KVM vs Oracle VM VirtualBox 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
32,322 views|21,858 comparisons
91% 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 VirtualBox, 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).
769,236 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 simple.""This solution is open source and easy to configure.""Our production servers are running in Linux, and this solution supports that environment well.""The GUI interface makes the management of KVM easier than ever before.""The product's scalability is good...It's a very stable product.""The KVM service is well managed with a central policy interface.""I like that it's easy to manage. It's also more powerful when it comes to security than others. That point of view is the one consideration. The other consideration is that it's cost-effective.""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."

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"The solution has high performance and is easy to use.""This solution can be used on many different platforms including Windows and Linux.""Oracle VM Virtualbox is easy to use and does not require much training.""The most valuable feature is the ability to copy bidirectionally between the desktop and the virtual machine.""I like that Oracle VM is safe and stable. It is also very easy to administer. For example, opening a VM or adding a host adapter is extremely easy.""It is a stable product.""Technical support is good.""The most valuable feature of the solution is that there is no cost because it is open source."

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"With the current compliance options that I have to go through, it's very nice to have a lot of the encryption built in. It checks a lot of boxes for the federal level so I don't have to either bolt something on or have something on top of it. Having it native and integrated into the system makes things much easier.""The enterprise direction is very complete and the data center provides almost everything you need.""We don't have any downtime because it was built right.""This product is useful for running multiple virtual machines from a single server so that people can utilize the hardware resources in their organization. Its ability for backups is also valuable. In case of a disaster, you can recover the entire server from the images. It is easy to use. In terms of features, whatever they are providing is more than sufficient for us. We are not exploiting this product up to a hundred percent.""Its stability and manageability are valuable.""The solution is also very simple and efficient to manage. Features that have made it simple and easy to manage include the newer VAMI for the V-center appliance, it's very easy to see what version we are at, and very easy to upgrade to the next version. The fact that we can now use VCHA at the appliance level just decreases our chance of having an outage because so many of our customers rely on the API interface for V-center.""The stability of the solution is excellent.""The solution is scalable."

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Cons
"I have encountered difficulties in getting the tool's documentation.""The solution’s user interface could be improved and made more user-friendly.""The initial setup of this solution is more difficult than some of the competing products and it could be improved.""The KVM tech support is really bad. They are not very responsive.""One problem I have is that it's not very scalable when it comes to resizing the VM disk dimensions. For example, if you have initially set a virtual drive to 10 GB and you want to upgrade it to 15 GB, it's not that easy.""We still occasionally build Interlaced Wireless Protection within our environment. The ecosystem entails areas, where we support agents, and release backup and security solutions. Collaboration with independent software vendors (ITOLs or ITOLED) is necessary to offer these solutions to customers. However, the scope of the ecosystem in KVM is not as extensive as that of VMware's. In contrast, VMware boasts a robust partner network, allowing for comprehensive customer solutions. On the other hand, KVM’s ecosystem is comparatively limited in comparison. I would like to see FT features in KVM.""The solution should be more user friendly. We are struggling with the command lines.""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."

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"The solution needs to improve its flexibility. It's not as flexible as VMware.""The installation is difficult and could be improved.""The memory and hardware usage could be a little bit lighter. Right now, it's quite heavy on the usage. The CPU usage should be lower.""They could improve the graphics functionality of the product.""It has some issues when you have some weird device drivers. For instance, when you have a weird sound driver working on your machine, and the VirtualBox needs to output the sound of the virtual machine into the sound driver of the physical machine, the bare metal, it doesn't work too well. If you tweak lots of drivers and play around with the different kinds of drivers and machines, you will probably break something. I have not played with it too much and maybe it already supports it, but it would probably be good to have the ability to use a container from the virtual machine environment instead of spinning off a complete virtual machine. There are other tools for that. On Linux, you have a DXE, LXC framework, and you have Docker as well. Docker is good because it is multi-platform, and you can run Docker on pretty much anything, even different processors, but it would be good if we had a VirtualBox running on it while spinning off containers instead of full virtual machines. The other thing that will become important, and I'm pretty sure that they are thinking about it as well is that there's this new hardware platform that Apple is releasing, which is an ARM-based new chip. So, VirtualBox will probably have to work on ARM-based CPUs as well.""The solution lacks some open source remote administration tools. The reload of individual virtual machine definitions through the vboxweb service (via its API) without restarting it and the access to shared storage (to use teleport functions) need to be improved.""One valuable feature would be for it to work right the first time but it doesn't necessarily do that.""Having live migrations to move a running server to other hardware would be great."

More Oracle VM VirtualBox Cons →

"I would like to see improvements in simplifying automation, cloud native deployment, administration, and fault resolution.""I feel that the scalability of the solution should be improved.""The support for the latest version could be improved.""The cost can be better.""We have had some problems setting up the monitoring with vSphere. The process could be simplified.""The price could be better. The licensing is definitely expensive and tech support is sometimes frustrating.""An improvement could be in terms of keeping up with the upgrades. The upgrades could be set in an automated way so that the newer features don't require you to manually update, or you get an option to update automatically. This would be a useful enhancement.""We would like to see the container-based operating system launched soon for this solution."

