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Intel Xeon 6 - 6781P 2.0 GHz FCLGA 4710 336MB L3 Cache Granite Rapids Hyper-Threading Support Cooling device not included - Processor Only - PK8072006270200 - OEM
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- Total Cores 80
- Total Threads 160
- Max Turbo Frequency 3.80 GHz
- All Core Turbo Frequency 3.2 GHz
- Processor Base Frequency 2.00 GHz
- Cache 336 MB
- TDP 350 W
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Learn more about the Xeon 6781P
| Brand | Intel |
|---|---|
| Processors Type | Desktop |
| Series | Xeon |
| Name | Xeon 6781P |
| Model | PK8072006270200 |
| CPU Socket Type | LGA 4710 |
|---|---|
| CPU Code Name | Granite Rapids |
| # of Cores | 80-Core |
| # of Threads | 160-Threads |
| Operating Frequency | 2.0 GHz |
| Max Turbo Frequency | Max Turbo Frequency: 3.8 GHz All Core Turbo Frequency: 3.2 GHz |
| L3 Cache | 336MB |
| Manufacturing Tech | Intel 3 |
| Instruction Set | 64-Bit |
| Integrated Memory Controller Speed | 6400 MHz |
| Memory Types | DDR5(6400MT/s), MRDIMM(8800MT/s) |
| Memory Channel | 8 |
| Max Memory Size | 4TB |
| ECC Memory | Supported |
| Virtualization Technology Support | Yes |
| Scalability | 1S Only |
| PCI Express Revision | 5.0 |
| Max Number of PCI Express Lanes | 136 |
| Multimedia Instruction | Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512 |
| Thermal Design Power | 350W |
| Cooling Device | Cooling device not included - Processor Only |
| Advanced Technologies | Intel QuickAssist Technology (QAT): 3 default devices Intel Dynamic Load Balancer (DLB): 3 default devices Intel Data Streaming Accelerator (DSA): 3 default devices Intel In-memory Analytics Accelerator (IAA): 3 default devices Intel Advanced Matrix Extensions (AMX): Yes Intel Speed Select Technology - Core Power: Yes Intel Speed Select Technology - Turbo Frequency: Yes Intel Deep Learning Boost (Intel DL Boost) on CPU: Yes Intel Speed Select Technology - Performance Profile: Yes Intel Speed Select Technology - Base Frequency: Yes High Priority Cores: 30 High Priority Core Frequency: 2.10 GHz Low Priority Cores: 50 Low Priority Core Frequency: 1.60 GHz Intel Resource Director Technology (Intel RDT): Yes Intel Speed Shift Technology: Yes Intel Turbo Boost Technology: 2.0 Intel Hyper-Threading Technology: Yes Intel Transactional Synchronization Extensions: Yes Intel 64: Yes Instruction Set Extensions: Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512 # of AVX-512 FMA Units: 2 Intel Volume Management Device (VMD): Yes |
| Security & Reliability | Intel Trust Domain Extensions (Intel TDX): Yes Intel Secure Key: Yes Intel Crypto Acceleration: Yes Intel QuickAssist Software Acceleration: Yes Intel Platform Firmware Resilience Support: Yes Intel Control-Flow Enforcement Technology: Yes Intel Total Memory Encryption - Multi Key: Yes MK-TME Total: 1024 Intel Total Memory Encryption: Yes Intel AES New Instructions: Yes Intel Software Guard Extensions (Intel SGX): Yes Default Maximum Enclave Page Cache (EPC) Size for Intel SGX: 128 GB Intel OS Guard: Yes Intel Trusted Execution Technology: Yes Execute Disable Bit: Yes Intel Boot Guard: Yes Intel Run Sure Technology: Yes Mode-based Execute Control (MBEC): Yes Intel Virtualization Technology (VT-x): Yes Intel Virtualization Technology for Directed I/O (VT-d): Yes Intel VT-x with Extended Page Tables (EPT): Yes |
| First Listed on Newegg | April 09, 2025 |
|---|
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The Intel Xeon 6781P is an 80-core, 160-thread Granite Rapids processor for single-socket systems, suited to compute-intensive workloads that benefit from high parallelism, such as virtualization and data processing. It offers up to 3.8 GHz turbo frequency, 336 MB of cache, and a 350 W TDP.
Recommended For
- IT teams consolidating many virtual machines on one server can use the 6781P’s 80 cores and 160 threads for dense single-socket virtualization; ServeTheHome tested it with a KVM virtualization workload.
- Storage and data-infrastructure teams building a single-socket server with many NVMe drives or high-speed network cards can make use of its 136 PCIe 5.0 lanes; testing included a 24-drive object-storage setup and 400 Gbps networking.
- Scientific and engineering teams running sustained floating-point batch workloads can consider it for a single-socket compute server; HPE submitted a Xeon 6781P system for SPEC CPU 2017 floating-point rate testing.
- Operators running throughput-oriented data services such as object storage, compression, hashing, or encryption can use its many cores and server accelerators; Intel’s MinIO testing measured these kinds of data-processing workloads on a 6781P system.
Real-World Use Scenarios
- When a data center team wants to consolidate several server workloads onto one host, the Xeon 6781P can run multiple KVM virtual machines concurrently; ServeTheHome tested VM density while tracking whether workloads met their service-level target.
- For a single-socket object-storage server serving large pools of files, the 6781P can handle parallel storage traffic alongside encryption, hashing, and erasure coding; Intel benchmarked it with MinIO AIStor, NVMe drives, and a 400 Gbps network adapter.
- For business analytics that query product, regional, or sales-channel data, the 6781P can support a database workload running many calculations at once; ServeTheHome tested a MariaDB pricing-analytics application on the processor.
