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Sapphire Rapids µarch
General Info
Arch Type	CPU
Designer	Intel
Manufacturer	Intel
Introduction	2021
Process	Intel 7
Instructions
ISA	x86-64
Succession
Ice Lake (server) Emerald Rapids

Sapphire Rapids (SPR) is Intel's successor to Ice Lake, a 7 nm microarchitecture for enthusiasts and servers.

History

Intel Xeon Roadmap through 2021.

Sapphire Rapids was first announced during the May 2019 Intel Investor Meeting. Sapphire Rapids was planned to succeed Ice Lake in 2021, was however delayed to 2023.

Process Technology

Sapphire Rapids is planned to be manufactured on the Intel 7 process (previously 10nm Enhanced SuperFin (ESF)).

Compiler support

Support for Sapphire Rapids was added in LLVM Clang 12 and GCC 11.

Compiler	Arch-Specific	Arch-Favorable
GCC	-march=sapphirerapids	-mtune=sapphirerapids
LLVM	-march=sapphirerapids	-mtune=sapphirerapids

CPUID

Core	Extended Family	Family	Extended Model	Model
SP	0	0x6	0x8	0xF
	Family 6 Model 143

Architecture

Key changes from Ice Lake

• Intel 7 (from 10 nm SuperFIN)
• Core
  • Sunny Cove → Golden Cove
• New Integration
  • Data Streaming Accelerator (DSA)
• Memory
  • DDR5 (from DDR4)
  • Optane DC DIMMs
    • Barlow Pass → Crow Pass
• I/O
  • PCIe Gen 5.0 (from Gen 4.0)
• Platform
  • Whitley → Eagle Stream

This list is incomplete; you can help by expanding it.

See also

• Golden Cove