Product Collection4th Generation Intel® Xeon® Scalable Processors
Code NameProducts formerly Sapphire Rapids
Vertical SegmentServer
Processor Number6438Y+
LithographyIntel 7
Use ConditionsServer/Enterprise
Max Turbo Frequency4.00 GHz Processor Base Frequency2.00 GHz Cache60 MB Intel® UPI Speed16 GT/s TDP205 W Marketing StatusLaunched Launch DateQ1'23 Servicing StatusBaseline Servicing Memory TypesUp to DDR5 4800 MT/s 1DPC Scalability2S Sockets SupportedFCLGA4677 Package CarrierE1B DTS Max87 °C TCASE76 Package Size77.5mm x 56.5mm Intel® QuickAssist Technology (QAT)1 default devices Intel® Dynamic Load Balancer (DLB)1 default devices Intel® Data Streaming Accelerator (DSA)1 default devices Intel® In-memory Analytics Accelerator (IAA)1 default devices Intel® Advanced Matrix Extensions (AMX)Yes High Priority Cores12 High Priority Core Frequency2.10 GHz Low Priority Cores20 Intel® 64 ‡Yes Instruction Set ExtensionsIntel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 Intel® QuickAssist Software AccelerationYes Intel® Platform Firmware Resilience SupportYes Intel® Software Guard Extensions (Intel® SGX)Yes with Intel® SPS Default Maximum Enclave Page Cache (EPC) Size for Intel® SGX128 GB Intel® OS GuardYes Intel® Virtualization Technology for Directed I/O (VT-d) ‡YesCPU Specifications
Intel® Speed Select Technology - Performance Profile (Intel® SST-PP)
Config Active Cores Base Frequency TDP Description 6438Y+ (0) 32 2.0 205 6438Y+ (1) 28 2.2 205 6438Y+ (2) 24 2.1 185 Supplemental Information
Memory Specifications
Up to DDR5 4400 MT/s 2DPCExpansion Options
Package Specifications
Intel® On Demand Available Upgrades
Activation Model Products QAT DLB DSA IAA SGX512 Communications & Storage Suite 2 2 2 SGX512 512 Advanced Technologies
Security & Reliability