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Amazon AWS vs Microsoft Azure vs Virtustream xStream 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:
 

Mindshare comparison

As of October 2025, in the Infrastructure as a Service Clouds (IaaS) category, the mindshare of Amazon AWS is 16.6%, down from 19.0% compared to the previous year. The mindshare of Microsoft Azure is 14.9%, down from 18.2% compared to the previous year. The mindshare of Virtustream xStream is 0.2%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Infrastructure as a Service Clouds (IaaS) Market Share Distribution
ProductMarket Share (%)
Microsoft Azure14.9%
Amazon AWS16.6%
Virtustream xStream0.2%
Other68.3%
Infrastructure as a Service Clouds (IaaS)
 

Featured Reviews

Asif  Meem - PeerSpot reviewer
Managed cloud services have helped accelerate experiments with flexible configuration options
Sometimes the costs associated with spinning up a service, especially managed services, have implications. For example, if I create a Glue job, that will create S3 buckets and other resources that have cost implications, but once I clean up a Glue job, it does not delete the other accessory resources. Sometimes, I have to go hunting for what resources Amazon AWS might have provisioned and how it is costing behind the scenes. It can be complex depending on your level of expertise. It is not as easy to get started, especially when it comes to secure practices. Amazon AWS is more hands-on than other platforms.
Syed Abid  - PeerSpot reviewer
Versatile integrations and reliable customer satisfaction elevate cloud service experience
For Microsoft Azure improvement, they need to enhance their support system. The first level of support should be improved in terms of quality and response time. They need more technical support at the first level, as there are currently only one or two technical people among five to ten staff members at this level. They should ensure that the first level support is more technical because we normally provide services to technical users ourselves. When an issue arises, it usually escalates to the second or third level. When facing first level support, they may have limited knowledge and only collect screenshots to forward to their seniors. They should ensure that the first level support is aligned with L2 and L3 to better assist us, especially since we mention in the ticket that our issues are related to specific problems and require that sort of support.
RH
Improves efficiencies, has encryption, and great mission-critical customer support
Previously we had an amateur solution where we were managing on our own data center but we had the management in-house. It was a strategic move to give people who were more competent and with business focus other core initiatives. It was a strategic outsource model. The equipment we were using was out date and at the end of its life cycle, we had to make some transitions, do a hardware replacement, or move on. We moved on to this solution.

Quotes from Members

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

Pros

"It is easy to spin up resources."
"Support is really good."
"The stability of the solution is very good."
"AWS has many integrations and plenty of tools available for anyone to take advantage of. There are new features being added all the time."
"It is quite easy to provision new virtual services for our use. The procedures are quite straightforward and simple as compared to other competitors, such as Microsoft or Huawei. This is what we are happy about with Amazon AWS. It is pretty mature in terms of the availability of most of the infrastructure components. If you want to deploy a server on your platform, everything is already there in terms of the operating system, network components, securities, and data encryption. It is also quite scalable and stable."
"Amazon AWS has improved a lot on security and is very good. Additionally, You can integrate your own security into their AWS platform."
"For testing, it is a cheap alternative to having to build your own labs."
"Easy to deploy through the channel model for serverless architecture and easy to integrate through the organization model."
"I would rate my experience with the initial setup an eight out of ten, with ten being easy."
"I use a virtual machine for remote desktop and Microsoft Azure is user-friendly."
"The most valuable feature of this solution is the integration between all of the components in Azure."
"It is easy to install."
"Azure is very flexible."
"The performance is good."
"It is stable and scalable."
"The solution is useful for handling large amounts of data."
"The solution has encryption which we did not have before."
 

