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Proxmox VE vs VMware ESXi comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 6, 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
7.5
Proxmox VE offers cost savings, enhanced server capabilities, and improved efficiency, with benefits outweighing its learning curve challenges.
Sentiment score
4.6
VMware ESXi boosts efficiency and saves costs, but some users consider alternatives due to rising expenses and ROI challenges.
 

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
7.4
VMware ESXi support is generally positive, though Broadcom acquisition caused some delays; users praise higher-level support efficiency.
I rate the technical support from VMware as nine or ten out of ten.
In the last three or four years, we did not require any support from VMware engineers, indicating its high reliability.
We are not receiving the response very fast from support, so we have to wait a lot.
 

Scalability Issues

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
7.8
VMware ESXi is highly scalable, widely used globally, supporting extensive infrastructures despite some licensing challenges, rated 8-9/10.
The solution is scalable, allowing us to scale up or down regardless of infrastructure size.
My customers are highly satisfied with its scalability.
vCenter Server can manage up to 1,000 ESXi servers within a single UI interface, allowing extensive deployment and management capabilities.
 

Stability Issues

Sentiment score
8.1
Proxmox VE is highly stable and reliable, performing well on older hardware with minimal performance issues.
Sentiment score
8.2
VMware ESXi is praised for stability, resolved issues, and dependable performance, with occasional downtime and seamless integration noted.
ESXi is stable, and our business operations depend on it year after year.
 

Room For Improvement

Proxmox VE faces challenges with performance, interface complexity, support, and lacks effective monitoring, documentation, and scalability features.
Users seek cost-effective VMware ESXi with simpler licensing, improved support, easier management, and better scalability post-Broadcom acquisition.
The cost of VMware ESXi is very high, especially after the acquisition by Broadcom, which led to price increases.
It's not cost-effective for small users and creates a gap for alternatives, while favoring larger clients.
Providing a mobile application for remote access to ESXi servers would be beneficial.
 

Setup Cost

Proxmox VE is an open-source, cost-effective virtualization solution with optional support, valued for its affordability against competitors.
VMware ESXi's high pricing and complex licensing model post-acquisition lead to increased costs, requiring tailored licensing for efficiency.
The product is very cost-effective, though not fixed, as pricing tends to fluctuate over time.
The pricing is expensive, with the cost for customers ranging from $10,000 to $20,000 yearly.
VMware is shifting to Broadcom, and their prices are becoming more expensive nowadays.
 

Valuable Features

Proxmox VE provides a user-friendly, scalable, and affordable virtualization solution with strong community support and feature-rich environment.
VMware ESXi provides efficient server management with features like vMotion and disaster recovery, plus seamless third-party integration and scalability.
As a level one or bare metal hypervisor, its unmatched scalability depends on underlying hardware, capable of managing large numbers of physical servers with one management platform.
Its capability to move virtual machines to physical machines is very efficient for our live environment.
Features like high availability ensure VM migration to another host in case of host failure.
 

Categories and Ranking

Proxmox VE
Ranking in Server Virtualization Software
1st
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
62
Ranking in other categories
No ranking in other categories
VMware ESXi
Ranking in Server Virtualization Software
8th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
32
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Server Virtualization Software category, the mindshare of Proxmox VE is 17.5%, down from 20.3% compared to the previous year. The mindshare of VMware ESXi is 1.1%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Server Virtualization Software
 

Featured Reviews

Juan Barandiaran - PeerSpot reviewer
Effortless management with robust support enhances performance and cost savings
My primary use case for Proxmox VE focuses on replacing VMware solutions and migrating to a Centric Solution for medium-sized companies. This product serves as a hypervisor in environments where performance is crucial Proxmox VE has provided performance improvements, particularly with its…
Syed Ali Waqas - PeerSpot reviewer
Efficiently manages development environments with robust network integration
I recommend new users download and evaluate the free version from VMware's website. Once satisfied, they should purchase the professional version for a smooth and secure IT infrastructure. The professional version is cost-effective, allowing one to create multiple servers on a single server. I'd rate the solution ten out of ten.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
11%
Manufacturing Company
8%
University
7%
Manufacturing Company
16%
Computer Software Company
10%
Financial Services Firm
9%
Educational Organization
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

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 of handling and management. However, KVM-based Open Source solutions are becoming...
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 features as with the more well-known products. Proxmox VE is very easy to deploy - it...
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 tools for managing servers. It has a lot of different features, and I also love...
What do you like most about VMware ESXi?
My customers are satisfied with the solution’s performance.
What is your experience regarding pricing and costs for VMware ESXi?
VMware is shifting to Broadcom, and their prices are becoming more expensive nowadays. The management is considering whether to continue with VMware or switch to other products. I am not sure exact...
What needs improvement with VMware ESXi?
Pricing is a major issue with VMware ESXi as it is becoming more expensive. Many financial companies use VMware, so they should consider working on their pricing model to make it more affordable.
 

Comparisons

 

Overview

 

Sample Customers

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
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Find out what your peers are saying about Proxmox VE vs. VMware ESXi and other solutions. Updated: July 2025.
861,524 professionals have used our research since 2012.