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Architecture and Features
The EPYC 7642 is built on AMD’s Zen 3 architecture, which provides significant improvements in performance, power efficiency, and security compared to its predecessors. The processor features a total of 64 cores and 128 threads, with a base clock speed of 2.3 GHz and a boost clock speed of up to 3.4 GHz.
One of the standout features of the EPYC 7642 is its support for PCIe 4.0, which enables faster storage and I/O performance compared to traditional PCIe 3.0 solutions. Additionally, the processor boasts 128 lanes of PCIe 4.0 connectivity, making it an ideal choice for data-intensive workloads like AI, HPC, and cloud computing.
Memory and Storage
The EPYC 7642 supports up to 4TB of DDR4 memory in eight channels, providing a massive amount of memory bandwidth for demanding applications. The processor also features 16 PCIe 4.0 lanes dedicated to the CPU, which can be used for high-speed storage or networking solutions.
Security and Power Management
AMD has implemented several security features on the EPYC 7642, including Secure Boot, Platform Security Processor (PSP), and AMD Memory Encryption Engine (MEE). These features provide robust protection against malicious attacks and data breaches.
In terms of power management, the EPYC 7642 is designed to be highly efficient, with a TDP of up to 340W. This allows for reduced cooling costs and increased system uptime in high-density deployments.
Performance
The AMD EPYC 7642 has been put through its paces in various benchmarking tests, and the results are impressive. In SPEC CPU 2017, the processor achieved a score of 3,439 points in the integer-heavy CINT2017 test and 5,144 points in the floating-point-heavy FLOPBench test.
In comparison to Intel’s Xeon Scalable processors, the EPYC 7642 offers significant performance gains in certain workloads. For example, in the HPC benchmarking suite, the EPYC 7642 outperformed the Intel Xeon Platinum 8280 by up to 25% in certain tests.
Conclusion
The AMD EPYC 7642 is a formidable server processor that delivers impressive performance and features for demanding datacenter workloads. With its massive core count, PCIe 4.0 support, and robust security features, this chip is an attractive option for organizations looking to upgrade their infrastructure.
While the EPYC 7642’s high TDP may require additional cooling solutions in certain deployments, its efficiency improvements and reduced power consumption make it a compelling choice for datacenter managers.
Technical Specifications:
- Cores/Threads: 64 cores / 128 threads
- Base Clock Speed: 2.3 GHz
- Boost Clock Speed: up to 3.4 GHz
- PCIe Lanes: 128 lanes (PCIe 4.0)
- Memory Support: Up to 4TB DDR4 memory in eight channels
- Storage: 16 PCIe 4.0 lanes dedicated to the CPU
- Security Features: Secure Boot, PSP, MEE
- Power Management: TDP up to 340W
Comparison with Competitors:
| Processor | Cores/Threads | Base Clock Speed | Boost Clock Speed |
|---|---|---|---|
| AMD EPYC 7642 | 64 / 128 | 2.3 GHz | up to 3.4 GHz |
| Intel Xeon Platinum 8280 | 28 / 56 | 2.7 GHz | up to 3.8 GHz |
| AMD EPYC 7742 | 64 / 128 | 2.25 GHz | up to 3.6 GHz |
Note: The comparison table is a simplified representation of the technical specifications and does not reflect real-world performance differences.
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Scott ComfortPlus Toilet Paper, 12 Double Rolls, 231 Sheets per Roll, Septic-Safe, 1-Ply Toilet Tissue
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