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Energy consumption of seven Intel chipset

motherboards

TEST REPORT

NOVEMBER 2008

KEY FINDINGS

z The Intel DQ45EK motherboard-based

system consumed from 2.3 percent to 51.3

percent less energy than the systems with

the three Asus motherboards, the Gigabyte

motherboard, and the Intel DQ35JOE

motherboard. (Figures 1 through 4.)

z The Intel DQ45CB motherboard-based

system consumed from 1.1 percent to 33.3

percent less energy than the systems with

the three Asus motherboards, the Gigabyte

motherboard, and the Intel DQ35JOE

motherboard. (Figures 1 through 4.)

Executive summary

Intel Corporation (Intel) commissioned Principled

Technologies (PT) to run a set of energy consumption

tests on systems with the following seven Intel chipset

motherboards:

• Asus P5B-VM SE with Intel G965 chipset

• Asus P5E-VM DO with Intel Q35 chipset

• Asus P5K-VM with Intel G33 chipset

• Gigabyte GA-G33M-S2L with Intel G33 chipset

• Intel DQ35JOE with Intel Q35 chipset

• Intel DQ45CB with Intel Q45 chipset

• Intel DQ45EK with Intel Q45 chipset

The goal of the testing was to gauge the energy

consumption of each motherboard. Intel specified the test

motherboards and provided the Intel DQ45CB and the

Intel DQ45EK motherboards. PT purchased the remaining

motherboards and all parts in order to build each system. PT executed the tests. Appendix A provides the details

of the test system configurations.

We used an Extech Power Analyzer to measure energy consumption during the following four custom tests:

• System power consumption while idle

• System power consumption while Web browsing

• System power consumption while running the Microsoft Office 2007 Excel Monte Carlo workload

• System power consumption while running the Microsoft Office 2007 Word to PDF conversion with

Microsoft Windows Defender Custom Scan workload.

As Figure 1 shows, compared to

the three Asus motherboard-based

systems, the Gigabyte

motherboard-based system, and

the Intel DQ35JOE system, the

Intel DQ45CB motherboard-based

system consumed from 9.3 percent

to 26.4 percent less energy while

Web browsing for five minutes and

the Intel DQ45EK motherboard-

based system consumed from 8.5

percent to 25.8 percent less

energy.

0.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

Watt hours

Energy consumption while Web browsing for five minutes

(Lower numbers are better)

Asus P5B-VM SE

Asus P5E-VM DO

Asus P5K-VM

Gigabyte GA-

G33M-S2L

Intel DQ35JOE

Intel DQ45CB

Intel DQ45EK

Figure 1: Energy consumption in watt-hours for the seven test systems while Web

browsing for five minutes. Lower numbers are better.

Summary of content (17 pages)

