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ThinkSystem SR645 V3 Sets 2 World Records with New SPECPower on Windows Benchmark Result

Performance Benchmark Result

10 Jul 2023
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4 pages, 138 KB


The Lenovo ThinkSystem SR645 V3 has set 2 new performance world records for the SPECpower_ssj 2008 benchmark.

This document summarizes the SPECpower_ssj 2008 benchmark result for the ThinkSystem SR645 V3 that was published on July 1, 2023. The document lists the result, summarizes the major components of the configuration under test, and provides the link to the relevant benchmark organization’s web site for details about the result.


Lenovo has published a new SPECpower_ssj 2008 benchmark result that has set two new world records. The result has been achieved on the powerful Lenovo ThinkSystem SR645 V3 server using the new AMD EPYC 9754 processor.

The world-record benchmark results are:

  • Best overall score on a 1U rack system
  • Best score on a 2-processor, 1U rack system running Microsoft Windows Server

Lenovo ThinkSystem SR645 V3The SPECpower_ssj 2008 benchmark is an industry-standard benchmark that evaluates the power and performance characteristics of single servers and multi-node servers.

The ThinkSystem SR645 V3 server achieved the following score :

  • SPECpower_ssj2008 = 31,634 overall ssj_ops/watt

The SR645 V3 was configured as follows:

  • 2x AMD EPYC 9754 ("Bergamo") processors (128 cores, 2.25 GHz, 256 MB L3 cache)
  • 384 GB of DDR5 memory
  • 1x 240GB M.2 SSD
  • Microsoft Windows Server 2022 Datacenter Edition
  • Oracle Java HotSpot 64-Bit Server VM 18.9 (build, mixed mode)

Results referenced are current as of July 1, 2023.

This benchmark result can be found at the following web page:

To view all SPECpower_ssj 2008 results, see the following page:

About the ThinkSystem SR645 V3

The ThinkSystem SR645 V3 with AMD processors, is the most powerful 2S 1U server in the industry. Ideal for Cloud Service Providers and high-performance computing workloads with its ultra-dense design and option for liquid cooling. The 256 cores of the dual 4th Gen AMD EPYC™ processors with up to 160 PCIe lanes and up to 6TB of the latest DDR5 memory, maximize the performance of this 2U server.

The SR645 V3 is designed to support today’s infrastructure and easily scale to prepare for next gen workloads. Multiple drive options using SAS/SATA and NVMe with hot-swap capabilities and XClarity system management software enable changes to be made quickly with ease.

About SPECpower

The SPEC Power benchmark suite measures the power and performance characteristics of server-class computer equipment. It is used to compare power and performance among different servers and serves as a toolset for use in improving server efficiency. This benchmark is targeted for use by hardware vendors, IT industry, computer manufacturers, and governments.

Learn more

To learn more about power-efficient solutions for compute-intensive applications, please contact your Lenovo Sales Representative.

To find out more about SPEC, visit

To learn more about the Lenovo ThinkSystem SR645 V3 server, visit the SR645 V3 product web page:

Related product families

Product families related to this document are the following:


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AMD and AMD EPYC™ are trademarks of Advanced Micro Devices, Inc.

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SPEC®, SPECpower_ssj®, and SPECpower® are trademarks of the Standard Performance Evaluation Corporation (SPEC).

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