Dell Inc. PowerEdge R760 (Intel Xeon Gold 6430, 2.1 GHz) SPECpower_ssj2008 = 8,665 overall ssj_ops/watt
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Jan 8, 2026
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
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% 99.7% 8,747,997 748 11,690
90% 89.9% 7,890,353 749 10,538
80% 79.8% 7,008,078 729 9,614
70% 69.9% 6,136,757 581 10,561
60% 60.0% 5,269,501 497 10,601
50% 49.9% 4,381,804 461 9,506
40% 40.0% 3,507,695 428 8,188
30% 30.0% 2,635,651 400 6,583
20% 20.0% 1,758,453 374 4,699
10% 10.0% 879,470 345 2,546
Active Idle 0 251 0
∑ssj_ops / ∑power = 8,665
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R760
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R760 (Intel Xeon Gold 6430, 2.1 GHz)
Form Factor: 2U
CPU Name: Intel Xeon Gold 6430 2.1 GHz
CPU Characteristics: 32 core, 2.1 GHz, 60 MB L3 Cache, Max Boost Clock up to 3.40 GHz
CPU Frequency (MHz): 2100
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 + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 60 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
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 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 7.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Controller System
Hardware
Hardware Vendor: Dell Inc
Model: PowerEdge R6515
CPU Description: AMD EPYC 7H12, 2.60 GHz
Memory amount (GB): 512
Software
Operating System (OS): Microsoft Windows Server 2022 Standard
JVM Vendor: Oracle Corporation
JVM Version: Java Development Kit 15.0.2
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 Active Power (W) Minimum Ambient Temperature (°C)
100% 748 26.1
90% 749 26.1
80% 729 26.1
70% 581 26.0
60% 497 25.9
50% 461 25.9
40% 428 25.8
30% 400 25.8
20% 374 25.8
10% 345 26.2
Active Idle 251 26.4
Line Standard Minimum Temperature (°C) Elevation (m)
208V / 60 Hz / 1 phase / 2 wires 25.8 255
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     8,886,918
Calibration 2     8,786,130
Calibration 3     8,768,636
ssj_ops@calibrated=8,777,383
100% 99.7% 8,777,383 8,747,997
90% 89.9% 7,899,645 7,890,353
80% 79.8% 7,021,907 7,008,078
70% 69.9% 6,144,168 6,136,757
60% 60.0% 5,266,430 5,269,501
50% 49.9% 4,388,692 4,381,804
40% 40.0% 3,510,953 3,507,695
30% 30.0% 2,633,215 2,635,651
20% 20.0% 1,755,477 1,758,453
10% 10.0% 877,738 879,470
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.