CPU Comparison
Intel Xeon 6546P-B vs Intel Xeon 6563P-B
A side-by-side comparison of specs, performance and value. A 32-core, single-socket server SoC in the Xeon 6 lineup built on Intel 3, with 128 MB of L3 cache, DDR5-6400 support, 48 PCIe lanes (Gen 5/4), and integrated accelerators (QAT, DSA, DLB) and vRAN Boost for edge and communications workloads.
The Bottom Line
Overview & Launch
Specifications Compared
Specialized Performance
AI / ML
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- Lacks dedicated NPUs; suitable for CPU-based inference only
- AI throughput depends heavily on software optimizations and attached accelerators
Content Creation
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Gaming
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- No integrated graphics
- Server-focused platform and cooling requirements
- Gaming-oriented CPUs provide far better price/performance
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 38 performance cores with 76 threads
- DDR5-6400 support across four channels
- PCIe Gen 5 and Gen 4 lanes for flexible I/O
- ECC memory support for server reliability
- SoC integration suited for edge appliances
Cons
- No integrated graphics
- High 235 W TDP requires robust cooling
- BGA package is not socket-upgradable
- Multiplier locked, no enthusiast overclocking
- Market-focused; overkill and overpriced for typical desktop usage
Competitors & Alternatives
Intel Xeon 6563P-B
- AMD EPYC 8004 seriesRival
Server
- AMD EPYC 9004 seriesRival
Server
Similar platform with lower core count and TDP for lighter workloads.
Compare head-to-head- Intel Xeon E-2400 seriesAlt
Prior-generation entry server parts with DDR4 and lower cost.
- AMD EPYC 8534PAlt
High core count with PCIe 5 and DDR5 in a socketed server platform.
- AMD Ryzen Threadripper 7000Alt
Workstation-class performance with more consumer-friendly platform features.
- Intel Xeon Gold 6538NAlt
Higher-end socketed Xeon with more memory channels for scale-out servers.
Our Verdict on Each
A capable, accelerator-rich single-socket server CPU targeted at communications and edge deployments; its value depends on your workload's use of QAT, DSA, DLB and AMX, otherwise it may be overkill versus lighter Xeon 6 SKUs.
Read the full reviewA strong 38-core SoC with modern I/O and DDR5, ideal for dense edge and single-socket entry servers; not for gaming due to lack of integrated graphics and high TDP.
Best for: Edge server or entry-server appliance needing modern I/O and many cores in a compact single-socket design
Read the full reviewFrequently Asked Questions
Which uses less power?
The Intel Xeon 6546P-B has the lowest rated TDP. Power draw across these chips: Intel Xeon 6546P-B (195 W), Intel Xeon 6563P-B (235 W).
Do Intel Xeon 6546P-B and Intel Xeon 6563P-B use the same socket?
Yes — all of these CPUs use the FCBGA4368 socket, so they share compatible motherboards.
Which has more cores?
The Intel Xeon 6563P-B has the most cores. Core counts: Intel Xeon 6546P-B (32 cores), Intel Xeon 6563P-B (38 cores).