Intel® Xeon® Platinum 8158 Processor

Key Specs & Features

• Cores / Threads: 12 cores / 24 threads. 
• Base Clock Speed: 3.00 GHz. 
• Turbo / Max Clock Speed: Up to 3.70 GHz (single-core boost under load). 
• Cache: 24.75 MB L3 Smart Cache. 
• Socket / Platform: FCLGA3647 — part of the 1st-generation “Skylake-SP / Xeon Scalable” platform. 
• Memory Support: DDR4-2666, 6-channel memory, ECC supported, up to 768 GB. 
• PCIe / Expansion Lanes: PCIe 3.0, up to 48 lanes — suitable for NVMe drives, GPUs/accelerators, expansion cards. 
• Thermal Design Power (TDP): 150 W. 
• Instruction-set / Features: Includes server-grade features: virtualization (VT-x / VT-d), Hyper-Threading, AVX, AVX2, AVX-512, AES-NI, TSX-NI, advanced RAS/enterprise reliability features. 
• Scalability: Supports multi-socket (up to 8-socket) configurations (Scalable platform) — good for building large servers or clusters. 
• Status: Launched Q3 2017; now listed as “Discontinued / End of Servicing Updates.” 

What It’s Good For — Use Cases & Strengths

Because of its balanced core-count, good clock speed, and enterprise-class features, Xeon Platinum 8158 is well suited for:

• Servers / Backend Infrastructure: Web servers, application servers, API servers, caching servers — good for workloads needing a mix of multi-core throughput and decent per-core performance.
• Virtualization / Hypervisor Hosts: 12 cores / 24 threads + ECC + large memory support + PCIe lanes — capable of running multiple VMs or containers reliably.
• Medium to Large Databases & Data Workloads: Good for relational or NoSQL databases, caching systems, data-processing, and backend services where reliability and memory bandwidth matter.
• Compute-heavy Workloads (but moderate parallelism): Tasks such as compilation, rendering, data processing, simulation, or scientific workloads — especially those benefiting from high per-core speed along with multi-threading.
• Enterprise / Business Servers with Expansion: With many PCIe lanes and high memory support, it's suitable for storage servers, I/O-heavy workloads, multi-disk/NVMe configurations, and future-proofing via expandability.
• Balanced Performance vs Cost/Power: Compared to very high-core count Xeons, 8158 offers a reasonable balance of performance, power (150 W), and heat — possibly more efficient for mid-range server workloads rather than always pushing max cores.

Because of its 3.0 GHz base clock and reasonable core count, 8158 can perform better than many lower-end server CPUs for workloads that need decent single-core responsiveness and multi-thread capability.