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Oracle VM VirtualBox vs Proxmox VE vs VMware vSphere 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
4.0
Oracle VM VirtualBox boosts ROI by virtualizing servers, enhancing efficiency, and providing quick setups with significant financial returns.
Sentiment score
7.5
Proxmox VE offers cost savings, enhanced server capabilities, and improved efficiency, with benefits outweighing its learning curve challenges.
Sentiment score
7.2
VMware vSphere reduces costs and enhances efficiency with virtualization, offering savings, agility, and improved resource utilization and scalability.
 

Customer Service

Sentiment score
7.7
Many users find community support and comprehensive documentation sufficient, reducing the need for Oracle VM VirtualBox's customer service.
Sentiment score
7.4
Proxmox VE users often utilize community resources and documentation over paid support, though improved direct communication is desired.
Sentiment score
7.0
VMware vSphere's customer service is efficient and knowledgeable, but response times and complex issue handling can be inconsistent.
Priority one issues are usually addressed by engineers within one to two hours.
Recently, support has been less friendly and slower, especially after the company was acquired by Broadcom.
If we have issues, the support tends to be unreliable
 

Scalability Issues

Sentiment score
7.2
Oracle VM VirtualBox offers moderate to high scalability, efficiently supporting various environments despite some hardware limitation concerns.
Sentiment score
7.2
Proxmox VE is praised for its scalability, ease of resource addition, and seamless migrations, though vertical scaling could improve.
Sentiment score
7.4
VMware vSphere offers scalable, flexible environments with minimal downtime, seamless integration, and excellent performance across diverse hardware and business needs.
VMware vSphere is highly scalable in terms of the number of users and the number of servers it can handle.
Scaling is easy, whether it is hyperconverged or a three-tier architecture.
It is a highly scalable solution.
 

Stability Issues

Sentiment score
7.0
Oracle VM VirtualBox is stable for most users but can have issues with Windows, snapshots, and multiple monitors.
Sentiment score
8.1
Proxmox VE is highly stable and reliable, performing well on older hardware with minimal performance issues.
Sentiment score
8.0
VMware vSphere is highly stable and reliable, with minimal outages and quick resolution of issues, ideal for critical applications.
The snapshot functionality in Oracle VM VirtualBox is effective for management purposes.
While they are generally stable, if outages occur, they tend to be due to brands like HP or Dell, not VMware vSphere itself.
It is a very stable hypervisor solution.
I would rate the stability of VMware vSphere as eight out of ten.
 

Room For Improvement

Users desire improved network options, better integration, enhanced usability, stability, compatibility, and remote management features for virtual machines.
Proxmox VE faces challenges with performance, interface complexity, support, and lacks effective monitoring, documentation, and scalability features.
VMware vSphere needs pricing, interface, compatibility, management, integration, fault tolerance, performance, and technology support improvements due to user concerns.
The cost changed from perpetual to subscription, and there is a need for alternative solutions.
Although the product is very strong and includes all necessary features, the high pricing drives many customers to avoid using it.
Sometimes, it is difficult to find documentation for specific tools and solutions.
 

Setup Cost

Oracle VM VirtualBox is cost-effective and available for free, but licensing issues require careful enterprise evaluation.
Proxmox VE is an open-source, cost-effective virtualization solution with optional support, valued for its affordability against competitors.
VMware vSphere is costly but valued for advanced features and stability, especially in large-scale environments, warranting careful budgeting.
In the enterprise scenario, all software solutions, including Oracle VM VirtualBox, are expensive.
Many customers are trying to avoid it due to its high cost.
Costs significantly increased from perpetual to subscription, with prices rising by two to three times over three to five years.
The solution is too expensive.
 

Valuable Features

Oracle VM VirtualBox is a versatile, user-friendly, open-source virtualization solution offering cross-platform support and advanced management features.
Proxmox VE provides a user-friendly, scalable, and affordable virtualization solution with strong community support and feature-rich environment.
VMware vSphere offers centralized management and flexibility, enhancing data center efficiency with strong security and fast, efficient operations.
Its snapshot functionality helps with backup management.
The vMotion feature is beneficial for online migration of virtual machines from one host to another without downtime.
The tool is highly available, which is crucial for implementing critical applications requiring 24/7 availability.
The vSphere application is free and very useful, ensuring effective management and improvement in operations.
 

