SPECpower_ssj2008 Copyright (C) 2007-2026 Standard Performance Evaluation Corporation Dell Inc. PowerEdge XR8720t (Intel Xeon 6716P-B) SPECpower_ssj2008 = 17,889 overall ssj_ops/watt Test Sponsor: Dell Inc. SPEC License #: 6573 Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Feb 25, 2026 Publication: Mar 24, 2026 Hardware Availability: Jan-2026 Software Availability: Nov-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% | 99.8% | 6,149,456 | 283 | 21,743 90% | 90.1% | 5,549,000 | 264 | 21,054 80% | 80.0% | 4,931,812 | 220 | 22,428 70% | 70.1% | 4,317,807 | 195 | 22,186 60% | 60.0% | 3,699,349 | 175 | 21,161 50% | 50.0% | 3,079,044 | 157 | 19,554 40% | 40.1% | 2,470,264 | 143 | 17,334 30% | 30.0% | 1,850,129 | 130 | 14,266 20% | 20.1% | 1,236,245 | 119 | 10,432 10% | 10.0% | 616,123 | 107 | 5,735 Active Idle | 0 | 104 | 0 sum of ssj_ops / sum of power = | 17,889 System Under Test Set: 'sut' Set Identifier: sut Set Description: System Under Test # of Identical Nodes: 1 Comment: PowerEdge XR8720t HARDWARE Hardware Vendor: Dell Inc. Model: PowerEdge XR8720t (Intel Xeon 6716P-B) Form Factor: 2U CPU Name: Intel Xeon 6716P-B 2.5 GHz CPU Characteristics: 40 core, 2.5 GHz, 160 MB L3 Cache, Max Boost Clock up to 3.5 GHz CPU Frequency (MHz): 2500 CPU(s) Enabled: 40 cores, 1 chip, 40 cores/chip Hardware Threads: 80 (2 / core) CPU(s) Orderable: 1 chip Primary Cache: 64 KB I + 48 KB D on chip per core Secondary Cache: 2 MB I+D on chip per core Tertiary Cache: 160 MB I+D on chip per chip Other Cache: None Memory Amount (GB): 128 # and size of DIMM: 4 x 32 GB Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400MHz Slots A5-8 populated. Power Supply Quantity and Rating 1 x 1800 (W): Power Supply Details: 1 x 1800W Titanium Efficiency (SKU: 450-BCXB) Disk Drive: 1 x 480 GB NVMe Gen4 M.2 SSD Disk Controller: Integrated PCIe Controller # and type of Network Interface 1 x Intel(R) Ethernet Connection E825-C Cards (NICs) Installed: NICs Enabled in Firmware / OS / 8/8/2 Connected: Network Speed (Mbit): 10000 Keyboard: None Mouse: None Monitor: None Optical Drives: No Other Hardware: None SOFTWARE Power Management: Enabled (see SUT notes) Operating System (OS): SUSE Linux Enterprise Server 16.0 OS Version: 6.12.0-160000.5-default Filesystem: xfs JVM Vendor: Oracle JVM Version: Java HotSpot(TM) 64-Bit Server VM(build 17.0.11+7-LTS-207, mixed mode) JVM Command-line Options: -server -Xms1024m -Xmx1024m -Xmn800m -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: for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 40} JVM Instances: 40 JVM Initial Heap (MB): 1024 JVM Maximum Heap (MB): 1024 JVM Address Bits: 64 Boot Firmware Version: 1.0.4 Management Firmware Version: 1.30.05.10 A00 Workload Version: SSJ 1.2.10 Director Location: Controller Other Software: None Boot Firmware Settings * Virtualization Technology disabled * Adjacent Cache Line Prefetch disabled * Hardware Prefetcher disabled * DCU Streamer Prefetcher disabled * Virtual NUMA enabled with Virtual NUMA Nodes set to 6 * System Profile set to Power Saving Dell Active Power Controller (DAPC) * C-States set to Disabled * Energy Efficient Policy set to Energy Efficient Management Firmware Settings none System Under Test Notes * Each JVM instance was bound to 2 logical processors * SPECpower_ssj.props input.load_level.number_warehouses set to 80 * The System ROM used for this result contains Intel microcode 0x10002B3 Version for the Intel Xeon processor Controller System HARDWARE Hardware Vendor: Dell Inc Model: PowerEdge R650xs CPU Description: 2 x Intel Xeon Gold 5315Y, 3.20 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: T11733387 Connectivity: RS-232 Input Connection: Default Metrology Institute: NIST Accredited by: TesCom Calibration Label: T126625 Date of Calibration: 13-Aug-2025 PTDaemon Host System: same as CCS PTDaemon Host OS: same as CCS PTDaemon Version: 1.11.3-a7835373-20251015 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% | 283 | 20.9 90% | 264 | 20.9 80% | 220 | 20.9 70% | 195 | 21.0 60% | 175 | 21.0 50% | 157 | 21.0 40% | 143 | 21.0 30% | 130 | 21.0 20% | 119 | 21.1 10% | 107 | 21.1 Active Idle | 104 | 21.1 Line Standard | Minimum | Elevation (m) | Temperature | | (Degrees C) | ------------------------- | --------------- | --------------- 208V / 60 Hz / 1 phase / | 20.9 | 255 2 wires | | See the Power/Temperature Details Report (power_ssj2008-20260309-01557-power.txt) for additional details. Aggregate Performance Data Target Load | Actual Load | ssj_ops | | Target | Actual ----------------- | ----------------- | ----------------- | ----------------- Calibration 1 | | | 6,254,502 Calibration 2 | | | 6,168,566 Calibration 3 | | | 6,154,782 ssj_ops@calibrated=6,161,674 100% | 99.8% | 6,161,674 | 6,149,456 90% | 90.1% | 5,545,507 | 5,549,000 80% | 80.0% | 4,929,339 | 4,931,812 70% | 70.1% | 4,313,172 | 4,317,807 60% | 60.0% | 3,697,004 | 3,699,349 50% | 50.0% | 3,080,837 | 3,079,044 40% | 40.1% | 2,464,670 | 2,470,264 30% | 30.0% | 1,848,502 | 1,850,129 20% | 20.1% | 1,232,335 | 1,236,245 10% | 10.0% | 616,167 | 616,123 Active Idle | | 0 | 0 See the Host Performance Report (power_ssj2008-20260309-01557.SLXR871-XR8720t.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]