Overview
The Intel Xeon Gold 6258R is a high-core-count processor in the 2nd-Generation Intel Xeon Scalable (Cascade Lake Refresh) family. With 28 cores and 56 threads, it provides exceptional multi-threaded performance while maintaining strong per-core frequency, making it ideal for virtualization, cloud computing, high-performance computing, databases, and large-scale enterprise applications.
Built on the 14nm Cascade Lake architecture, the 6258R supports six-channel DDR4-2933 memory, AVX-512 acceleration, Intel Deep Learning Boost, and enterprise-class RAS features. Its dual-socket scalability and 205 W TDP allow it to deliver sustained performance in demanding server deployments.
Key Features
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28 cores / 56 threads for high multi-threaded throughput
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2.70 GHz base frequency and up to 4.00 GHz turbo for responsive workloads
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38.5 MB L3 cache for fast data access
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Six-channel DDR4-2933 memory for high bandwidth
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205 W TDP suitable for dual-socket servers
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AVX-512 and Intel Deep Learning Boost for compute and AI workloads
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Enterprise-grade RAS and virtualization support
Full Specification Table
| Parameter | Specification |
|---|---|
| Product family | 2nd-Generation Intel Xeon Scalable (Cascade Lake Refresh) |
| Processor model | Intel Xeon Gold 6258R |
| Cores / Threads | 28 / 56 |
| Base frequency | 2.70 GHz |
| Max turbo frequency | 4.00 GHz |
| L3 cache | 38.5 MB |
| Lithography | 14 nm |
| Socket | FCLGA3647 |
| TDP | 205 W |
| Memory type | DDR4-2933 (ECC supported) |
| Memory channels | 6 |
| Max memory capacity | Platform dependent (commonly up to 1 TB per CPU) |
| PCIe support | PCIe 3.0, up to 48 lanes (platform dependent) |
| UPI links | 2 |
| Max CPU configuration | Dual-socket |
| Instruction set | 64-bit |
| Instruction extensions | AVX, AVX2, AVX-512, AES-NI, Intel DL Boost |
| Virtualization support | Intel VT-x, VT-d, EPT |
| Reliability & security | ECC memory, enterprise RAS features |
| Target applications | Virtualization, cloud servers, databases, analytics, HPC |
Architecture Highlights
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Built on Cascade Lake Refresh microarchitecture optimized for enterprise-class multi-threaded workloads.
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Six memory channels provide strong memory bandwidth for database, analytics, and in-memory workloads.
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AVX-512 and Intel Deep Learning Boost accelerate vectorized computation and AI inference.
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Enterprise-grade RAS and virtualization support ensure high availability and reliability in production environments.
Performance Positioning & Recommended Workloads
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Virtualization & Cloud: Excellent for high VM density and low-latency virtual environments.
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Database & Analytics: Large L3 cache and memory channels optimize OLTP, OLAP, and big data processing.
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High-Performance Computing (HPC): AVX-512 accelerates simulation, engineering, and scientific workloads.
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Enterprise Applications: Suitable for ERP, CRM, financial systems, and latency-sensitive workloads requiring high core count and throughput.
Pros & Cons
Pros
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High core and thread count for multi-threaded applications
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Strong memory bandwidth and L3 cache
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AVX-512 and Deep Learning Boost for compute and AI acceleration
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Enterprise-grade reliability, scalability, and dual-socket support
Cons
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High TDP (205 W) requires robust cooling and power planning
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PCIe 3.0 may limit bandwidth for next-generation accelerators
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Based on 14 nm architecture; newer Xeon models offer PCIe 4.0/5.0 and improved efficiency


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