Intel Xeon W5-2455X
Expert rating8 / 10
- Brand:
- Intel
- Form Factor:
- Server & Enthusiast
- CPU Socket:
- LGA 4677
- Core/Thread Count:
- 12C/24T
- TDP:
- 200W
- iGPU:
- None
- CPU Series:
- Xeon W5
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Manufacturer: Intel Last updated: 2026-09-12
Intel Xeon W5-2455X Review
Intel Xeon W5-2455X 12-core 24-thread workstation processor, 3.2GHz base / 4.6GHz boost, 200W TDP, Sapphire Rapids, LGA 4677 socket
The Intel Xeon W5-2455X is a high-end workstation processor for professional content creation, simulation, and rendering workloads. It pairs 12 cores and 24 threads with a 3.2GHz base clock that boosts up to 4.6GHz and None graphics, all within a 200W envelope.
Performance and Architecture
With 12 cores and 24 threads, the Intel Xeon W5-2455X runs a 3.2GHz base clock that boosts up to 4.6GHz, backed by 30MB of L3 cache and None graphics on the Sapphire Rapids architecture.
Platform and Deployment
The Intel Xeon W5-2455X uses the LGA 4677 platform in a 200W envelope, positioned as a high-end workstation processor for professional content creation, simulation, and rendering workloads..
Comparison to Alternatives
Within the Xeon W5 lineup in this catalog, the Intel Xeon W5-2455X sits at the 12-core tier, differentiated mainly by clock speed, TDP, and socket from its closest siblings. Against AMD's Threadripper workstation processors in this catalog at a similar tier, the Intel Xeon W5-2455X competes on platform ecosystem and per-core efficiency, while against Intel's own Xeon Scalable server parts in this catalog it occupies a narrower, more specialized deployment niche.
Specifications
Identity
| Product Line | Xeon |
|---|---|
| Codename | Sapphire Rapids |
| Release Year | 2023 |
Segment and platform
| Market Segment | Workstation |
|---|---|
| Microarchitecture | Sapphire Rapids |
| Socket | LGA4677 |
| Socket Status | Current |
| Process Node | 10 nm |
Core configuration
| Total Cores | 12 |
|---|---|
| Performance Cores | 12 |
| Efficiency Cores | 0 |
| Total Threads | 24 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 3.2 GHz |
|---|---|
| P-Core Boost Clock | 4.6 GHz |
| Unlocked Multiplier | Yes |
Cache
| L3 Cache | 30 MB |
|---|
Power and thermal
| Base Power | 200 W |
|---|
Memory
| Memory Type | DDR5 |
|---|---|
| Memory Channels | 4 |
| Max Memory Capacity | 1024 GB |
| ECC Support | Yes |
Graphics and AI
| Integrated Graphics | No |
|---|
Expansion
| PCIe Generation | PCIe 5.0 |
|---|---|
| PCIe Lanes | 64 |
| TDP | 200 W |
|---|---|
| iGPU | None |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8 / 10
The Intel Xeon W5-2455X is a high-core-count workstation chip, built for professional rendering, simulation, and CAD workloads.
Best for
- Professional workstations
- 3D rendering and simulation
- CAD and content creation
Not for
- Laptops
- Gaming desktops
- Battery-powered devices
FAQs
What are the key specifications of the Intel Xeon W5-2455X?
The Intel Xeon W5-2455X is a processor from Intel. Key specs: Cores 12, Threads 24, Base Clock 3.2 GHz, Boost Clock 4.6 GHz, L3 Cache 30.
Will the Intel Xeon W5-2455X work with my current setup?
The Intel Xeon W5-2455X lists Socket is LGA 4677. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Intel Xeon W5-2455X best suited to?
It suits professional workstations, 3d rendering and simulation, cad and content creation.
What are the drawbacks of the Intel Xeon W5-2455X?
It is a poor fit for laptops, gaming desktops, battery-powered devices.