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| Product Collection | Xeon Platinum |
|---|---|
| Processor Number | 8158 |
| Total Cores | 12 |
| Total Threads | 24 |
| Max Turbo Frequency | 3.7 GHz |
| Processor Base Frequency | 3.0 GHz |
| Cache | 24.75 MB |
| UPI Speed | 10.4 GT/s |
| Max Memory Speed | 2666 MHz |
| Max Memory Size | 768 GB |
| Memory Types | DDR4-2666 |
| Max # of Memory Channels | 6 |
| PCI Express Revision | 3.0 |
| PCI Express Configurations | x4, x8, x16 |
| Max # of PCI Express Lanes | 48 |
| Intel Optane Persistent Memory Support | Yes |
| Intel Speed Shift Technology | Yes |
| Intel Turbo Boost Technology | 2.0 |
| Intel Hyper-Threading Technology | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Instruction Set | 64-bit |
| Instruction Set Extensions | SSE4.2, AVX, AVX2, AVX-512 |
| Thermal Solution Specification | 85°C |
| Max Thermal Design Power (TDP) | 150 W |
| Compatible Chipset(s) | Intel C620 Series |
| Package Size | 76.0mm x 56.5mm |
| Sockets Supported | FCLGA3647 |
| Intel vPro Technology | No |
| Intel Trusted Execution Technology | Yes |
| Status | Launched |
| Launch Date | Q3'17 |
| Lithography | 14 nm |
Engineer's Note: The Intel Xeon Platinum 8158 pairs 12 cores / 24 threads with a 3.0 GHz base clock that boosts to 3.7 GHz on demand and 24.75 MB of on-die cache, making it a drop-in candidate for consolidated multi-tenant platforms. Positioned as the top tier of Intel's Scalable lineup, built for maximum throughput and platform reliability, it is built for sustained multi-user workloads.
1. 12 cores / 24 threads: hardware multi-threading lets each physical core run two instruction streams, so concurrent workloads — consolidated multi-tenant platforms — share the die without context-switch overhead. When you size licenses or plan VM placement, thread count is the number the scheduler actually sees.
2. Memory platform on the Intel Xeon Platinum 8158: support for DDR4-2666, up to 768 GB of RAM, 6 memory channels. This is the headroom in-memory databases and dense VM farms need — capacity for growth, bandwidth for the data streams in between.
3. 24.75 MB of shared cache: a large last-level cache keeps hot working sets on-die, cutting memory round-trips for databases and compilers. Fewer main-memory accesses translate directly into lower average latency and better tail performance under load — often the difference you feel before any benchmark confirms it.
4. 3.0 GHz base / 3.7 GHz turbo: the frequency governor drops light threads onto boosted cores, so single-threaded paths (license checks, stored procedures, log processing) finish fast while background jobs keep the remaining cores saturated. The result is responsive interactive performance without sacrificing aggregate throughput.
5. Platform positioning: the Intel Xeon Platinum 8158 belongs to the top tier of Intel's Scalable lineup, built for maximum throughput and platform reliability, which sets expectations for what it should and should not run. Match the tier to the workload — over-provisioning wastes budget, under-provisioning burns weekends.
When you spec out consolidated multi-tenant platforms, the Intel Xeon Platinum 8158 turns architectural decisions into predictable outcomes. Its 12-core layout sizes the node for expected concurrency, the 3.7 GHz turbo headroom keeps interactive paths responsive, and 768 GB of addressable memory gives the platform room to grow. Every unit passes functional testing before shipment, and our bulk-pricing desk keeps multi-socket refresh projects inside budget.
Q: What workloads suit 12-core processors best?
A: With 12 cores / 24 threads, this processor is sized for multi-threaded server workloads: virtualization hosts, database servers, and application consolidation. Single-threaded-light environments (file servers, internal tools) will leave headroom unused.
Q: Is the Intel Xeon Platinum 8158 compatible with my server?
A: The Intel Xeon Platinum 8158 uses the platform-standard socket. Verify your board's supported processor list before purchase. Our team can confirm compatibility if you share your server model.
Q: Is it new or refurbished? What warranty applies?
A: We offer both new and tested refurbished units — the condition is shown on each listing. All processors include a one-year warranty and pass functional testing (boot, memory controller, all cores) before dispatch.
Q: What memory does it require?
A: The platform supports DDR4-2666. Use ECC registered memory (RDIMM/LRDIMM) — desktop UDIMMs are not compatible with Xeon sockets. Faster modules will downclock to the processor's rated speed.
Q: What is the thermal design power?
A: The TDP is listed in the specifications table. It stays within standard server cooling envelopes for the platform generation.
