KVM vs Oracle VM vs VMware vSphere comparison

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KVM Logo
Read 39 KVM reviews
34,487 views|25,688 comparisons
90% willing to recommend
Oracle Logo
15,551 views|11,050 comparisons
82% willing to recommend
VMware Logo
43,607 views|36,031 comparisons
95% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between KVM, Oracle VM, and VMware vSphere based on real PeerSpot user reviews.

Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software.
To learn more, read our detailed Server Virtualization Software Report (Updated: April 2024).
768,740 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"The initial setup was very easy.""KVM is stable.""It is easy to use, stable, and flexible. It is a pretty mature product, and it is faster than VirtualBox.""The most helpful aspect of KVM is the fact that the interface is so minimal. It includes just what you need to set up the VMs and manage them, and it's very simple to do so.""I have found KVM to be scalable.""The key aspect is that the KVM directly interacts with the Kronos. There's no clear indication of indirect communication with Kronos. It is not linked to Kronos, and interaction is straightforward without any intermediaries.""It is an open ecosystem, and we see there is a benefit in open-source solutions.""A very reliable solution which can be used for x86 architecture virtualization with reasonable overhead."

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"It is simple and straightforward, and it will only require you one system integrator to do the job.""Its technical support is quite good.""The Foundation is the most valuable feature of Oracle VM.""It's a very flexible solution because you have all the commands that you can do yourself.""The solution is easy to use. You can spin one up when you need to and then shut it down.""Ability to patch with no downtime.""Virtualization platform that's easy to set up, and has good scalability and stability.""The cloning is a great feature and live migration is very easy."

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"Server Virtualization is the most important feature because that helps me to utilize 100% capacity of my physical server or box. Its redundancy, uptime, or high-availability is also valuable. Storage-sharing is also valuable. In vSAN, I can utilize the maximum storage. In the physical boxes, if you don't require storage, it lies idle, but with VMware or any kind of virtualization, you can utilize the full storage.""VMware Tanzu (container) is the most valuable addition because you get an efficient solution to manage the VM and container in a single pane of glass.""The enterprise direction is very complete and the data center provides almost everything you need.""It is easy to manage the solution. It is scalable and very stable.""The DRS feature of this solution is a very valuable feature.""Technical support is quite good and very responsive.""The connectivity is fantastic, and many functions can run together in one server. If you need to scale, we can continue to add components or modules. It's a beautiful virtual solution that has many advantages over physical hardware, where you have to use devices and wiring to connect all your projects.""The initial setup is easy."

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Cons
"In KVM, snapshots and cloning are areas where there could be a little more sophistication, like VMware.""I have previously used VMware and KVM is easier to use. However, they both have their strengths depending on their use cases. They are mostly equal. One of VMware's advantages is it has better support.""The networking with wireless devices needs improvement.""Lacks high availability across clusters as well as support for Apache CloudStack.""I believe KVM offers a unified answer, while ProxMark addresses orchestration. KVM lacks orchestration. If the aim is to centrally oversee multiple KVMs – let's say to freeze them – a centralized management solution is absent.""Technical support is not top-notch.""Technical support could be better. In the next release, I would like to see an improved user interface and dashboard. This type of improvement will make it easy or help our engineers understand the solution from a requirement point of view.""The solution’s user interface could be improved and made more user-friendly."

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"Integration with cloud products would be beneficial.""There is no memory over-subscription and CPU over-subscription. That has to be improved in terms of Oracle VM perspective. The other leading virtualizing software solutions have this feature.""The management can be improved more, and become more agile. It would be nice for it to become more rich in terms of UI. In addition, the replication to disaster recovery needs improvement.""There are currently issues with centralized storage.""Oracle VM should have centralized storage, without which you can't clone or move one VM to another.""It doesn't monitor everything, which is a little bit more difficult. It doesn't seem to have as many features or metrics to monitor as some others do, so you have to make some homemade scripts to do it.""With our current OVM Manager version, migrating a VM from one repository to another repository was really complicated, especially editing and manually matching the configuration.""Its database management features could be better."

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"The implementation of VMware vSphere is easy. For integration companies, it's easy, the final client cannot do it alone but for an implementor it's easy.""I would like to see support for endpoint virtualization.""I would like to see VMware head towards a more GPU friendly environment.""I think the pricing could be lower, and the technical support could be improved.""Two improvements that I would like to see are higher resolution console modes for guests and easier switching between consoles.""VMware vSphere could be improved with cheaper costs.""When we talk about the overall private cloud stack, I would prefer for it be a lot more seamless.""It could use a smaller learning curve."