PAGE 1
TEST REPORT NOVEMBER 2008 Energy consumption of seven Intel chipset motherboards Executive summary Intel Corporation (Intel) commissioned Principled Technologies (PT) to run a set of energy consumption tests on systems with the following seven Intel chipset motherboards: • Asus P5B-VM SE with Intel G965 chipset • Asus P5E-VM DO with Intel Q35 chipset • Asus P5K-VM with Intel G33 chipset • Gigabyte GA-G33M-S2L with Intel G33 chipset • Intel DQ35JOE with Intel Q35 chipset • Intel DQ45CB with Intel Q45 chipse
PAGE 2
Watt hours Energy consumption while idle for five minutes (Lower numbers are better) 7.00 Asus P5B-VM SE 6.00 Asus P5E-VM DO 5.00 Asus P5K-VM 4.00 3.00 2.00 Gigabyte GAG33M-S2L Intel DQ35JOE Intel DQ45CB Intel DQ45EK As Figure 2 shows, compared to the three Asus motherboard-based systems, the Gigabyte motherboard-based system, and the Intel DQ35JOE system, the Intel DQ45CB motherboard-based system consumed from 10.3 percent to 28.
PAGE 3
Test results Figure 5 presents energy consumption measurements (the median of three or five runs for each test) for the systems with the seven motherboard models. (In the event of a tie, we chose the run with the higher energy consumption. If the energy consumption score was also tied, we then chose the first run we executed with those scores.) Because energy consumption results represent the energy the systems used when completing the workload, lower is better.
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2. 3. 4. 5. 6. 7. 8. b. The hard drive controller is set to AHCI. c. The RAM speed is set correctly. Save and exit BIOS. Go to each manufacturer’s website, and download the F6 storage driver. Copy this file to a USB flash drive for later use in the installation. Install Windows Vista Ultimate SP1. a. Boot to a Windows Vista Ultimate SP1 DVD. b. When prompted, press any key to boot from CD or DVD. c. At the language and preference screen, accept the default options, and click Next. d. Click Install now.
PAGE 5
9. 10. 11. 12. 6. 7. g. Click Show all locations. h. Under Summary of selected locations, highlight each Included Location listed, which will automatically take you to the indexed location. i. Under Change selected locations, uncheck the boxes next to each indexed location. Turn off User Account Control. a. Click Start. b. Select Control panel. c. Click User Accounts and Family Safety. d. Click User Accounts. e. Click Turn User Account Control on or off. f.
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2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Power down the computer. Attach an external USB hard disk. Power on the computer. At the Symantec Ghost screen, click OK. Select LocalÆDiskÆTo Image. Click OK. Select the Primary disk, and click OK. Select the external hard disk in the copy image to drop-down box, name the file BASE, and click Save. At the Compress Image dialog, select High. At the Proceed dialog, select Yes. When the ghost image is complete, click OK, and exit Ghost. Power down the computer.
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5. Scroll down to the last row in column E, and press Ctrl + Shift + Up. This should select the entire E column. 6. Press Ctrl + D to fill in column E. 7. Select cell A1, and press Ctrl + F. 8. In the Find What Field, type olw, and click Find Next. This will find any outliers that may have occurred during the test. 9. Delete any row that produced an outlier. 10. In an empty cell, type =average(e:e), and press Enter. This is the Average Power Draw in Watts.
PAGE 8
Microsoft Office Excel 2007 Monte Carlo Black-Scholes Intel provided the file this test uses: MonteCarloBlackScholesOptionPricing.xlsm. The file size is 70.1 MB (73,607,121 bytes). We performed the following steps to set up and run this test: Setting up the test 1. Reset the system to the base test image. 2. Copy the MonteCarloBlackScholesOptionPricing.xlsm test file to the Documents directory. 3. Install Microsoft Office 2007 Ultimate Edition with default settings: a.
PAGE 9
Setting up the test 1. Reset the system to the base test image. 2. Install Adobe Acrobat Reader 9.0 with default settings: a. Go to http://www.adobe.com/products/acrobat/readstep2.html. b. Uncheck install Google Toolbar, and click Download. c. Install the Active X control. d. Click Install. e. Click Finish. f. Launch Adobe Acrobat Reader. g. Click Agree at the license agreement screen. h. Close Adobe Acrobat Reader. 3. Copy the Windows Defender workload to C:\DefenderWorkload1. 4.
PAGE 10
17. 18. 19. 20. When Adobe Acrobat Reader 9 completes loading the newly created PDF file, stop the stopwatch. Record this time as the PDF creation test’s result. Bring Windows Defender to the foreground. When the Windows Defender scan finishes, stop the Extech Power Analyzer by clicking FileÆEnd Recording. 21. Record the scan time Windows Defender reports as the scan time’s test result. 22. Delete the Office11 Install Guide.pdf file. 23. Repeat the steps four more times, rebooting between runs.
PAGE 11
Appendix A – Test system configuration information Figures 6 and 7 provide detailed configuration information about each of the systems, which we list in alphabetical order.
PAGE 12
System Speed running in the system (MHz) Timing/Latency (tCL-tRCD-tRPtRASmin) Size Number of memory module(s) Chip organization (Single-sided, Double-sided) Channel (Single/Dual) Hard disk Vendor and model number Size Buffer Size RPM Type Controller Driver Asus P5B-VM SE with Intel G965 chipset Asus P5E-VM DO with Intel Q35 chipset Asus P5K-VM with Intel G33 chipset 800 800 800 Gigabyte GAG33M-S2L with Intel G33 chipset 800 5-5-5-18 5-5-5-18 5-5-5-18 5-5-5-18 2048 MB 2 x 1024 MB 2048 MB 2 x 102
PAGE 13
System Asus P5B-VM SE with Intel G965 chipset Asus P5E-VM DO with Intel Q35 chipset Asus P5K-VM with Intel G33 chipset Gigabyte GAG33M-S2L with Intel G33 chipset Realtek High Definition Audio Realtek 6.0.1.5397 (04/10/2007) Realtek High Definition Audio Realtek 6.0.1.5443 (07/10/2007) Realtek High Definition Audio Realtek 6.0.1.5371 (02/06/2007) Realtek High Definition Audio Realtek 6.0.1.5653 (06/27/2008) Attansic L1 Gigabit Attansic 1.0.5600.1115 9 (11/15/2006) Intel 82566DM2 Intel 9.9.13.
PAGE 14
Intel DQ35JOE with Intel Q35 chipset Intel DQ45CB with Intel Q45 chipset Intel DQ45EK with Intel Q45 chipset 1P2C2L / MP 1P2C2L / MP 1P2C2L / MP 1 1 1 Dual Dual Dual Balanced Balanced Balanced Enhanced Intel SpeedStep Technology Enhanced Intel SpeedStep Technology Enhanced Intel SpeedStep Technology Intel Core 2 Duo E8600 A Intel Core 2 Duo E8600 A Intel Core 2 Duo E8600 A LGA 775 LGA 775 LGA 775 3.33 1333 2 x 32 KB + 2 x 32 KB 6 MB 3.33 1333 2 x 32 KB + 2 x 32 KB 6 MB 3.
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System Timing/Latency (tCLtRCD-tRP-tRASmin) Size Number of memory module(s) Chip organization (Singlesided, Double-sided) Channel (Single/Dual) Hard disk Vendor and model number Size Buffer Size RPM Type Controller Driver Operating system Name Build number Service Pack File system Kernel Language Microsoft DirectX version Graphics Vendor and model number Type Chipset BIOS version Total Available Graphics Memory Dedicated Video Memory System Video Memory Shared System Memory Resolution Driver Sound card/subs
PAGE 16
Intel DQ35JOE with Intel Q35 chipset Intel DQ45CB with Intel Q45 chipset Intel DQ45EK with Intel Q45 chipset Intel 9.12.17.0 (02/06/2008) Intel 10.3.45.0 (07/22/2008) Intel 10.3.45.0 (07/22/2008) Lite-On DH16D3S Lite-On DH16D3S Lite-On DH16D3S DVD-ROM SATA Dual DVD-ROM SATA Dual DVD-ROM SATA Dual 12 USB 2.0 12 USB 2.0 10 USB 2.
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About Principled Technologies We provide industry-leading technology assessment and fact-based marketing services. We bring to every assignment extensive experience with and expertise in all aspects of technology testing and analysis, from researching new technologies, to developing new methodologies, to testing with existing and new tools. When the assessment is complete, we know how to present the results to a broad range of target audiences.