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Intel · 2026

Intel Xeon 678X

The Intel Xeon 678X is a 48-core server processor based on Granite Rapids microarchitecture, released in 2026.

The Intel Xeon 678X is a high-core-count server processor built on the Granite Rapids microarchitecture. It features 48 performance cores (P-cores) and 96 threads, with a base clock of 2.4 GHz and a boost clock of 4.9 GHz. The processor includes 192 MB of L3 cache and is manufactured on a 3 nm process node. It has a TDP of 300 W and a maximum turbo power of 360 W. The Xeon 678X supports DDR5 memory at 6400 MT/s and MRDIMM at 8000 MT/s across eight memory channels, with ECC support. It provides 128 PCIe 5.0 lanes and supports instruction sets including Intel SSE4.1, SSE4.2, AVX2, AVX-512, and AMX. The processor uses the FCLGA4710 socket and was released in 2026 with a launch MSRP of $4,129.

Specifications

Microarchitecture unverified Granite Rapids
Cores48
P-cores48
E-cores0
Threads96
Base clock2.4 GHz
Boost clock4.9 GHz
L3 cache192 MB
Process node3 nm
TDP / base power300 W
Max turbo power360 W
SocketFCLGA4710
Memory supportDDR5(6400MT/s)MRDIMM(8000MT/s)
Memory channels8
ECC memory supportYes
PCIe lanes (CPU)128
PCIe version5.0
Instruction setsIntel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Release date2026-01-01
Release year2026
Launch MSRP4129 USD