More VMware vSphere Cons →

Pricing and Cost Advice
  • "​It is free and can be run from your laptop, if needed, unlike VMware.​"
  • "It is cheaper than other competitors like VMware or Hyper-V."
  • "It is cheaper than other solutions out there on the market."
  • "This solution came with the Linux license."
  • "This solution is an open-source, free platform with paid support."
  • "It is free for everyone."
  • "The price is fair compared to others. But in our local market, it's a problem to get budget approval from management. That's why they are trying to get those products so we can give them the price benefit. But if you consider the international market or other products, it's sometimes better than their price."
  • "We had some problems with the licensing."
  • More KVM Pricing and Cost Advice →

  • "Oracle's VM VirtualBox is a powerful, free, and open-source virtualization tool."
  • "The cost of scalability. You pay for what you use. It's free to download, free to install, and the support side has been very helpful."
  • "The price of this product is high."
  • "If you buy an Oracle server, this solution is free. You have to only pay for support."
  • "The cost of this solution is cheap. It is one of the reasons we chose Oracle VM. It is truly "pocket- friendly.""
  • "Pricing and licensing is one of the main decision making reasons for going to Oracle VM because it was cost effective."
  • "Oracle VM is free if you are running it on Oracle infrastructure hardware, otherwise, it is subscription-based."
  • "Licensing costs are less for Oracle Linux and for clients moving to the Oracle Cloud, as it is included in the price of the subscription."
  • More Oracle VM Pricing and Cost Advice →

  • "My advice when it comes to pricing is that pricing is a bummer, especially when it comes to SnS coverage."
  • "Purchase only the cheaper solution with support. I don’t recommend high-end licenses."
  • "Pricing needs to be competitive since Microsoft Hyper-V has come a long way; they are both around the same price range."
  • "VMware is consistently expensive and their pricing arrogance is what will drive us and other customers away."
  • "Start with the lowest and upgrade if, and only if, absolutely necessary."
  • "Compared with other vendors’ products, the pricing of the license is slightly lower. The annual S&S price is very affordable."
  • "The product is worth what you pay for it. I definitely feel like I"m getting good value."
  • "​The only issue with vSphere might be with the cost of the tools and the software.​"
  • More VMware vSphere Pricing and Cost Advice →

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    Comparison Review
    Questions from the Community
    Top Answer:KVM scales better, orchestration better, performs better and supports a wider range of hardware and, also, you can… more »
    Top Answer:Small support team, small cluster, low core count, use VMware products Large support team, large clusters with many… more »
    Top Answer:Far from being an expert, my opinion is that the positive sides of KVM are Lower costs and open-source which gives the… more »
    Top Answer:I would prefer if KVM was easier to scale and not so limited. Overall the product has been helpful. It is easy to use… more »
    Top Answer:Oracle VM seems to me to be kind of outdated. Nevertheless, it is fairly straightforward to use and maintain. The… more »
    Top Answer:Oracle VM is user-friendly and facilitates compliance with Oracle Licensing, a feature not provided by competitors like… more »
    Top Answer:DEEPEN DHULLA did explain well IOMMU. IOMMU has to be activated at the bios level. It exists on Intel and AMD platforms… more »
    Top Answer:We use VMware and KVM. We find that KVM is a lot simpler to use and it provides the virtualization we need for Linux… more »
    Top Answer:We found the reduced power consumption with Nutanix Acropolis AOS a very attractive feature. We also like the interface… more »
    Ranking
    Views
    34,487
    Comparisons
    25,688
    Reviews
    15
    Average Words per Review
    435
    Rating
    8.2
    Views
    15,551
    Comparisons
    11,050
    Reviews
    17
    Average Words per Review
    401
    Rating
    8.2
    Views
    43,607
    Comparisons
    36,031
    Reviews
    17
    Average Words per Review
    406
    Rating
    8.6
    Comparisons
    Proxmox VE logo
    Compared 27% of the time.
    Oracle VM VirtualBox logo
    Compared 13% of the time.
    Hyper-V logo
    Compared 12% of the time.
    VMware Workstation logo
    Compared 11% of the time.
    Nutanix AHV Virtualization logo
    Compared 8% of the time.
    Oracle VM VirtualBox logo
    Compared 18% of the time.
    Proxmox VE logo
    Compared 13% of the time.
    Hyper-V logo
    Compared 5% of the time.
    RHEV logo
    Compared 3% of the time.
    VMware Workstation logo
    Compared 3% of the time.
    Learn More
    KVM
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    Overview

    KVM stands for Kernel-based Virtual Machine, which is an open-source virtualization technology that is embedded in Linux. KVM allows users to seamlessly transform their Linux system into a hypervisor that, in turn, will enable a host machine to run numerous, isolated virtual environments or virtual machines (VMs).

