100-000001443WOF AMD EPYC 9755 128 Cores 5th Gen Turin 4nm Processor

Comprehensive Product Description

Product Overview

• Product Type: Server Processor
• Product Manufacturer: Advanced Micro Devices Inc. (AMD)
• Processor Family: AMD EPYC 9005 Series
• Product Model: EPYC 9755
• Manufacturer Part Number: 100-000000975
• Form Factor: Designed for modern enterprise and datacenter servers

Technical Information

• Core Count: 128 cores engineered for extreme parallel workloads
• Thread Count: 256 threads for optimized multitasking and virtualization
• Base Clock Speed: 2.70 GHz
• Maximum Boost Frequency: Up to 4.10 GHz
• Total Cache: 512 MB for accelerated data access
• Manufacturing Process: 4nm technology for efficiency and high performance
• Socket Compatibility: SP5 (supports both single and dual processor platforms)
• Thermal Design Power (TDP): 500W, optimized for heavy computational tasks
• PCI Express Support: PCIe 5.0 ×128 lanes ensuring maximum I/O scalability
• Memory Type: DDR5 with ultra-fast data processing capability
• Memory Channels: 12-channel support for parallel workloads
• Maximum Memory Speed: Up to 6000 MT/s
• Memory Bandwidth: 576 GB/s delivering outstanding throughput
• Security Technologies: AMD Infinity Guard for enterprise-grade protection
• Architecture: AMD Infinity Architecture for flexible scalability
• Workload Affinity: AI, HPC, Media Streaming, Analytics, Virtualization, Security-centric applications

AMD EPYC 9755 128-Core 5th Gen Turin Processor: Unmatched Compute Density

The AMD 100-000001443WOF EPYC 9755 128-Core Processor is a revolutionary advancement in server-grade CPU technology, part of AMD’s 5th Generation EPYC family codenamed “Turin.” Built on the ultra-efficient 4nm process node and powered by the Zen 5 architecture, this processor delivers unprecedented core density, energy efficiency, and scalability. Designed for hyperscale data centers, AI/ML workloads, and enterprise virtualization, the EPYC 9755 sets a new standard for high-performance computing.

Zen 5 Architecture and Core Configuration

Next-Generation Microarchitecture

The Zen 5 architecture introduces significant improvements in instructions per cycle (IPC), branch prediction accuracy, and execution throughput. With redesigned front-end logic and enhanced load/store units, Zen 5 cores are optimized for parallelism and low-latency memory access. These enhancements make the EPYC 9755 ideal for compute-intensive tasks such as scientific modeling, real-time analytics, and AI inference.

128 Cores and 256 Threads

The EPYC 9755 features 128 physical cores and supports simultaneous multithreading (SMT), enabling 256 threads of parallel processing. This massive core count allows for high-density virtual machine deployments, containerized microservices, and large-scale data processing. The processor’s architecture ensures efficient thread scheduling and minimal contention, even under heavy load.

Base and Boost Clock Speeds

Operating at a base frequency of 2.0GHz, the EPYC 9755 can dynamically boost its clock speed depending on workload demands and thermal conditions. This adaptive frequency scaling ensures optimal performance across a wide range of applications, from batch processing to latency-sensitive services.

Advanced Cache Hierarchy

256MB L3 Cache for High-Speed Data Access

The EPYC 9755 is equipped with a massive 256MB of L3 cache, designed to reduce memory latency and accelerate data access. This cache capacity is particularly beneficial for workloads with high data locality, such as in-memory databases, analytics engines, and AI training models. The cache is distributed across core complexes to ensure balanced access and minimal bottlenecks.

Cache Architecture Optimization

Each Zen 5 core includes dedicated L1 and L2 caches, while the shared L3 cache is segmented to support efficient data retrieval. This hierarchical cache design enhances throughput and minimizes latency, supporting high concurrency and responsiveness in multi-threaded environments.

Memory Support and Bandwidth

DDR5 Memory Compatibility

The EPYC 9755 supports DDR5 memory, offering higher bandwidth and lower latency compared to DDR4. With support for up to 12 memory channels, the processor delivers exceptional memory throughput, crucial for memory-bound workloads such as AI training, real-time analytics, and scientific simulations.

Maximum Memory Capacity

This processor supports up to 6TB of DDR5 memory, enabling large-scale deployments of in-memory databases, virtual machines, and high-performance computing applications. ECC (Error-Correcting Code) memory support ensures data integrity and system reliability, which are essential in mission-critical environments.