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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 →

  • "It is a very cost-effective solution."
  • "Pricing does not apply for us, we do not have to pay for the service."
  • "The product is free to use."
  • "Everything is free within limitations. Once you go over a certain level of usage you have to license the product."
  • "It is pretty good for the price, which is free."
  • "This is an open-source product and it can be used free of charge."
  • "There are no licensing fees."
  • "The license I use is free."
  • More Oracle VM VirtualBox 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:KVM is easy to use, stable and flexible. It is mature and very fast. It is an affordable open-source solution that is… more »
    Top Answer:The product’s most valuable feature is the ability to manage multiple operating systems through one application.
    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
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    34,487
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    25,688
    Reviews
    15
    Average Words per Review
    435
    Rating
    8.2
    Views
    32,322
    Comparisons
    21,858
    Reviews
    10
    Average Words per Review
    356
    Rating
    8.4
    Views
    43,607
    Comparisons
    36,031
    Reviews
    17
    Average Words per Review
    406
    Rating
    8.6
    Comparisons
    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 VirtualBox is a robust AMD64/Intel64 and x86 next-generation virtualization solution that functions well for home use and is also powerful enough to handle the needs of a busy enterprise organization. This professional solution is open source and provides super-fast high performance in addition to many outstanding value-added features. VirtualBox functions effectively on Windows, macOS, Solaris, Linux, and more. Users can benefit from VirtualBox's dedication to continually developing the product and providing continual progressive updates and releases. The solution is supported by a trusted dedicated professional community and is backed by Oracle, which guarantees that the product is able to consistently meet and exceed quality controls and protocols at all times.

    Oracle VM VirtualBox Features

    Oracle VM Virtual Box provides many value-added features.  Some of these features include:

    • Consolidation: Oracle VM VirtualBox makes it easy for users to seamlessly run numerous virtual machines on a small number of hosts and will also facilitate comprehensive balancing of the loads between VMs. This helps to minimize and consolidate the hardware needed throughout the organization.
    • Diagnostics: VirtualBox provides excellent testing and disaster recovery. Users can use the virtual hard disk like a container. This container can be copied, frozen, backed up, or transported between hosts. Using the virtual machines (VMs), users can easily test multi-node network services for any networking, software configuration, or operating system issues.
    • Snapshots: Using snapshots, users are able to save or freeze a specific state of a VM and choose to revert back to the protected state if/when they desire. Users are able to make changes or experiment within the computing space. Should a problem arise, users can revert back to the selected snapshot; this makes the need for frequent backups and restores unnecessary.
    • Flexibility: The solution makes it easy to run different operating systems (OSes) at the same time. Users can run software designed for one OS on another OS. For example, users can easily run Windows on a MAC and not have to perform a reboot. As users can configure the kinds of virtual hardware to be presented with each OS, there is greater flexibility on which OS can be selected, and users can even choose older OSes or ones that are not currently supported by the original OS.
    • Cost-effective: Virtualization with Oracle VM VirtualBox enables users to considerably minimize overall costs by reducing the amount of hardware needed and the associated expenses of running the physical machines throughout an organization. This tremendous cost savings results in ROI being achieved in a very short period of time.

    Reviews from Real Users

    “Oracle VM VirtualBox is easy to use and does not require much training. It uses fewer resources. Teams using new operating system releases can quickly test and implement. This would make the development of new software releases faster and easier. It also helps users to write the program, test, and support it on multiple platforms. It has a good community as it is open-source.” - Satishbabu G., Oracle ACE

    “It is easy to use and does not require complex knowledge. It uses less resources, which is a requirement as it is used to onboard hardware with very little resources available.” - A PeerSpot user who is an IT Architect - AI at CGI

    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
    Airbus, Colorado State University, SCS Africa, Wolf Medical Systems.
    Abu Dhabi Ports Company, ACS, AIA New Zealand, Consona, Corporate Express, CS Energy, and Digiweb.
    Top Industries
    REVIEWERS
    Computer Software Company25%
    Aerospace/Defense Firm13%
    Financial Services Firm13%
    Manufacturing Company13%
    VISITORS READING REVIEWS
    Computer Software Company16%
    Comms Service Provider11%
    Financial Services Firm8%
    Government8%
    REVIEWERS
    Financial Services Firm16%
    University13%
    Manufacturing Company10%
    Computer Software Company10%
    VISITORS READING REVIEWS
    Computer Software Company15%
    Comms Service Provider11%
    Educational Organization8%
    Government8%
    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 Business48%
    Midsize Enterprise29%
    Large Enterprise24%
    VISITORS READING REVIEWS
    Small Business25%
    Midsize Enterprise17%
    Large Enterprise58%
    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.
    769,236 professionals have used our research since 2012.