alert Logic
1. Adobe 2. Airbnb 3. Amazon 4. Apple 5. AT&T 6. Baidu 7. Cisco 8. Coca-Cola 9. Dell 10. eBay 11. Facebook 12. Ford 13. Google 13. HP 14. IBM 15. Intel 16. JPMorgan Chase 17. LinkedIn 18. Lyft 19. Microsoft 20. Netflix 21. Nike 22. Oracle 23. PayPal 24. Pinterest 25. Qualcomm 26. SAP 27. Spotify 28. Tesla 29. Toyota 30. Twitter 31. Visa 32. Walmart 33. WeWork
Find out what your peers are saying about Amazon S3 vs. Google Cloud Storage and other solutions. Updated: December 2025.
880,511 professionals have used our research since 2012.