Intel Xeon Gold 6238 Processor — Full Technical Overview
Overview
The Intel Xeon Gold 6238 is a powerful server-grade processor belonging to the 2nd Generation Intel Xeon Scalable family (Cascade Lake). Designed for data centers and enterprise environments, it offers an excellent balance of high core count, strong multi-threaded performance, and large memory capacity.
With 22 cores, 44 threads, and support for advanced instruction sets like AVX-512, this CPU is well-suited for compute-intensive applications such as virtualization, cloud infrastructure, database servers, analytics clusters, and HPC workloads.
Key Features
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22 cores and 44 threads for high-density parallel processing
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2.10 GHz base frequency optimized for scalable server workloads
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Up to 3.70 GHz max turbo frequency
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30.25 MB L3 cache for improved data access efficiency
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Six-channel DDR4 memory support up to 2933 MT/s
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Compatible with dual-socket (2S) server configurations
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Supports AVX-512, Intel DL Boost, and advanced RAS technologies
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Ideal for data-intensive tasks, large virtualized workloads, and enterprise-level applications
Detailed Specification Table
| Parameter | Specification |
|---|---|
| Product Family | 2nd Gen Intel Xeon Scalable (Cascade Lake) |
| Model | Xeon Gold 6238 |
| Cores | 22 |
| Threads | 44 |
| Base Frequency | 2.10 GHz |
| Max Turbo Frequency | 3.70 GHz |
| L3 Cache | 30.25 MB |
| Lithography | 14 nm |
| Socket | FCLGA3647 |
| TDP | 140 W |
| Memory Support | DDR4-2933 (ECC supported) |
| Memory Channels | 6 |
| Max Memory Capacity | Up to 1 TB per socket (platform dependent) |
| PCIe Version | PCIe 3.0 |
| PCIe Lanes | 48 |
| UPI Links | 3 |
| Max CPU Configuration | Dual Socket (2S) |
| Instruction Set | 64-bit |
| Instruction Extensions | AVX, AVX2, AVX-512, Intel DL Boost, AES-NI |
| Virtualization Technologies | Intel VT-x, VT-d, EPT |
| Reliability Features | ECC, RAS, Intel Run Sure Technology |
| Target Segment | Enterprise Servers / Data Centers |
Performance Analysis
1. Virtualization & Cloud Infrastructure
With 22 cores and 44 threads, the Xeon Gold 6238 excels in:
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Virtual machine hosting
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Cloud-native platforms
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Container clusters (Docker, Kubernetes)
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Multi-tenant environments
Its high thread count ensures excellent VM density and workload consolidation.
2. Database & Data Analytics
The large cache and six-channel memory architecture make it ideal for:
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Large transactional databases (OLTP)
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Data warehousing & analytics (OLAP)
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In-memory databases
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Distributed computing frameworks
3. High-Performance Computing (HPC)
The CPU’s AVX-512 support and high core count provide strong acceleration for:
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Scientific modeling
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Engineering simulations
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Machine learning inference
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Batch processing & rendering tasks
4. Enterprise Applications
It performs efficiently in multi-threaded enterprise workloads such as:
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ERP, CRM, and financial systems
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Web and application servers
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Virtual desktop infrastructures (VDI)
Advantages
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High core count ideal for parallel workloads
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Excellent virtualization and cloud performance
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Large memory capacity with six-channel DDR4
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Strong RAS capabilities for enterprise reliability
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AVX-512 acceleration for advanced compute workloads
Limitations
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Moderate clock speed compared to high-frequency models
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Based on 14 nm architecture
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PCIe 3.0 instead of more modern PCIe versions


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