VPS vs dedicated server

A dedicated server is an entire physical machine rented to one customer. A VPS is a virtualized slice of a physical machine, isolated from the other slices on the same hardware. Both give you full root or Administrator access and a server of your own. The difference is whether you're renting the whole machine or a portion of one, and what that implies for performance, cost, and how easily the server can be managed, backed up, and replaced.

What each is#

• A dedicated server is a single physical computer with all of its hardware allocated to you. There's no hypervisor and no other tenant. You get the full, raw performance of the hardware and complete physical isolation.

• A VPS runs on a physical host alongside other VPSes, divided up by a virtualization layer (the hypervisor). Each VPS has its own operating system and its allocated share of the host's resources, isolated from its neighbours. See What is a VPS?.

Where a dedicated server is stronger#

• Raw performance. With no virtualization layer and no neighbours, a dedicated server gives you the machine's full performance. For a workload that needs every bit of a large machine continuously, that ceiling is higher than a slice of one.
• Hardware control. You can specify particular hardware, more disks or specialized components, and use the full physical resources directly.
• Physical isolation. Being the only tenant can matter for certain compliance or single-tenancy requirements.
• Cost at scale. When you genuinely need a whole machine's worth of resources around the clock, renting it outright can be more economical per unit of raw resource than an equivalent slice.

Where a VPS is stronger#

Virtualization gives a VPS a set of operational advantages that a physical machine can't match easily:

• Reinstalling is near-instant. Wiping and reinstalling the OS on a VPS takes seconds to a couple of minutes, because it's software provisioning an image rather than someone re-imaging physical hardware.
• Backups and snapshots are simple. The whole server can be captured as an image and restored the same way, because it's already a virtual machine. Imaging a physical box is more involved.
• Migrating is easy. Because a VPS is an image, moving it to a different host or a new server is straightforward compared to migrating a physical machine.
• Replacing is fast. If something goes wrong, a VPS can be rebuilt or restored onto healthy hardware in minutes. A failed dedicated server waits on hardware repair or replacement.
• Provisioning is fast. A new VPS is ready in minutes; a dedicated server can take hours or longer to provision.
• Resizing is flexible. You can scale a VPS up or down without physically changing hardware, and pay for only the fraction of a machine you actually need.
• Resilience to hardware failure. If a host's hardware fails, a VPS can be restored or moved to other hardware. On a dedicated server, its own hardware failing means downtime until it's fixed.

When each makes sense#

A dedicated server makes sense when:

• you need the full, uninterrupted performance of an entire machine,
• you require specific or specialized hardware,
• single-tenancy is a hard requirement,
• your resource use is high and constant enough that a whole machine is justified.

A VPS makes sense when:

• your workload fits comfortably within a portion of a machine, as most do,
• you value agility: fast provisioning, easy resizing, simple backups, quick recovery,
• you want to pay for only the resources you need,
• easy replacement and migration matter more than squeezing out the last of the raw hardware.

For how a virtual server's storage and billing compare to the cloud model, see VPS vs cloud server.

Questions before you order? You can open a ticket, and we typically reply within minutes.

Related questions#

• "What's the difference between a VPS and a dedicated server?"
• "When do I need a dedicated server instead of a VPS?"
• "Is a dedicated server faster than a VPS?"
• "Why is a VPS easier to back up or migrate?"
• "What happens if the hardware fails?"
• "Is a dedicated server worth it?"