Memory Speed and Latency

With support for DDR5-5600 modules, the EPYC 9755 achieves ultra-fast memory transfer rates while maintaining low latency. This configuration is ideal for latency-sensitive applications such as financial modeling, high-frequency trading, and real-time data processing.

PCIe 5.0 and I/O Expansion

High-Speed Connectivity

The EPYC 9755 supports PCIe 5.0, doubling the bandwidth of PCIe 4.0 and enabling faster communication with GPUs, NVMe storage devices, and high-speed networking cards. This is essential for modern workloads that require rapid data access and transfer, such as AI model training and big data analytics.

Expansion Capabilities

With up to 160 PCIe lanes, the processor offers extensive I/O expansion options. This allows for scalable server configurations with multiple accelerators, storage arrays, and network interfaces, supporting diverse enterprise and HPC applications.

Security and Reliability Features

AMD Infinity Guard

The EPYC 9755 incorporates AMD Infinity Guard, a comprehensive suite of security features designed to protect data, isolate workloads, and ensure system integrity. Key components include Secure Memory Encryption (SME), Secure Encrypted Virtualization (SEV), and Secure Boot. These features are critical for maintaining compliance and protecting sensitive information in multi-tenant environments.

Secure Memory Encryption (SME)

SME encrypts system memory to prevent unauthorized access, even in the event of physical memory compromise. This is essential for protecting sensitive data in cloud and enterprise deployments.

Secure Encrypted Virtualization (SEV)

SEV enables encrypted virtual machines, ensuring that guest VMs remain isolated and protected from hypervisor-level threats. This enhances trust and compliance in virtualized infrastructures and supports secure multi-tenancy.

Energy Efficiency and Sustainability

4nm Process Technology

Manufactured using TSMC’s 4nm process node, the EPYC 9755 achieves high transistor density and improved power efficiency. This contributes to lower thermal output and reduced energy consumption, aligning with sustainability goals and green data center initiatives.

Thermal Design Power (TDP)

With a TDP of 360W, the EPYC 9755 offers a balanced power profile suitable for dense server environments. Advanced thermal management features ensure stable operation under sustained workloads, supporting both air and liquid cooling solutions.

Power Management Technologies

The processor includes dynamic voltage and frequency scaling (DVFS), enabling it to adjust power usage based on workload demands. This minimizes energy waste during idle periods and maximizes performance during peak usage.

Use Cases and Application Scenarios

Cloud-Native Workloads

The EPYC 9755 is optimized for cloud-native environments, including containerized applications, microservices, and Kubernetes clusters. Its core density and energy efficiency make it ideal for hyperscale deployments and edge computing.

Enterprise Virtualization

With support for large memory capacities and advanced virtualization features, the processor enables high VM density and efficient resource allocation. This reduces operational costs and enhances scalability for enterprise IT infrastructures.

High-Performance Computing (HPC)

Scientific research, engineering simulations, and AI model training benefit from the parallel processing capabilities of the EPYC 9755. Its architecture supports floating-point operations and large datasets, making it suitable for HPC clusters and research institutions.

Data Analytics and Machine Learning

The processor’s high core count and memory bandwidth support real-time data analytics and machine learning workloads. It enables rapid processing of large datasets, accelerating insights and decision-making in data-driven organizations.

Platform Compatibility and Ecosystem

Socket SP5 and Motherboard Support

The EPYC 9755 utilizes the SP5 socket, compatible with a wide range of server motherboards. This ensures flexibility in system design and integration, whether for rack-mounted servers, blade systems, or custom builds.

OEM and ISV Certification

AMD partners with leading OEMs and independent software vendors (ISVs) to certify the EPYC 9755 for enterprise applications. This ensures compatibility with popular software stacks and simplifies deployment in production environments.

Comparison with Other EPYC Models

EPYC 9004 Series Lineup

Within the EPYC 9004 series, the 9755 stands out for its unmatched core density and cache capacity. While models like the EPYC 9654 offer similar performance, the 9755 is optimized for workloads that demand extreme parallelism and memory bandwidth.

Intel Xeon Alternatives

Compared to Intel’s Xeon processors in the same class, the EPYC 9755 offers higher core counts, better energy efficiency, and superior price-to-performance ratios. Its single-socket optimization provides a competitive edge in cost-sensitive deployments.