Cons

"There is a bit of a learning curve. That said, it's likely no different than learning any other cloud."
"The pricing of AWS is very unclear. They make it quite confusing."
"When you are first starting, the initial setup can be a bit complex, but it gets easier after that."
"There should be seminars and online training sessions available from AWS because a lot of people who are not using it would benefit from having the basic knowledge or basic hands-on experience."
"We don't know whether to increase server capacity or alert notifications. We don't know which hard disc to purchase or what the next recommended CPU is. There should be an indicator. We would like to have more guidance."
"The pricing is something you have to watch. You really have to constantly optimize your costs for instances and things like that. That can become a job in itself to manage just from a budgeting standpoint."
"We have a very good approach internally with what we have developed. It involved overcoming some hurdles regarding the single point of truth or single point of configuration, which is sometimes not that easy for AWS. There are dashboards and you have your web service, but bringing all these together and orchestrating is sometimes quite difficult."
"The customization could be improved."
"It would be advantageous if the dashboard had more clarity, in terms of the visibility that it provides."
"The solution must improve its pricing."
"We have faced some issues on the pricing side, but it has improved lately. We are trying to adjust to the new pricing methods that they are using now. It should be better from now on."
"The initial setup could be simplified."
"The market place can be raised, and the CMT can be more sophisticated to create more opportunities for the end users."
"Scalability is definitely in need of improvement. Azure is a very good solution but it still lacks the performance of other cloud platforms."
"The design of the platform is not so easy to navigate. It's not very user-friendly."
"They're already doing quite a bit. I'm not unsatisfied with anything that they're doing right now. They can maybe make the transitions a little smoother and improve its pricing. The pricing for the end-user packages is a bit high."
"Our account representative was inexperienced, they could improve on how they are managing accounts."
 

Pricing and Cost Advice

"This is a subscription-based service and there are licensing fees."
"Maintain a good budget, plan the consumption"
"Technical support is expensive."
"The pricing of AWS was attractive for us, so that's something that's okay at least for this transaction-based system. However, we still have some concerns about more data-driven applications or those that involve a lot of heavy uploading and downloading. So our whole data warehouse is still something that would not go into the cloud because of the pricing model."
"The prices are a bit high."
"There are no additional costs beyond the standard licensing fees."
"A few of our customers pay for it yearly and monthly. Sometimes, when it's related to the data, the pricing seems to be high. It could be cheaper on a transactional basis."
"Its price should be lower. Currently, the price is the same if you are working in-house or in production. If you have to do internal testing or you are checking if things are working in-house, you need to pay for that, and the price is the same. The price for in-house usage should be different from production usage."
"Its price should be optimized so that we can use more features."
"Microsoft Azure is expensive."
"If you are not aware of costs, pricing, etc., you can end up with a hefty bill. However, I found that the Azure price calculator is a valuable tool to use before starting to deploy VMs in Azure. This tool will give you an overview of the costs you should expect on a monthly, quarterly or yearly basis."
"Azure's pricing could be more competitive. Some clients mentioned that they are considering switching to AWS because of the price."
"It's not on a per-user basis; it's on a per subscription basis. It is dependent on how much you use."
"Be careful with Azure Cool storage accounts; if you are dealing with high object counts, then it can be more economical to use Hot storage because of the high storage access costs associated with Cool."
"Pricing is comparable but from a cost perspective, this solution is the cheapest."
"Several thousand dollars and counting, we haven't needed to upgrade on premises hardware (In fact we eliminated all of the old on-premises hardware and run 100% on Azure) or pay for it's maintenance, power etc."
"The solution is a bit expensive, we are still negotiating the price."
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Comparison Review

it_user8586 - PeerSpot reviewer
Aug 14, 2013
Amazon vs Rackspace vs Microsoft vs Google: Cloud Hosting Services Comparison
Amazon Web Services, Rackspace OpenStack, Microsoft Windows Azure and Google are the major cloud hosting and storage service providers. Athough Amazon is top of them and is oldest in cloud market, Rackspace, Microsoft and Google are giving tough competition to each other and to Amazon also for…
 

Top Industries

By visitors reading reviews
Financial Services Firm
16%
Computer Software Company
11%
Manufacturing Company
9%
University
7%
Financial Services Firm
13%
Manufacturing Company
11%
Computer Software Company
10%
University
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business131
Midsize Enterprise48
Large Enterprise112
By reviewers
Company SizeCount
Small Business140
Midsize Enterprise53
Large Enterprise148
No data available
 

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Also Known As

Amazon Web Services, AWS
Windows Azure, Azure, MS Azure
No data available
 

Overview

 

Sample Customers

Pinterest, General Electric, Pfizer, Netflix, and Nasdaq.
BMW, Toyota, easyJet, NBC Sports, HarperCollins, Aviva, TalkTalk Business, Avanade, and Telenor.
Continental, Domino Foods, Florida Crystals, Intel, Lanx, UOL Group
Find out what your peers are saying about Microsoft, Amazon Web Services (AWS), Akamai and others in Infrastructure as a Service Clouds (IaaS). Updated: September 2025.
869,771 professionals have used our research since 2012.