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| Product Collection | Xeon Platinum 8256 |
|---|---|
| Total Cores | 4 |
| Total Threads | 8 |
| Max Turbo Frequency | 3.90 GHz |
| Processor Base Frequency | 3.80 GHz |
| Cache | 16.5 MB |
| Bus Speed | 10.4 GT/s UPI |
| Max Memory Size | 1 TB |
| Memory Types | DDR4-2933 |
| Max # of Memory Channels | 6 |
| Max Memory Bandwidth | 140.8 GB/s |
| Thermal Design Power (TDP) | 105 W |
| Socket | FCLGA3647 |
| Chipset Support | Intel C62x Series |
| Instruction Set Extensions | Intel SSE4.2, AVX, AVX2, AVX-512 |
| Max CPU Configuration | 2 |
| Operating System Support | Windows Server, Linux, VMware |
| Virtualization Technology | Intel VT-x, Intel VT-d, Intel EPT |
| Status | Launched |
| Launch Date | Q2'19 |
| Instruction Set | 64-bit |
| Lithography | 14 nm |
| Max Thermal Design Power | 105 W |
| Min Thermal Design Power | 105 W |
| Scalability | 2S |
| Platinum Series Features | Advanced Reliability, Security & Manageability Features |
| Recommended Use | Latency-Sensitive Applications, Databases, ERP, Real-Time Analytics |
Engineer's Note: The Intel Xeon Platinum 8256 pairs 4 cores / 8 threads with a 3.80 GHz base clock that boosts to 3.90 GHz on demand and 16.5 MB of on-die cache, making it a drop-in candidate for HPC clusters and AI inference farms. Its FCLGA3647 socket means it slots into existing platforms without board redesign. 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. Scalability to 2-socket systems: in multi-socket servers the processors share memory over a coherent interconnect (10.4 GT/s UPI), letting a single OS instance use all cores and all RAM — the classic architecture for large relational databases and consolidation hosts.
2. 16.5 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.
3. Memory platform on the Intel Xeon Platinum 8256: support for DDR4-2933, up to 1 TB of RAM, 6 memory channels, 140.8 GB/s of peak bandwidth. This is the headroom in-memory databases and dense VM farms need — capacity for growth, bandwidth for the data streams in between.
4. 4 cores / 8 threads: hardware multi-threading lets each physical core run two instruction streams, so concurrent workloads — HPC clusters and AI inference farms — share the die without context-switch overhead. When you size licenses or plan VM placement, thread count is the number the scheduler actually sees.
5. 3.80 GHz base / 3.90 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.
For teams running HPC clusters and AI inference farms, the Intel Xeon Platinum 8256 turns architectural decisions into predictable outcomes. Its 4-core layout sizes the node for expected concurrency, the 3.90 GHz turbo headroom keeps interactive paths responsive, and 1 TB 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: Is the Intel Xeon Platinum 8256 compatible with my server?
A: The Intel Xeon Platinum 8256 uses the FCLGA3647 socket. Check your motherboard's qualified processor list — any chassis with that socket and matching BIOS support will run it. Our team can confirm compatibility if you share your server model.
Q: Does this CPU include a cooler?
A: Server processors are typically installed with chassis-specific heat sinks, so none is included. Match the heat sink to your server model for correct airflow direction — our team can advise on the right part.
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.
Q: What workloads suit 4-core processors best?
A: With 4 cores / 8 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: Can I mix this processor with different models in the same server?
A: In multi-socket servers, matched processors (same model, same stepping) are strongly recommended. Mixed models can cause boot failures or instability because memory controllers and QPI/UPI links negotiate to the lowest common configuration.
