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

General Information

• Product Type: Server Processor
• Product Manufacturer: Advanced Micro Devices Inc (AMD)
• Manufacturer Part Number: 100-000001147
• Product Model: EPYC 9755
• Architecture / Lithography: Zen 5, 4nm
• Series: EPYC 9005 Series

Technical Specifications

• Processor Type: High-performance Server Processor
• Total Cores / Threads: 128 cores with 256 simultaneous threads for massive parallel computing
• Base Clock Speed: 2.70 GHz for steady performance across workloads
• Maximum Turbo Frequency: Up to 4.10 GHz for peak demand bursts
• Cache Memory: 512 MB L3 cache for rapid data access
• Manufacturing Process: Advanced 4nm technology for efficiency and reduced power consumption
• Socket Compatibility: SP5, supporting both single- and dual-socket configurations
• Thermal Design Power (TDP): 500W for high-density computing environments

Memory & Connectivity

Memory Performance

• Memory Type: DDR5 with next-generation speed and reliability
• Memory Channels: 12-channel architecture for ultra-high bandwidth
• Maximum Memory Speed: Up to 6000 MT/s for fast data processing
• Memory Bandwidth: 576 GB/s per socket for data-intensive workloads

Expansion & I/O

• PCI Express: PCIe 5.0 x128 providing ultra-fast connectivity for GPUs, storage, and networking

Architecture & Core Technology

Advanced Compute Architecture

• 128-core design optimized for HPC, AI, and large-scale enterprise computing
• 256 threads enabling extreme parallel processing

Instruction Set & Security

• Key Technologies: AMD Infinity Guard, AMD Infinity Architecture for secure, high-performance operations
• Supports advanced encryption, virtualization, and workload isolation

Workload Optimization

Best-Suited Applications

• Artificial Intelligence (AI) model training and inference
• High-Performance Computing (HPC) clusters and simulations
• Media streaming and content delivery platforms
• Analytics, data mining, and business intelligence
• Virtualization, cloud infrastructure, and container orchestration
• Enterprise-grade security and encrypted computing

Power & Thermal Efficiency

Optimized Energy Usage

• 500W TDP designed for sustained high-performance in server racks
• Advanced 4nm process reduces power consumption while maximizing throughput

Deployment Advantages

• Flexible single- or dual-socket configuration for scalable infrastructure
• Large L3 cache and high core/thread count accelerate AI, analytics, and HPC workloads
• DDR5 12-channel memory ensures rapid, reliable data access

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

The AMD 100-000001443 EPYC 9755 128-Core Processor is a groundbreaking addition to AMD’s 5th Generation EPYC lineup, codenamed “Turin.” Built on the ultra-efficient 4nm process node, this processor sets a new benchmark for compute density, energy efficiency, and scalability in modern data centers. With 128 cores and 256 threads, it is engineered to power the most demanding workloads across hyperscale cloud environments, AI/ML training clusters, and enterprise-grade virtualization platforms.

Turin Architecture: A Leap in Server Processing

Zen 5 Core Design

The EPYC 9755 is based on AMD’s Zen 5 architecture, which introduces significant enhancements in IPC (instructions per cycle), branch prediction, and execution efficiency. Zen 5 cores are optimized for parallelism, low-latency memory access, and high-throughput computing, making them ideal for next-generation workloads.

128 Cores and 256 Threads

With 128 physical cores and support for simultaneous multithreading (SMT), the EPYC 9755 delivers 256 threads of compute power. This unprecedented core density enables massive parallel processing, ideal for containerized microservices, virtual machine consolidation, and AI model training.

Base and Boost Clock Speeds

Operating at a base frequency of 2.0GHz and capable of boosting to higher clock speeds under load, the EPYC 9755 balances raw performance with energy efficiency. The dynamic frequency scaling ensures optimal performance across diverse workloads, from batch processing to real-time analytics.

Advanced Cache Hierarchy

Massive L3 Cache for Data-Intensive Workloads

The EPYC 9755 features an enormous 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, scientific simulations, and AI inference engines.

Cache Architecture Optimization

Each Zen 5 core is equipped with dedicated L1 and L2 caches, while the shared L3 cache is distributed across core complexes. This hierarchical cache design minimizes bottlenecks and ensures efficient data retrieval, supporting high concurrency and throughput.

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 and real-time analytics.

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.

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.

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.

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 multi-tenant and cloud environments.

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.

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.