- For a web or CDN server handling concurrent requests while retrieving content from storage, the 6781P can provide CPU capacity for parallel request processing; ServeTheHome tested nginx using a real-site traffic snapshot with disk access in the workload.
- For an AI or cloud platform that moves large datasets between storage, network, and compute, a 6781P-based server can serve as a high-I/O host for storage and analytics components; Intel identifies these as target workload areas, with results depending on the full system and software configuration.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | High-core-count, single-socket compute systems and virtualization workloads, with Intel AMX instruction support for matrix-acceleration tasks |
| Cores And Threads | 80 cores and 160 threads, including 30 high-priority cores at 2.10 GHz and 50 low-priority cores at 1.60 GHz |
| Clock Speeds | 2.0 GHz base frequency, 3.8 GHz maximum turbo frequency, and 3.2 GHz all-core turbo frequency |
| Cache And Thermal Design | 336 MB L3 cache and 350 W TDP |
| Socket And Platform | LGA 4710 socket, Granite Rapids code name, Intel 3 manufacturing technology, and single-socket scalability |
| Memory Configuration | Eight memory channels; DDR5-6400 MT/s and MRDIMM-8800 MT/s support; up to 4 TB; ECC supported; integrated memory controller speed of 6400 MHz |
| PCI Express | PCIe 5.0 support with up to 136 lanes |
| Instruction Set And Compute Acceleration | 64-bit instruction set with Intel AMX, SSE4.2, AVX, AVX2, and AVX-512; two AVX-512 FMA units; Intel DL Boost; QuickAssist, Dynamic Load Balancer, Data Streaming Accelerator, and In-memory Analytics Accelerator, each with three default devices |
| Processor Technologies | Intel Speed Select support for core power, turbo frequency, performance profile, and base frequency; Intel Resource Director, Speed Shift, Turbo Boost 2.0, Hyper-Threading, Transactional Synchronization Extensions, and Volume Management Device |
| Virtualization And Security | Intel VT-x, VT-d, and EPT; Intel TDX, SGX with 128 GB default maximum EPC size, Total Memory Encryption and Multi-Key TME with 1024 total, AES New Instructions, Secure Key, Crypto Acceleration, QuickAssist Software Acceleration, Platform Firmware Resilience, Control-Flow Enforcement, OS Guard, Trusted Execution Technology, Boot Guard, Run Sure Technology, Execute Disable Bit, and MBEC |
| Cooling | Cooling device not included; processor only |
| Model Identifiers | Intel Xeon 6781P, model PK8072006270200 |
Reference Q&A
Q: Xeon 6781P or EPYC 9565 for a single-socket server?
A: Choose the Xeon 6781P when the system is built for Intel’s FCLGA4710 platform or its Intel-specific features matter: it has 80 cores, 136 PCIe 5.0 lanes and a 350 W TDP. Choose the EPYC 9565 when you need its 12-channel memory, higher listed boost clock, or the option to use the processor in a 1P or 2P system. The CPUs use different sockets and platforms, so confirm server and workload compatibility before comparing performance.
Q: Is the Xeon 6781P worth choosing over the 6767P?
A: Choose the Xeon 6781P when you want 80 cores in one socket; it has 16 more cores than the 64-core 6767P. Choose the 6767P if you need a 2-socket-capable processor or prioritize its higher listed base and all-core turbo frequencies. Both are rated at 350 W, but the 6781P is listed as 1-socket only while the 6767P supports 2-socket systems.
Q: Should I get the Xeon 6781P or step up to the Xeon 6980P?
A: Choose the Xeon 6781P for an 80-core, single-socket configuration with a 350 W processor rating. Step up to the Xeon 6980P when your workload can use substantially more cores: it has 128 cores and a 500 W rating. The 6980P requires a platform designed for its socket and power requirements, so compare complete server configurations rather than CPU specifications alone.
Q: Is the Xeon 6781P suitable for virtualization or other heavily parallel workloads?
A: It is designed for systems that can use many CPU threads: it has 80 cores and 160 threads, supports virtualization, and supports up to 4 TB of memory. Its 350 W TDP and single-socket-only scalability make it a specialized workstation or server choice, rather than a typical office or gaming upgrade.
Q: Will this processor work with my motherboard?
A: Only if the motherboard supports the Xeon 6781P and its LGA 4710 socket. Check the board’s CPU support list and platform requirements before buying; this processor is specified for single-socket systems.
Q: Does the processor come with a cooler?
A: No. The listing specifies that a cooling device is not included. You will need to provide a compatible cooling solution; the processor’s listed TDP is 350 W.
Q: Can I use the Xeon 6781P in a regular desktop build?
A: It may be appropriate for a workstation-style build, but it requires an LGA 4710-compatible platform and cooling for its 350 W TDP. Its 80 cores, 160 threads, ECC memory support, and large memory capacity are aimed at demanding workloads; they may be unnecessary for everyday office use.
Q: Is the Xeon 6781P worth considering for running large MoE models?
A: It may suit CPU-side workloads that benefit from many cores, but the Reddit discussion provides no 6781P benchmark results. It also flags the potential cost of high-bandwidth memory, so compare the full system cost and workload-specific performance before buying.
Q: What should I check before using the 6781P with multiple GPUs?
A: Check that the motherboard and server platform support this single-socket LGA 4710 processor, and confirm how its PCIe slots and lanes are configured. The Reddit discussion warns that installing a processor on a single-socket board can affect available slots; verify the exact board’s documentation before planning a multi-GPU build.
Q: Is the Xeon 6781P a good choice for gaming?
A: The discussion raises Fortnite gaming, but does not provide gaming tests. The 6781P is a 350 W server processor with 80 cores, so consider it for a server platform and workload rather than choosing it for gaming without relevant benchmarks and a compatible system.