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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
3.5
Users report positive ROI from Amazon S3 due to cost savings, scalability, data integrity, and advanced analytics benefits.
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.
 

Customer Service

Sentiment score
6.5
Amazon S3 support is knowledgeable and helpful, but users desire faster response times; documentation reduces support necessity.
Sentiment score
3.8
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.
An engineer is assigned based on the severity of the issue.
The technical support for Amazon S3 is rated ten out of ten.
We have self-studied to learn the services.
For SAP loads, Google provided a specific team, which resulted in good support.
 

Scalability Issues

Sentiment score
8.3
Amazon S3 is praised for its scalability, flexibility, and security, ideal for enterprise-level applications despite cost considerations.
Sentiment score
5.8
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.
The level of scalability allows storage to automatically scale on demand, without the need for manual intervention.
Amazon S3's automatic scaling has benefited me, as I don't need to plan storage requirements.
Google Cloud Storage is scalable, but there are limitations.
 

Stability Issues

Sentiment score
7.7
Amazon S3 is highly stable and reliable with excellent performance, minimal maintenance, and slight security and upload speed concerns.
Sentiment score
6.6
Google Cloud Storage is reliable and efficient, with high stability and performance ratings, maintaining data integrity globally.
There is zero latency or downtime.
Transitioning between S3 storage classes, like moving data from the standard class to Glacier or Glacier Deep Archive, has been challenging.
Amazon S3 is highly stable.
There was no direct experience with any instability during my involvement.
 

Room For Improvement

Users want a more intuitive Amazon S3 interface, enhanced speed, security features, simplified pricing, and better service integration.
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.
The practice of protecting data could be more streamlined or mandatory.
I would like to see an increase in the data upload limit, similar to DynamoDB, where there is no data limit.
They cover a broad range of products, which might affect their ability to compete well in certain niches.
 

Setup Cost

Amazon S3's pay-as-you-go model offers cost-effectiveness, though advanced features may increase expenses compared to competitors.
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.
S3 offers multiple classes, allowing you to move data to cheaper classes for cost savings.
It is somewhat justified due to the benefits, but there is room for reconsideration.
Depending on your setup, Google Cloud Storage is economical, especially if you do not need high stability and scalability.
Google Cloud was cheaper compared to AWS and Azure.
 

Valuable Features

Amazon S3 is favored for its security, scalability, unlimited storage, and integration with AWS, ideal for diverse data needs.
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.
I appreciate its capability to create static websites and integrate with services like CloudFront, EC2, and DynamoDB.
Security measures like encryption, access controls, and the block public access feature are also important.
We do not experience any disruptions, and the service meets our needs and requirements.
The user interface of Google Cloud Storage is easy and consistent across all their products.
 

Categories and Ranking

Amazon S3
Ranking in Public Cloud Storage Services
2nd
Average Rating
8.8
Reviews Sentiment
6.8
Number of Reviews
83
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
6.2
Number of Reviews
79
Ranking in other categories
Cloud Storage (1st)
 

Mindshare comparison

As of August 2025, in the Public Cloud Storage Services category, the mindshare of Amazon S3 is 12.4%, up from 12.2% compared to the previous year. The mindshare of Google Cloud Storage is 8.9%, down from 11.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Public Cloud Storage Services
 

Featured Reviews

Vagner Martins - PeerSpot reviewer
Enhanced data security with seamless integration and static website capabilities
S3 is a great service offering numerous possibilities. It allows for storing objects and files of various types. I appreciate its capability to create static websites and integrate with services like CloudFront, EC2, and DynamoDB. Despite being focused on security, I leverage features such as cryptography and integration with CloudTrail.
Manimaran Tannimalai - PeerSpot reviewer
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
16%
Financial Services Firm
9%
Manufacturing Company
9%
University
8%
Computer Software Company
15%
Comms Service Provider
8%
Financial Services Firm
7%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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?
AWS pricing for Amazon S3 starts at a higher cost, particularly in the standard class. However, with lifecycle management policies, costs can be optimized over time. On a scale from one to ten, I w...
What needs improvement with Amazon S3?
Areas of improvement should focus more on the services of Outposts rather than the Amazon S3 portion. AWS should sell Outposts in the Philippines because currently, only a few companies are using i...
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: July 2025.
865,295 professionals have used our research since 2012.