Product Collection
Intel® Xeon® W Processor
Code Name
Products formerly Sapphire Rapids
Vertical Segment
Workstation
Processor Number 
w7-3455
Lithography 
Intel 7
Use Conditions 
Workstation
CPU Specifications
Total Cores 
24
# of Performance-cores
24
# of Efficient-cores
0
Total Threads 
48
Max Turbo Frequency 
4.80 GHz
Intel® Turbo Boost Max Technology 3.0 Frequency ‡ 
4.80 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡ 
4.60 GHz
Processor Base Frequency 
2.50 GHz
Cache 
67.5 MB Intel® Smart Cache
Intel® UPI Speed
0 GT/s
Max # of UPI Links 
0
Processor Base Power 
270 W
Maximum Turbo Power 
324 W
Supplemental Information
Marketing Status
Launched
Launch Date 
Q1'23
Embedded Options Available 
No
Memory Specifications
Max Memory Size (dependent on memory type) 
4 TB
Memory Types 
DDR5-4800 (MT/s)
Maximum Memory Speed
4800 MHz
Max # of Memory Channels 
8
Intel® Optane™ Persistent Memory Supported 
No
ECC Memory Supported ‡ 
Yes
Expansion Options
Direct Media Interface (DMI) Revision
4.0
Scalability
1S Only
PCI Express Revision 
5.0
Max # of PCI Express Lanes 
112
Package Specifications
Sockets Supported 
FCLGA4677
Package Carrier
E1A
Max CPU Configuration
1
DTS Max
92 °C
TCASE 
72
Package Size
77.5mm x 56.5mm
Advanced Technologies
Intel® QuickAssist Technology (QAT)
0 default devices
Intel® Dynamic Load Balancer (DLB)
0 default devices
Intel® Data Streaming Accelerator (DSA)
1 default devices
Intel® In-memory Analytics Accelerator (IAA)
0 default devices
Intel® Advanced Matrix Extensions (AMX)
Yes
Intel® Deep Learning Boost (Intel® DL Boost) 
Yes
Intel® Resource Director Technology (Intel® RDT) 
No
Intel® Speed Shift Technology 
Yes
Intel® Turbo Boost Max Technology 3.0 ‡ 
Yes
Intel® Turbo Boost Technology ‡ 
2.0
Intel® Hyper-Threading Technology ‡ 
Yes
Intel® Transactional Synchronization Extensions 
Yes
Intel® 64 ‡ 
Yes
Instruction Set 
64-bit
Instruction Set Extensions 
Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
# of AVX-512 FMA Units 
2
Enhanced Intel SpeedStep® Technology 
Yes
Security & Reliability
Intel vPro® Eligibility ‡ 
Intel vPro® Enterprise
Intel® Threat Detection Technology (TDT)
No
Intel® Active Management Technology (AMT) ‡ 
Yes
Intel® Remote Platform Erase (RPE) ‡
No
Intel® One-Click Recovery ‡
No
Intel® QuickAssist Software Acceleration
No
Intel® Platform Firmware Resilience Support
Yes
Intel® Control-Flow Enforcement Technology 
Yes
Intel® Total Memory Encryption - Multi Key
No
Intel® Total Memory Encryption 
Yes
Intel® AES New Instructions 
Yes
Intel® Software Guard Extensions (Intel® SGX) 
No
Intel® OS Guard
Yes
Intel® Trusted Execution Technology ‡ 
Yes
Execute Disable Bit ‡ 
Yes
Intel® Boot Guard 
Yes
Mode-based Execute Control (MBEC) 
Yes
Intel® Virtualization Technology with Redirect Protection (VT-rp) ‡
Yes
Intel® Virtualization Technology (VT-x) ‡ 
Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ 
Yes
Intel® VT-x with Extended Page Tables (EPT) ‡ 
Yes