    KVM is part of Linux. Users with Linux 2.6.20 or newer already have KVM. As KVM is already a component of the current Linux code, it automatically improves with every new Linux fix, feature, or upgrade. So KVM users are always current and up to date.

    KVM automatically transforms Linux to a type -1 (bare-metal) hypervisor. All hypervisors need operating system components, such as a process scheduler, I/O stack, device drivers, memory manager, and more, to run a VM. KVM already has these components embedded, as it is part of the Linux kernel. Each VM is generated as a basic Linux proces,s which is maintained by the standard Linux scheduler, with dedicated hardware such as a graphics adapter, memory, disks, network card, and CPUs.

    KVM Key Features:

    KVM has many valuable key features. Some of its most useful features include:

    • Storage: KVM has the ability to use any storage protocol supported by Linux, including network-attached storage (NAS) and some local disks. Multipath I/O can be utilized to provide redundancy and improve storage. Disk images use thin provisioning, ensuring storage is used on demand. KVM is also able to use shared file systems, enabling VM images to be shared on multiple hosts.
    • Hardware: KVM is able to use a vast number of Linux-certified supported hardware platforms. As hardware vendors routinely contribute to kernel improvement, the most up-to-date hardware features are generally quickly added to the Linux kernel.
    • Memory: KVM effectively utilizes the memory management features of Linux, such as kernel same-page emerging and non-uniform memory access. The memory of a VM can easily be switched, supported by large volumes for improved performance, then backed by a disk file or shared.
    • Migration: KVM actively supports live migration so users have the ability to move any running VM between physical hosts with no downtime.
    • Security: KVM uses a blend of secure virtualization (SVirt) and security-enhanced Linux (SELinux) for improved VM security and isolation. SELinux determines security boundaries surrounding VMs. sVirt expands SELinux’s processes, permitting Mandatory Access Control (MAC) security to be used for guest VMs and preventing any manual labeling issues.

    Reviews from Real Users

    “The most helpful aspect of KVM is the fact that the interface is so minimal. It includes just what you need to set up the VMs and manage them, and it's very simple to do so. KVM, as a native virtualization solution, is a complete and fully adequate system for small businesses that need to reduce costs, and also to make maintenance easier. “ - Georges E., Business Engineer and Consultant at All-Tech

    “The most valuable feature of KVM is the hypervisor environment and how we can configure it with ease. Additionally, the interface is intuitive.” Sonu S., Senior Solution Architect at Micro Focus

    Oracle VM for x86

    Oracle VM for x86 is a Xen based server virtualization platform for public and private cloud and traditional on premise deployment. Oracle VM offers full lifecycle and application deployment from disk to cloud.

    Designed and optimized for security, efficiency and performance Oracle VM supports major hardware vendors x86 and storage platforms and can run workloads on Linux, Windows and Oracle Solaris. Uniquely for our virtualization platform it offers live patching via Ksplice enhancing security and minimizing service disruption. Oracle VM supports hard partitioning which can significantly reduce software applications licensing costs.

    Oracle VM for SPARC

    Oracle VM for SPARC is a firmware based virtualization platform for Oracle and Fujitsu SPARC based servers running Solaris. Oracle VM supports hard partitioning which can significantly reduce software applications licensing costs.

    VMware vSphere is a powerful and complete server virtualization platform that allows its users to create and manage virtual data centers and machines. VMware vSphere is designed to help IT departments set up and run applications using the most cost-effective computer resources. By using vSphere, organizations save the time and energy necessary for purchasing infrastructure and software and reduce ongoing maintenance and operational burdens on IT teams.

    Infrastructure administrators and network operators can access and manage the vSphere server by using a web-based cross-platform client application or via the vSphere client tool provided with vSphere. 

    VMware vSphere provides visibility into VMs and enables its users to carry out operations to manage VMs. This includes tasks such as:

    • Powering VMs on and off
    • Launching the VM console
    • Shutting down guest operating systems
    • Settings configurations
    • Taking system snapshots

    VMware vSphere Benefits

    Some of the benefits of using VMware vSphere include: 

    • Reduced costs: Since VMware applications are run on a server, it is not necessary to spend large amounts of your organization’s money on hardware, software, and infrastructure.
    • Increased productivity and customer satisfaction: VMware is able to operate multiple complex processes simultaneously. With all your applications being managed and run on the cloud, downtime, failures, and application errors are rare. VMware easily scales up and down to meet your computing needs. The high availability that VMware provides allows your IT staff to focus on other issues and keeps your customers satisfied with the service they receive.
    • Unlimited access to your VMs: VMware’s user-friendly cloud-based interface allows any employee to work from any location at any time.
    • Enhanced security: VMware’s security tools deliver full visibility into your entire system. This keeps your applications and data more secure, in any type of environment. VMware provides multiple protective tools including antiviruses and anti-malware, as well as backup and recovery services.

