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Intel Xeon Platinum 8480C

56C/112T · 3.8 GHz · 350 W

The Xeon Platinum 8480C is a 56-core, 112-thread 4th Gen Xeon Scalable (Sapphire Rapids) processor for dual-socket servers. It is an off-roadmap "C" model supplied to large cloud operators and is not listed in Intel's public product database. Its clocks match the retail Xeon Platinum 8480+, running from a 2.0 GHz base clock to a 3.0 GHz all-core turbo and 3.8 GHz single-core turbo, with 105 MB of L3 cache and a 350 W TDP.

General

Manufacturer
Intel
Model
Intel Xeon Platinum 8480C
Segment
Server
Generation
4th Gen Xeon Scalable (Sapphire Rapids)
Codename
Sapphire Rapids-SP
Architecture
x86_64
Microarchitecture
Golden Cove
Release date
—
Price
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Cores & clocks

Cores / threads
56 cores / 112 threads
Base clock
2.00 GHz
Boost clock
3.80 GHz
TDP (design W)
350 W
Unlocked
✕ No
L2 cache
112 MB
L3 cache
105 MB
Technology (nm)
7 nm
Intel 7

Platform

Socket
FCLGA4677
2-CPU (multi-socket)
✓ Yes
Up to 2 sockets
Integrated GPU
None
Memory type
DDR5-4800
8-channel
Memory size
Up to 4,096 GB
ECC memory
✓ Yes
PCIe
PCIe 5.0 (80 lanes)

Instructions & AI

Instruction extensions
SSE4.2AVXAVX2AVX-512AVX-512 VNNI (Intel DL Boost)Intel AMXAES-NI
NPU
None

OS support

Windows
Windows 11 24H2Windows 11 25H2Windows 11 26H2
Linux
UbuntuFedoraArch Linux
Notes
Microsoft lists 4th Generation Xeon Scalable processors as supported for Windows 11 versions 24H2 and 25H2; Microsoft has not published a separate list for 26H2, so the 25H2 status is carried over. The Windows 10 22H2 list stops at 3rd Generation Xeon Scalable. Server deployments typically run Windows Server or enterprise Linux; Sapphire Rapids is supported by mainstream Linux distributions.

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