SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Dell Inc. PowerEdge R7625 SPECpower_ssj2008 = 12,991 overall ssj_ops/watt Test Sponsor: Dell Inc. SPEC License #: 6573 Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Jan 8, 2026 Publication: Apr 22, 2026 Hardware Availability: Feb-2023 Software Availability: Jul-2025 Test Method: Single Node System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered Benchmark Results Summary Performance | Power | Performance | | to Power | | Ratio Target Load | Actual Load | ssj_ops | Average | | | | Active Power | | | | (W) | ------------- | ------------- | ------------- | ------------- | ------------- 100% | 99.5% | 12,616,573 | 687 | 18,373 90% | 90.0% | 11,411,724 | 654 | 17,450 80% | 80.0% | 10,138,456 | 617 | 16,443 70% | 69.9% | 8,866,679 | 573 | 15,486 60% | 60.0% | 7,600,769 | 520 | 14,605 50% | 50.1% | 6,345,009 | 497 | 12,768 40% | 40.0% | 5,071,770 | 459 | 11,039 30% | 30.0% | 3,799,544 | 409 | 9,296 20% | 20.0% | 2,535,308 | 384 | 6,611 10% | 10.0% | 1,266,682 | 347 | 3,647 Active Idle | 0 | 215 | 0 sum of ssj_ops / sum of power = | 12,991 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: PowerEdge R7625 HARDWARE Hardware Vendor: Dell Inc. Model: PowerEdge R7625 Form Factor: 2U CPU Name: AMD EPYC 9354 3.25 GHz CPU Characteristics: 32 core, 3.25 GHz, 256 MB L3 Cache, Max Boost Clock up to 3.8 GHz CPU Frequency (MHz): 3250 CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip Hardware Threads: 128 (2 / core) CPU(s) Orderable: 1,2 chip Primary Cache: 32 KB I + 32 KB D on chip per core Secondary Cache: 1 MB I+D on chip per core Tertiary Cache: 256 MB I+D on chip per chip, 32 MB shared / 4 cores Other Cache: None Memory Amount (GB): 1536 # and size of DIMM: 24 x 64 GB Memory Details: 64 GB 2Rx4 PC5-4800-R, Slots A1-12, B1-12 populated. Power Supply Quantity and Rating 2 x 2800 (W): Power Supply Details: 2 x Delta 2800W Titanium Efficiency (DPN - P56GH) Disk Drive: 4 x 3.84 TB E3.S NVMe (DPN - 6RC59), 2 x 480 GB M.2 NVMe (DPN - 3JC4V) Disk Controller: Onboard PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card # and type of Network Interface 1 x Broadcom 5720 Dual Port 1GbE LOM, 1 x Cards (NICs) Installed: Broadcom 57414 Dual Port 25GbE LOM NICs Enabled in Firmware / OS / 4/4/1 Connected: Network Speed (Mbit): 1000 Keyboard: None Mouse: None Monitor: None Optical Drives: No Other Hardware: None SOFTWARE Power Management: Balanced power plan in OS (see SUT notes) Operating System (OS): Microsoft Windows Server 2025 Datacenter OS Version: Version 24H2 (OS Build 26100.1) Filesystem: NTFS JVM Vendor: Oracle Corporation JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.16+12-LTS-247, mixed mode, sharing) JVM Command-line Options: -server -Xms1500m -Xmx1500m -Xmn1300m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap JVM Affinity: start /NODE [0-15] /AFFINITY [0xF,0xF0] JVM Instances: 32 JVM Initial Heap (MB): 1500 JVM Maximum Heap (MB): 1500 JVM Address Bits: 64 Boot Firmware Version: 1.15.3 Management Firmware Version: 7.20.80.50 A00 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings * NUMA Nodes per Socket: 4 * L3 Cache as NUMA Domain: Enabled * System Profile: Custom * Power Profile Select: Efficiency Mode Management Firmware Settings Minimum Power (Performance per Watt Optimized) System Under Test Notes * Each JVM instance was bound to 4 logical processors * Using the local security settings console, "lock pages in memory" was enabled for the user running the benchmark * Hard Disk set to turn off after 1 minute * Display set to turn off after 1 minute * SPECpower_ssj.props input.load_level.number_warehouses set to 128 due to a known inconsistency in processor reporting with this Java version * Power Plan Minimum processor state set to 0% * Power Plan Maximum processor state set to 100% * The System ROM used for this result contains Intel microcode 5811100A Version for the Intel Xeon processor Controller System HARDWARE Hardware Vendor: Dell Inc Model: PowerEdge T150 CPU Description: Intel Xeon E-2378, 2.60 GHz Memory amount (GB): 32 SOFTWARE Operating System (OS): Microsoft Windows Server 2022 Datacenter JVM Vendor: Oracle Corporation JVM Version: Hotspot(TM) Client VM, version 15.0.2+7 (build 15.0.2+7, mixed mode) CCS Version: 1.2.6 Measurement Devices POWER ANALYZER PWR1 Hardware Vendor: Yokogawa Meters and Instruments Corporation Model: WT310 Serial Number: T11733384 Connectivity: RS-232 Input Connection: Default Metrology Institute: NIST Accredited by: TesCom Calibration Label: T126624 Date of Calibration: 13-Aug-2025 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.1-462c978e-20240907 Setup Description: Connected to power supply TEMPERATURE SENSOR TEMP1 Hardware Vendor: Digi International Inc. Model: Watchport/H Driver Version: 5.10.26.0 Connectivity: USB PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS Setup Description: 25 mm in front of SUT main airflow intake Notes None Aggregate Electrical and Environmental Data Target Load | Average | Minimum | Active | Ambient | Power (W) | Temperature | | (Degrees C) ----------- | ---------- | ------------- 100% | 687 | 25.6 90% | 654 | 25.6 80% | 617 | 25.6 70% | 573 | 25.6 60% | 520 | 25.6 50% | 497 | 25.6 40% | 459 | 25.6 30% | 409 | 25.6 20% | 384 | 25.6 10% | 347 | 25.6 Active Idle | 215 | 25.6 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 208V / 60 Hz / 1 phase / | 25.6 | 255 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260406-01563-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 12,898,985 Calibration 2 | | | 12,685,220 Calibration 3 | | | 12,666,260 ssj_ops@calibrated=12,675,740 100% | 99.5% | 12,675,740 | 12,616,573 90% | 90.0% | 11,408,166 | 11,411,724 80% | 80.0% | 10,140,592 | 10,138,456 70% | 69.9% | 8,873,018 | 8,866,679 60% | 60.0% | 7,605,444 | 7,600,769 50% | 50.1% | 6,337,870 | 6,345,009 40% | 40.0% | 5,070,296 | 5,071,770 30% | 30.0% | 3,802,722 | 3,799,544 20% | 20.0% | 2,535,148 | 2,535,308 10% | 10.0% | 1,267,574 | 1,266,682 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20260406-01563.SLR6704.txt) for additional details. Copyright (C) 2007-2026 Standard Performance Evaluation Corporation http://www.spec.org - info@spec.org SPECpower_ssj2008 Reporter Version: [SSJ 1.2.10, May 9, 2012]