Sapphire Rapids Processor Overview
This section summarizes the key new feature and technologies in Sapphire Rapids
processor.
General Purpose performance - increase performance across all market segments
relative to 3rd Gen Intel® Xeon® Processor Scalable Family, Codename Cooper Lake
processor baseline.
• 8 channels of DDR5.
• Up to four 24-lane (x24) bi-directional Intel® UPI 2.0 ports with speeds of 12.8
GT/s, 14.4 GT/s , and 16 GT/s.
Memory Innovation - Flexible memory subsystem for emerging workloads.
• DDR5 - efficient bandwidth, lower latency
• Intel® Optane™ PMem 3.0, persistent caching
Storage and I/O Performance - Platform I/O bandwidth and RAS for storage
• >60% aggregate bandwidth increase.
• 16GT/s Gen4 PCIe on PCH.
• 32GT/s Gen5 PCIe and CXL on CPU via Flex Bus.
• x2 PCIe link subdivision capability.
• Share Virtual Memory Support
• Scalable IOV
RAS Capabilities - increasing availability at full performance
• Memory RAS feature support with DDR5 memory.
• Preserving RAS state across boot.
• Address Translation support in the memory controller to assist BIOS.
• Improved error detection, diagnostics and recovery capability.
• IEH 2.0
Security - Increased on-chip security
• Intel® Software Guard Extensions (Intel® SGX) with Advanced RAS and 8S
support.
— Note: Sapphire Rapids Workstation does not support Intel® SGX
• Control flow Enforcing Technology (CET)
• IA Key Protection Technology (KPT) and Public Key Encryption (PKE)
Targeted Workload Acceleration - Acceleration for a variety of workloads.
• Machine learning acceleration (TMUL)
• Accelerator Interfacing Architecture (AiA) including Interfacing Architecture (AiA)
including work submission new instruction (ENQ, MOVDIRI, MOVDIR64GB)
• IA Comms Enhancements (ICE) 1.0
• Bfloat16
• ~2x DSA performance increase
• Intel® QAT for 200-Gb Integrated Crypto/Compression acceleration
• IMDB Analytics Acceleration
• Intel® Dynamic Load Balancer (Intel® DLB) – Hardware Scheduling Accelerator
• Flex Bus accelerator connect
Power Management - tuned performance
• Fast C1E
• Platform and Flexible Turbo |
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