Dell Inc. PowerEdge R6715 (AMD EPYC 9845, 2.10 GHz) SPECpower_ssj2008 = 36,195 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: Jun 29, 2025
Hardware Availability: Mar-2025 Software Availability: Apr-2025 Publication: Aug 12, 2025
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% 99.6% 17,620,663 374 47,115
90% 90.1% 15,948,310 349 45,693
80% 79.5% 14,072,267 324 43,420
70% 70.0% 12,378,317 303 40,849
60% 60.0% 10,616,723 276 38,428
50% 50.0% 8,849,264 251 35,292
40% 40.0% 7,077,040 225 31,422
30% 30.0% 5,314,029 198 26,865
20% 20.0% 3,543,635 171 20,777
10% 10.0% 1,766,803 142 12,484
Active Idle 0 72.8 0
∑ssj_ops / ∑power = 36,195
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R6715
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R6715 (AMD EPYC 9845, 2.10 GHz)
Form Factor: 1U
CPU Name: AMD EPYC 9845 2.10 GHz
CPU Characteristics: 160 core, 2.10 GHz, 320 MB L3 Cache, Max Boost Clock up to 3.70 GHz
CPU Frequency (MHz): 2100
CPU(s) Enabled: 160 cores, 1 chip, 160 cores/chip
Hardware Threads: 320 (2 / core)
CPU(s) Orderable: 1 chip
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 1 MB I+D on chip per core
Tertiary Cache: 320 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 192
# and size of DIMM: 12 x 16 GB
Memory Details: 16GB 1Rx8 PC5-6400-R running at 5200. Slots A1-12 populated.
Power Supply Quantity and Rating (W): 1 x 800
Power Supply Details: 1 x 800W Titanium Efficiency, Dell P/N: 763VM
Disk Drive: 1 x 480GB M.2 NVMe SSD, Dell P/N: VR56V
Disk Controller: PCIe attached Boot Optimized Storage (BOSS) card, Dell P/N: CMFVP
# and type of Network Interface Cards (NICs) Installed: 1 x Dual-port Intel E610-XT2, Dell P/N: FC0HK
NICs Enabled in Firmware / OS / Connected: 2/2/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled (see SUT Notes)
Operating System (OS): Microsoft Windows Server 2022 Datacenter
OS Version: Version 21H2 (OS Build 20348.3453)
Filesystem: NTFS
JVM Vendor: Oracle
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.15+9-LTS-241, mixed mode, sharing)
JVM Command-line Options: -server -Xms1500m -Xmx1500m -Xmn1300m -XX:+UseParallelGC -XX:SurvivorRatio=1 -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:FreqInlineSize=2500
JVM Affinity: start /NODE [0-9] /AFFINITY [0xF,0xF0,0xF00,0xF000,0xF0000,0xF00000,0xF000000,0xF0000000]
JVM Instances: 80
JVM Initial Heap (MB): 1500
JVM Maximum Heap (MB): 1500
JVM Address Bits: 64
Boot Firmware Version: 1.1.2
Management Firmware Version: 1.20.25.00
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 HotSpot(TM) 64-Bit Server VM (build 15.0.2+7-27, mixed mode, sharing)
CCS Version: 1.2.6
Measurement Devices
Power Analyzer pwr1
Hardware Vendor: Yokogawa Meters and Instruments Corporation
Model: WT310E
Serial Number: T11733387
Connectivity: RS-232
Input Connection: Default
Metrology Institute: NIST
Accredited by: Yokogawa
Calibration Label: T11733387
Date of Calibration: 07-Jul-2024
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% 374 27.8
90% 349 27.8
80% 324 27.8
70% 303 27.8
60% 276 27.8
50% 251 27.8
40% 225 27.8
30% 198 27.8
20% 171 27.8
10% 142 27.8
Active Idle 72.8 27.8
Line Standard Minimum Temperature (°C) Elevation (m)
208V / 60 Hz / 1 phase / 2 wires 27.8 255
See the Power/Temperature Details Report for additional details.
Aggregate Performance Data
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     17,734,257
Calibration 2     17,703,418
Calibration 3     17,685,036
ssj_ops@calibrated=17,694,227
100% 99.6% 17,694,227 17,620,663
90% 90.1% 15,924,804 15,948,310
80% 79.5% 14,155,382 14,072,267
70% 70.0% 12,385,959 12,378,317
60% 60.0% 10,616,536 10,616,723
50% 50.0% 8,847,114 8,849,264
40% 40.0% 7,077,691 7,077,040
30% 30.0% 5,308,268 5,314,029
20% 20.0% 3,538,845 3,543,635
10% 10.0% 1,769,423 1,766,803
Active Idle   0 0
Graph of results
See the Host Performance Report for additional details.