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Amazon S3 vs Google Cloud Storage vs Oracle Cloud Object Storage comparison

 

Comparison Buyer's Guide

Executive Summary

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
6.0
Organizations see strong ROI from Amazon S3 due to scalability, cost-effectiveness, and benefits like hardware decommissioning and storage classes.
Sentiment score
1.0
Google Cloud Storage is reliable and efficient but lacks cost-saving benefits compared to Azure, with favorable return on investment.
Sentiment score
6.1
Oracle Cloud Object Storage provides secure backup and storage solutions with encryption, delivering a 30% ROI and positive user ratings.
Moving infrequently accessed data to cheaper classes like Glacier is beneficial for long-term storage at a lower cost.
 

Customer Service

Sentiment score
7.0
Amazon S3 customer service is mostly positive with quick, knowledgeable support, though some users experience delays and cost concerns.
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.
Sentiment score
5.4
Oracle Cloud Object Storage receives mixed reviews; praised for customer-friendly support, criticized for slow responses and expertise.
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.
When issues arise, it takes them at least three to four hours to respond.
I have a premium subscription for Oracle Cloud, which ensures a high level of support.
 

Scalability Issues

Sentiment score
8.4
Amazon S3 offers scalable, secure storage solutions for businesses of all sizes, despite some limitations in account configurations.
Sentiment score
5.8
Google Cloud Storage is highly scalable, allowing easy capacity adjustments and stable performance for both small and large user bases.
Sentiment score
8.2
Oracle Cloud Object Storage is scalable, flexible, user-friendly, and reliable, with strong access control for data security.
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.
We can adjust the number of CPUs as per our need and reduce the load.
 

Stability Issues

Sentiment score
8.1
Amazon S3 offers reliable performance and stability, with minimal issues reported, ensuring a dependable experience for users.
Sentiment score
6.6
Google Cloud Storage is reliable and efficient, with high stability and performance ratings, maintaining data integrity globally.
Sentiment score
7.2
Oracle Cloud Object Storage is highly regarded for stability and availability, rated 8/10 by users for consistency.
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.
The system is stable, especially when set up in a single region.
 

Room For Improvement

Amazon S3 users seek improved UI, better performance, lower costs, easier setup, and enhanced compliance, security, and metadata features.
Google Cloud Storage needs speed, cost improvements, user-friendly management, and enhanced security, integration, capacity, pricing, and data tools.
Oracle Cloud Object Storage seeks better security, customization, integration, performance, user-friendliness, and support to match competitors.
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.
The product can be difficult to use compared to how it is marketed.
I could not find a load balancer in OCI similar to the support provided by Microsoft Azure and AWS.
 

Setup Cost

Amazon S3 offers flexible pay-as-you-go pricing, though costs can rise with data retrieval and advanced features.
Enterprise buyers find Google Cloud Storage pricing competitive, citing flexibility and moderate fees, despite occasional cost increases.
Oracle Cloud Object Storage offers varied pricing; users appreciate flexibility but find costs high for infrequent use and disaster recovery.
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.
It is an expensive product.
The pricing for Oracle Cloud is comparable to other cloud providers.
We have to pay the price, and the cost is higher.
 

Valuable Features

Amazon S3 offers high availability, security, scalability, ease of use, integration, and efficient data management with AWS compatibility.
Google Cloud Storage provides scalability, strong security, seamless integration, and flexible features, making it reliable and user-friendly.
Oracle Cloud Object Storage is scalable and secure, ideal for large-scale applications with features like encryption and lifecycle management.
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.
High availability, a large dataset, and stability are our main criteria for using this solution.
I find manageability, scalability, and security of the product most valuable.
It also provides multi-region support, enhancing data accessibility and safety.
 

Mindshare comparison

As of July 2025, in the Public Cloud Storage Services category, the mindshare of Amazon S3 is 11.6%, down from 12.8% compared to the previous year. The mindshare of Google Cloud Storage is 9.2%, down from 11.4% compared to the previous year. The mindshare of Oracle Cloud Object Storage is 3.9%, down from 4.2% 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.
PriyankShrivastava - PeerSpot reviewer
A workhorse that enables high availability but support has room for improvement
There is always room for improvement. When a product is marketed, many claims are made, but in reality, it does not always perform as expected. The usability and real-time capabilities could be enhanced. The product can be difficult to use compared to how it is marketed. Technical support also lacks a timely response.
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Manufacturing Company
9%
Financial Services Firm
9%
University
9%
Computer Software Company
16%
Financial Services Firm
8%
Comms Service Provider
7%
Educational Organization
6%
Manufacturing Company
17%
Computer Software Company
17%
Financial Services Firm
9%
University
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 manage...
What needs improvement with Amazon S3?
AWS ( /products/amazon-aws-reviews ) should provide more attractive and comprehensive documentation, especially while...
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 Azur...
What needs improvement with Google Cloud Storage?
While Google has made efforts to address SAP loads, the company lacks a product specialist focus. They cover a broad ...
What do you like most about Oracle Cloud Object Storage?
The solution's most valuable features are its speed, unlimited space, and simplicity of use.
What needs improvement with Oracle Cloud Object Storage?
Based on my experience, I don't find any improvements as such. Everything is fine and I don't need additional functio...
 

Also Known As

S3, Simple Storage Service
No data available
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
Brinks
Find out what your peers are saying about Amazon Web Services (AWS), Google, Microsoft and others in Public Cloud Storage Services. Updated: July 2025.
862,543 professionals have used our research since 2012.