Intel Xeon w5-2455X. Processor family: Intel Xeon W, Processor socket: LGA 4677 (Socket E), Processor manufacturer: Intel. Memory channels: Quad-channel, Maximum internal memory supported by processor: 2 TB, Memory types supported by processor: DDR4-SDRAM. Market segment: Workstation, Use conditions: Workstation, Supported instruction sets: SSE4.1, AMX, SSE4.2, AVX 2.0, AVX-512. Intel® Turbo Boost Max Technology 3.0 frequency: 4.6 GHz, Intel® Turbo Boost Technology 2.0 frequency: 4.4 GHz, Intel® QuickAssist Technology (QAT): 0 default devices. Package type: Retail boxIntel® Trusted Execution TechnologyIntel® Trusted Execution Technology for safer computing is a versatile set of hardware extensions to Intel® processors and chipsets that enhance the digital office platform with security capabilities such as measured launch and protected execution. It enables an environment where applications can run within their own space, protected from all other software on the system.
Intel® Virtualization Technology for Directed I/O (VT-d)Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.
Intel® Virtualization Technology (VT-x)Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.
Intel® 64Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.
CacheCPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.
Intel® AES New InstructionsIntel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.
Intel® Turbo Boost TechnologyIntel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.
Max Turbo FrequencyMax Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
Execute Disable BitExecute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
Intel® Hyper-Threading TechnologyIntel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.
Instruction SetAn instruction set refers to the basic set of commands and instructions that a microprocessor understands and can carry out. The value shown represents which Intel’s instruction set this processor is compatible with.
Intel® VT-x with Extended Page Tables (EPT)Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.
Enhanced Intel SpeedStep® TechnologyEnhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.
Intel® Speed Shift TechnologyIntel® Speed Shift Technology uses hardware-controlled P-states to deliver dramatically quicker responsiveness with single-threaded, transient (short duration) workloads, such as web browsing, by allowing the processor to more quickly select its best operating frequency and voltage for optimal performance and power efficiency.
Intel® Turbo Boost Technology 2.0 FrequencyIntel® Turbo Boost Technology 2.0 Frequency is the maximum single core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
Intel® Software Guard Extensions (Intel® SGX)Intel® Software Guard Extensions (Intel® SGX) provide applications the ability to create hardware enforced trusted execution protection for their applications’ sensitive routines and data. Intel® SGX provides developers a way to partition their code and data into CPU hardened trusted execution environments (TEE’s).
Intel® Deep Learning Boost (Intel® DL Boost)A new set of embedded processor technologies designed to accelerate AI deep learning use cases. It extends Intel AVX-512 with a new Vector Neural Network Instruction (VNNI) that significantly increases deep learning inference performance over previous generations.
Instruction Set ExtensionsInstruction Set Extensions are additional instructions which can increase performance when the same operations are performed on multiple data objects. These can include SSE (Streaming SIMD Extensions) and AVX (Advanced Vector Extensions).
Intel® Turbo Boost Max Technology 3.0 FrequencyIntel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom. Intel® Turbo Boost Max Technology 3.0 frequency is the clock frequency of the CPU when running in this mode.
Intel® Turbo Boost Max Technology 3.0Intel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom.
Intel® Total Memory EncryptionTME – Total Memory Encryption (TME) helps protect data against exposure via physical attack on memory, such as cold-boot attacks.
Max # of UPI LinksIntel® Ultra Path Interconnect (UPI) links are a high speed, point-to-point interconnect bus between the processors, delivering increased bandwidth and performance over Intel® QPI.
# of AVX-512 FMA UnitsIntel® Advanced Vector Extensions 512 (AVX-512), new instruction set extensions, delivering ultra-wide (512-bit) vector operations capabilities, with up to 2 FMAs (Fused Multiply Add instructions), to accelerate performance for your most demanding computational tasks.
Intel® Resource Director Technology (Intel® RDT)Intel® RDT brings new levels of visibility and control over how shared resources such as last-level cache (LLC) and memory bandwidth are used by applications, virtual machines (VMs) and containers.
Intel® Optane™ Persistent Memory SupportedIntel® Optane™ persistent memory is a revolutionary tier of non-volatile memory that sits between memory and storage to provide large, affordable memory capacity that is comparable to DRAM performance. Delivering large system-level memory capacity when combined with traditional DRAM, Intel Optane persistent memory is helping transform critical memory constrained workloads – from cloud, databases, in-memory analytics, virtualization, and content delivery networks.