    VMware vSphere Features

    Below is a list of some of VMware vSphere’s key features:

    • Transferable virtual machine images: Export and import virtual machine images from your local environment. This gives users the ability to set up and configure their systems locally and only upload them to the server once everything is working properly. VM images can be moved back and forth between vendors, ensuring that your company is never tied up to a specific cloud vendor.
    • User-friendly interface: Using VMware’s intuitive console, you can easily create, manage, share, and deploy virtual machines.
    • API integration: VMware’s APIs support integration with third-party applications for data protection, multipathing, and disk array solutions.
    • Distributed power management: Automate efficiency by continuously optimizing server power consumption within each cluster.

    Reviews from Real Users

    VMware vSphere stands out among its competitors for a number of reasons. A few major ones are its virtualization abilities, its flexibility and availability, and its user-friendly interface.

    Felix D., an Automation project administrator, DCS, I&E at Centennial Cayman Corp, writes, “The connectivity is fantastic, and many functions can run together in one server. If you need to scale, we can continue to add components or modules. It's a beautiful virtual solution that has many advantages over physical hardware, where you have to use devices and wiring to connect all your projects.”

    Sample Customers
    MediaWiki, Wikimedia Foundation, Wikipedia, Wikivoyage, Wikidata, Wikiversity, Commons
    Ambulance Victoria, Australian Finance Group (AFG), Avnet Technology Solutions, CERN, cloudKleyer, Danish Tax Authority (SKAT), Data Intensity, Dubai World, Engineers Australia, Enkitec, Groupe FLO, Guerra S.A. Implemento, s Rodovišrios, Interactive One, IT Convergence, Jesta Digital, Johns Hopkins University Applied Physics Laboratory, KT, Kyoto Prefecture, Lawrence Livermore National Laboratory / National Ignition Facility, Multinet Pakistan, National Australia Bank (NAB), Navis LLC, Overhead Door, Overstock.com, Paragon Data, Parks Victoria, Pella, Sunway Shared Services, St. Louis Metro, Terminales Ro de la Plata S.A., University of Massachusetts, Versace,
    Abu Dhabi Ports Company, ACS, AIA New Zealand, Consona, Corporate Express, CS Energy, and Digiweb.
    Top Industries
    REVIEWERS
    Computer Software Company25%
    Manufacturing Company13%
    Financial Services Firm13%
    Aerospace/Defense Firm13%
    VISITORS READING REVIEWS
    Computer Software Company16%
    Comms Service Provider11%
    Financial Services Firm8%
    Government8%
    REVIEWERS
    Computer Software Company18%
    Financial Services Firm15%
    Consumer Goods Company8%
    Retailer8%
    VISITORS READING REVIEWS
    Educational Organization45%
    Computer Software Company9%
    Financial Services Firm6%
    Government5%
    REVIEWERS
    Financial Services Firm13%
    Energy/Utilities Company10%
    Manufacturing Company7%
    Computer Software Company6%
    VISITORS READING REVIEWS
    Educational Organization26%
    Computer Software Company12%
    Financial Services Firm7%
    Government7%
    Company Size
    REVIEWERS
    Small Business54%
    Midsize Enterprise15%
    Large Enterprise32%
    VISITORS READING REVIEWS
    Small Business26%
    Midsize Enterprise18%
    Large Enterprise56%
    REVIEWERS
    Small Business35%
    Midsize Enterprise23%
    Large Enterprise42%
    VISITORS READING REVIEWS
    Small Business15%
    Midsize Enterprise52%
    Large Enterprise34%
    REVIEWERS
    Small Business30%
    Midsize Enterprise25%
    Large Enterprise45%
    VISITORS READING REVIEWS
    Small Business20%
    Midsize Enterprise34%
    Large Enterprise46%
    Buyer's Guide
    Server Virtualization Software
    April 2024
    Find out what your peers are saying about Proxmox, VMware, Microsoft and others in Server Virtualization Software. Updated: April 2024.
    768,740 professionals have used our research since 2012.