Choosing between a dedicated server and a VPS is one of the most common decisions in web hosting. Both give you more control and performance than shared hosting — but they are fundamentally different products. This guide breaks down the differences so you can choose with confidence.
What Is a VPS?
A VPS (Virtual Private Server) uses software — typically KVM or VMware — to partition a single physical server into multiple isolated virtual machines. Each VPS gets a guaranteed slice of CPU, RAM and storage, but all VPS instances on the machine share the same underlying hardware.
What Is a Dedicated Server?
A dedicated server is a physical machine allocated entirely to you. There is no virtualisation layer, no shared hardware, and no neighbours. You get the full power of the machine — every CPU core, every gigabyte of RAM, every IOPS of storage.
Head-to-Head Comparison
| Feature | VPS | Dedicated Server |
|---|---|---|
| Hardware | Shared physical machine | 100% yours |
| Performance | Good, with some overhead | Maximum — bare metal |
| CPU consistency | Variable under load | Guaranteed |
| RAM | Allocated slice | All of it |
| Storage IOPS | Shared disk | Full disk speed |
| Root access | Yes | Yes |
| Customisation | OS-level | Full hardware + OS |
| Setup time | Instant | Minutes with OVHSAS |
| Cost | Lower | Higher |
| Best for | Small to medium workloads | High-traffic, high-compute |
Performance: Dedicated Wins
On a VPS, other tenants on the same physical host can affect your performance — a phenomenon known as the “noisy neighbour” effect. On a dedicated server, this simply does not exist. Every CPU cycle, every MB of RAM, every MB/s of disk throughput is yours.
For workloads that demand consistent, predictable performance — databases, game servers, trading platforms, rendering jobs — a dedicated server is the clear winner.
Cost: VPS Wins for Entry-Level
VPS hosting starts cheaper because you are sharing hardware costs with others. OVHSAS VPS plans start from under £15/month, while dedicated servers start from around £20/month.
However, as your resource needs grow, the cost gap narrows significantly. A high-spec VPS often costs more than an entry-level dedicated server with better actual performance.
Security and Isolation
Both VPS and dedicated servers are far more secure than shared hosting. However:
- A VPS shares a physical machine with other tenants — a hypervisor vulnerability could theoretically affect all VMs on that host
- A dedicated server offers complete hardware isolation — no other customer is on your machine
For industries handling sensitive data — finance, healthcare, legal — dedicated servers are the preferred choice.
When to Choose a VPS
- You are starting out and have moderate traffic
- You want to host a few websites or a small application
- Budget is a primary concern
- You need quick, flexible scaling
When to Choose a Dedicated Server
- You run high-traffic websites or applications
- You need consistent CPU performance for databases or compute jobs
- You are hosting game servers or low-latency applications
- You run multiple client sites as an agency or reseller
- Security and compliance require full hardware isolation
- Your workload has outgrown VPS performance
OVHSAS: Dedicated Servers and VPS from Digitalberg
At OVHSAS, powered by Digitalberg, we offer both VPS and dedicated servers so you can start where you need to and scale as you grow.
Our dedicated servers feature Intel Xeon, AMD Ryzen and AMD Threadripper processors, NVMe SSD storage, 1Gbit unmetered bandwidth, and free DDoS protection — all with zero setup fees and a 99.99% uptime SLA.
See all OVHSAS server plans and find the right fit for your workload today.