Mode-based Execute Control (MBEC)Mode-based Execute Control can more reliably verify and enforce the integrity of kernel level code.
Intel® Boot GuardIntel® Device Protection Technology with Boot Guard helps protect the system’s pre-OS environment from viruses and malicious software attacks.
Intel® Control-Flow Enforcement TechnologyCET - Intel Control-flow Enforcement Technology (CET) helps protect against the misuse of legitimate code snippets through return-oriented programming (ROP) control-flow hijacking attacks.
Intel® Transactional Synchronization ExtensionsIntel® Transactional Synchronization Extensions (Intel® TSX) are a set of instructions that add hardware transactional memory support to improve performance of multi-threaded software.
Processor |
|---|
| Processor family | Intel Xeon W |
| Processor cores | 12 |
| Processor socket | LGA 4677 (Socket E) |
| Box | Yes |
| Processor manufacturer | Intel |
| Processor model | w5-2455X |
| Processor base frequency | 3.2 GHz |
| Processor operating modes | 64-bit |
| Processor threads | 24 |
| Performance cores | 12 |
| Processor boost frequency | 4.6 GHz |
| Processor cache | 30 MB |
| Processor cache type | Smart Cache |
| Processor base power | 200 W |
| Maximum turbo power | 240 W |
| Stepping | S3 |
| Bus type | DMI4 |
| Processor codename | Sapphire Rapids |
| Processor ARK ID | 233420 |
Memory |
|---|
| Memory channels | Quad-channel |
| Maximum internal memory supported by processor | 2 TB |
| Memory types supported by processor | DDR4-SDRAM |
| ECC | Yes |
Graphics |
|---|
| On-board graphics card | No |
| Discrete graphics card | No |
| On-board graphics card model | Not available |
| Discrete graphics card model | Not available |
Features |
|---|
| Execute Disable Bit | Yes |
| Market segment | Workstation |
| Use conditions | Workstation |
| Maximum number of PCI Express lanes | 64 |
| PCI Express slots version | 5.0 |
| Supported instruction sets | SSE4.1, AMX, SSE4.2, AVX 2.0, AVX-512 |
| Scalability | 1S |
| CPU configuration (max) | 1 |
| Embedded options available | No |
| Direct Media Interface (DMI) Revision | 4.0 |
| Export Control Classification Number (ECCN) | 5A992C |
| Commodity Classification Automated Tracking System (CCATS) | G180729 |
Processor special features |
|---|
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel® Speed Shift Technology | Yes |
| Intel® Turbo Boost Max Technology 3.0 frequency | 4.6 GHz |
| Intel® Turbo Boost Technology 2.0 frequency | 4.4 GHz |
| Intel® Transactional Synchronization Extensions | Yes |
| Intel® Total Memory Encryption | Yes |
| Intel® Control-flow Enforcement Technology (CET) | Yes |
| Intel® Platform Firmware Resilience Support | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel® Active Management Technology (Intel® AMT) | Yes |
| Intel® OS Guard | Yes |
| Intel Software Guard Extensions (Intel SGX) | No |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Turbo Boost Max Technology 3.0 | Yes |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Intel® Boot Guard | Yes |
| Intel® Deep Learning Boost (Intel® DL Boost) | Yes |
| Intel® Resource Director Technology (Intel® RDT) | No |
| Mode-based Execute Control (MBE) | Yes |
| Intel® Optane™ DC Persistent Memory Supported | No |
| Intel® vPro™ Platform Eligibility | Yes |
| Intel® One-Click Recovery | No |
| Intel® Remote Platform Erase (RPE) | No |
| Intel® Virtualization Technology with Redirect Protection (VT-rp) | Yes |
| Intel vPro® Enterprise Platform Eligibility | Yes |
| Intel® Threat Detection Technology (TDT) | No |
| Intel® Total Memory Encryption - Multi Key | No |
| Intel® QuickAssist Software Acceleration | No |
| 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 |
Operational conditions |
|---|
| Tcase | 77 °C |
| DTS Max | 100 °C |
Technical details |
|---|
| Supported memory types | DDR5-SDRAM |
| Package carrier | E1B |
Logistics data |
|---|
| Harmonized System (HS) code | 8542310001 |
Packaging data |
|---|
| Package type | Retail box |
Weight & dimensions |
|---|
| Processor package size | 77.5 x 56.5 mm |
Other features |
|---|
| Maximum internal memory | 2 TB |
Technical details |
|---|
| Launch date | Q1'23 |
| Status | Launched |
| Memory speed (max) | 4800 MHz |
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