Intel Xeon W5-3545X
Expert rating8 / 10
- Brand:
- Intel
- Form Factor:
- Server & Enthusiast
- CPU Socket:
- LGA 4677
- Core/Thread Count:
- 22C/44T
- TDP:
- 270W
- iGPU:
- None
- CPU Series:
- Xeon W5
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Manufacturer: Intel Last updated: 2026-09-12
Intel Xeon W5-3545X Review
Intel Xeon W5-3545X 22-core 44-thread workstation processor, 3.0GHz base / 4.8GHz boost, 270W TDP, Sapphire Rapids Refresh, LGA 4677 socket
The Intel Xeon W5-3545X is a high-end workstation processor for professional content creation, simulation, and rendering workloads. It pairs 22 cores and 44 threads with a 3.0GHz base clock that boosts up to 4.8GHz and None graphics, all within a 270W envelope.
Performance and Architecture
With 22 cores and 44 threads, the Intel Xeon W5-3545X runs a 3.0GHz base clock that boosts up to 4.8GHz, backed by 52.5MB of L3 cache and None graphics on the Sapphire Rapids Refresh architecture.
Platform and Deployment
The Intel Xeon W5-3545X uses the LGA 4677 platform in a 270W 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 W5-3545X sits at the 22-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 W5-3545X 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 Refresh |
| Release Year | 2024 |
Segment and platform
| Market Segment | Workstation |
|---|---|
| Microarchitecture | Sapphire Rapids Refresh |
| Socket | LGA4677 |
| Socket Status | Current |
| Process Node | 10 nm |
Core configuration
| Total Cores | 22 |
|---|---|
| Performance Cores | 22 |
| Efficiency Cores | 0 |
| Total Threads | 44 |
| SMT Enabled | Yes |
Clock speeds
| P-Core Base Clock | 3.0 GHz |
|---|---|
| P-Core Boost Clock | 4.8 GHz |
| Unlocked Multiplier | Yes |
Cache
| L3 Cache | 52.5 MB |
|---|
Power and thermal
| Base Power | 270 W |
|---|
Memory
| Memory Type | DDR5 |
|---|---|
| Memory Channels | 8 |
| Max Memory Capacity | 2048 GB |
| ECC Support | Yes |
Graphics and AI
| Integrated Graphics | No |
|---|
Expansion
| PCIe Generation | PCIe 5.0 |
|---|---|
| PCIe Lanes | 80 |
| TDP | 270 W |
|---|---|
| iGPU | None |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8 / 10
The Intel Xeon W5-3545X 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 W5-3545X?
The Intel Xeon W5-3545X is a processor from Intel. Key specs: Cores 22, Threads 44, Base Clock 3.0 GHz, Boost Clock 4.8 GHz, L3 Cache 52.5.
Will the Intel Xeon W5-3545X work with my current setup?
The Intel Xeon W5-3545X 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 W5-3545X best suited to?
It suits professional workstations, 3d rendering and simulation, cad and content creation.
What are the drawbacks of the Intel Xeon W5-3545X?
It is a poor fit for laptops, gaming desktops, battery-powered devices.