Mindshare comparison

As of April 2025, in the Server Virtualization Software category, the mindshare of Oracle VM VirtualBox is 6.9%, down from 10.3% compared to the previous year. The mindshare of Proxmox VE is 18.1%, down from 20.7% compared to the previous year. The mindshare of VMware vSphere is 17.3%, down from 19.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Server Virtualization Software
 

Featured Reviews

Kopano  Ramaphoi - PeerSpot reviewer
A flexible and easy-to-deploy product that provides a great user experience
The product should improve its scalability. It should be more flexible to be used with desktops with different capacities. We do not have much storage on our desktops, and we must allocate a certain amount of memory to install the product. When we install a virtual machine, we have a limit that we cannot exceed 80% of RAM.
Toby Champion - PeerSpot reviewer
Ensures a robust, user-friendly virtualization platform with seamless VM management, efficient resource allocation and a strong community for support
Improvements are needed for the API. Currently, there are several features inaccessible through the API, necessitating the use of either the WebUI or the command line interface. While the command line interface suffices, it's apparent that efforts are underway to enhance this aspect. In future releases, one potential feature enhancement could be improved remote screen access, allowing users to connect to the screen of another machine more seamlessly. Additionally, integrating with Terraform or providing better support for Terraform workflows might be beneficial, as there seems to be some lacking in that area. There's a minor inconvenience where you have to switch the license file from the open-source community license to an enterprise license.
Neeraj Mehra - PeerSpot reviewer
Streamlines virtualization and has features like high availability and vMotion
The primary use case is for virtualization, including the implementation of vSphere, vCloud Foundation, vCloud Director, and cloud automation with vSphere My customers, particularly SMBs, mainly utilize High Availability (HA), DRS, and vMotion features. The vMotion feature is beneficial for…
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Comparison Review

it_user234735 - PeerSpot reviewer
May 10, 2015
Hyper-V 2012 R2 vs. VMware vSphere 5.5
I was won with Hyper-V 2012R2 recently and the table below based on customer RFP (edited). This articles all about technical, there is not related with TCO/ROI, licensing cost, “political”, etc. Another to noted is the Windows Server 2012 licenses is based on 2 socket CPU, meanwhile…
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Comms Service Provider
10%
Manufacturing Company
8%
Financial Services Firm
8%
Computer Software Company
15%
Comms Service Provider
11%
Manufacturing Company
8%
Government
7%
Educational Organization
27%
Computer Software Company
12%
Financial Services Firm
8%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

How does KVM compare to Oracle VM VirtualBox?
KVM is easy to use, stable and flexible. It is mature and very fast. It is an affordable open-source solution that is...
What do you like most about Oracle VM VirtualBox?
The product’s most valuable feature is the ability to manage multiple operating systems through one application.
What is your experience regarding pricing and costs for Oracle VM VirtualBox?
The pricing is flexible. When Oracle bought VirtualBox, they introduced some licensing issues. However, it did not af...
Proxmox vs ESXi/vSphere: What is your experience?
For me the biggest impact is the cost of licensing in the case of VMware despite its overall intuitiveness and ease o...
How does Proxmox VE compare with Hyper-V?
One of the best things about Proxmox VE is that it is open-source and very inexpensive. You get all of the same featu...
Proxmox VE or KVM?
I use Proxmox VE and have been very happy with it. In my opinion, it is a complete and stable solution with excellent...
What is IOMMU?
DEEPEN DHULLA did explain well IOMMU. IOMMU has to be activated at the bios level. It exists on Intel and AMD platfor...
Why KVM??? Help please!
We use VMware and KVM. We find that KVM is a lot simpler to use and it provides the virtualization we need for Linux...
What is the biggest difference between Nutanix Acropolis and VMware vSphere?
We found the reduced power consumption with Nutanix Acropolis AOS a very attractive feature. We also like the interfa...
 

Comparisons

 

Overview

 

Sample Customers

Airbus, Colorado State University, SCS Africa, Wolf Medical Systems.
Municipality of Trento, SwitchMIA, inDenova, Valmeita City Council, Alpha IT AS, Grupo Inversor Veracruzano S.A.P.I. de C.V. (GRIVER), Laut und Schoen, IT-Services - Hamburg e.K., KMI Learning, Dynacom Tankers Management Ltd., Serwise AG
Abu Dhabi Ports Company, ACS, AIA New Zealand, Consona, Corporate Express, CS Energy, and Digiweb.
Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software. Updated: March 2025.
849,190 professionals have used our research since 2012.