CPUServerReleased Feb 24, 2025

Intel Xeon 6781P

80C/160T · 3.8 GHz · 350 W

The Xeon 6781P is an 80-core, 160-thread single-socket model of Intel's Xeon 6700P series (Granite Rapids-SP), launched in the first quarter of 2025. It offers the highest core count of the 1S-optimized SKUs, with 336 MB of L3 cache, MRDIMM memory support and 136 PCIe 5.0 lanes, giving two-socket-class compute and I/O in a single-processor server. It launched at $8,960, and Intel later raised its recommended price.

General

Manufacturer: Intel
Model: Intel Xeon 6781P
Segment: Server
Generation: Xeon 6 (Granite Rapids-SP)
Codename: Granite Rapids-SP
Architecture: x86_64
Microarchitecture: Redwood Cove
Release date: Feb 24, 2025
Price: $10,035Search on Amazon

Cores & clocks

Cores / threads: 80 cores / 160 threads
Base clock: 2.00 GHz
Boost clock: 3.80 GHz
TDP (design W): 350 W
Unlocked: ✕ No
L2 cache: 160 MB
L3 cache: 336 MB
Technology (nm): 3 nm
Intel 3

Platform

Socket: FCLGA4710
2-CPU (multi-socket): ✕ No
Integrated GPU: None
Memory type: DDR5-6400 (RDIMM), MRDIMM-8800
8-channel
Memory size: Up to 4,096 GB
ECC memory: ✓ Yes
PCIe: PCIe 5.0 (136 lanes)

Instructions & AI

Instruction extensions: SSE4.2AVXAVX2AVX-512AMX
NPU: None

OS support

Linux: UbuntuFedoraArch Linux
Notes: Xeon 6 server processors do not appear on Microsoft's Windows 10 (22H2) or Windows 11 (24H2, 25H2) supported Intel processor lists, and no 26H2 list has been published. As a server processor it is mainly deployed with Windows Server and enterprise Linux distributions.

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