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Test Setup And Overclocking Table

Overclocking: Get The Performance Of A Core i5 From Core i3
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Intel’s $115 Core i3-530 doesn't include Turbo Boost technology and it doesn't boast hardware-based AES-NI, but it overclocks like a fiend. We benchmarked this dual-core, HT-equipped chip at 4.4 GHz and determined the most power-efficient overclock.

System Hardware
HardwareDetails
Performance Benchmarks
Motherboard
(Socket LGA 1156)
Gigabyte P55A-UD7  (Rev. 1.0); Chipset: P55; BIOS: F4
CPU Intel
Intel Core i3-530 (32 nm, 2.93 GHz, 4 x 256KB L2 and 4MB L3 Cache, TDP 73W)
CPU Intel IIIntel Core i5-750 (45 nm, 2.66 GHz, 4 x 256KB L2 and 8MB L3 Cache, TDP 95W, Rev. B1)
CPU Intel IIIIntel Core i5-661 (32 nm, 3.33 GHz, 2 x 256KB L2 and 4MB L3 Cache, TDP 87W, Rev. B1)
RAM DDR3 2 x 2GB DDR3-1333 (OCZ3G2000LV4GK 8-8-8-24)
GraphicsSapphire Radeon HD 5850
GPU: Cypress (725 MHz), Graphics RAM: 1,024MB GDDR5 (2,000 MHz), Stream Processors: 1,440
Hard DriveWestern Digital VelociRaptor, 300GB (WD3000HLFS), 10,000 RPM, SATA 3Gb/s, 16MB Cache
Power SupplyEnermax Pro 82+, EPR425AWT
System Software & Drivers
Operating SystemWindows 7 Ultimate x64
Updated on 2010-03-03
Drivers and Settings
Intel Chipset DriversChipset Installation Utility Ver. 9.1.1.1025
Intel Storage DriversMatrix Storage Drivers Ver. 8.​9.​0.​1023
Audio Benchmarks and Settings
BenchmarkDetails
iTunesVersion: 9.0.3.15
Audio CD ("Terminator II" SE), 53 min.
Convert to AAC audio format
Lame MP3Version 3.98.3
Audio CD "Terminator II SE", 53 min.
convert WAV to MP3 audio format
Command: -b 160 --nores (160 Kbps)
Video Benchmarks and Settings
BenchmarkDetails
Handbrake CLIVersion: 0.94
Video: Big Buck Bunny (720x480, 23.972 frames) 5 Minutes
Audio: Dolby Digital, 48000 Hz, 6-Channel, English
to
Video: AVC1 Audio1: AC3 Audio2: AAC (High Profile)
Mainconcept Reference v2Version: 2.0.0.1555
MPEG-2 to H.264
MainConcept H.264/AVC Codec
28 sec. HDTV 1920x1080 (MPEG-2)
Audio:
MPEG-2 (44.1 kHz, 2-Channel, 16-Bit, 224 Kbps)
Codec: H.264 Pro
Mode: PAL 50i (25 FPS)
Profile: H.264 BD HDMV
Application Benchmarks and Settings
BenchmarkDetails
7-ZipVersion 9.1 beta
LZMA2
Syntax "a -t7z -r -m0=LZMA2 -mx=5"
Benchmark: 2010-THG-Workload
WinRARVersion 3.92
RAR
Syntax "winrar a -r -m3"
Benchmark: 2010-THG-Workload
WinZip 14Version 14.0 Pro (8652)
WinZIP Commandline Version 3
ZIPX
Syntax "-a -ez -p -r"
Benchmark: 2010-THG-Workload
Autodesk 3ds Max 2010Version: 10 x64
Rendering Space Flyby Mentalray (SPECapc_3dsmax9)
Frame: 248
Resolution: 1440 x 1080
Cinebench 11.5Version 11.5 Build CB25720DEMO
CPU Test single and multi threaded
Adobe Photoshop CS 4 (64-Bit)Version: 11
Filtering a 16MB TIF (15000x7266)
Filters:
Radial Blur (Amount: 10; Method: zoom; Quality: good)
Shape Blur (Radius: 46 px; custom shape: Trademark sysmbol)
Median (Radius: 1px)
Polar Coordinates (Rectangular to Polar)
Adobe Acrobat 9 ProfessionalVersion: 9.0.0 (Extended)
== Printing Preferenced Menu ==
Default Settings: Standard
== Adobe PDF Security - Edit Menu ==
Encrypt all documents (128-bit RC4)
Open Password: 123
Permissions Password: 321
Microsoft PowerPoint 2007Version: 2007 SP2
PPT to PDF
PowerPoint Document (115 Pages)
Adobe PDF-Printer
FritzFritz Chess Benchmark Version 4.3.2
Synthetic Benchmarks and Settings
BenchmarkDetails
3DMark VantageVersion: 1.02 Patch 1901
Options: Performance
Graphics Test 1
Graphics Test 2
CPU Test 1
CPU Test 2
PCMark VantageVersion: 1.0.2.0 Patch 1901
PCMark Benchmark
Memories Benchmark
SiSoftware Sandra 2010Version: 2010.1.16.10
Processor Arithmetic, Cryptography, Memory Bandwith


Overclocking Table

Core i3-5302,933 MHz3,300 MHz3,608 MHz3,806 MHz4,004 MHz4,202 MHz4,400 MHz
Multiplier22x22x22x22x22x22x22x
Base Frequency133 MHz150 MHz164 MHz173 MHz182 MHz191 MHz200 MHz
RAM10x
8x8x8x6x6x6x
RAM1,333 MHz1,200 MHz1,312 MHz1,384 MHz1,092 MHz1,146 MHz1,200 MHz
System Idle Power80W80W80W82W82W83W84W
System Peak Power127W129W135W138W145W155W170W
BIOS Vcore0 mV0 mV0 mV25 mV50 mV100 mV175 mV
VTT
1.1V1.1V1.1V1.12V1.14V1.16V1.2V
CPU-Z VT idle0.944V0.944V0.944V0.976V1.008V1.056V1.120V
CPU-Z VT load1.168V1.168V1.184V1.200V1.232V1.280V1.344V
PCH
1.8V1.8V1.8V1.8V1.8V1.8V1.8V
RAM
1.5V1.5V1.5V1.5V1.5V1.5V1.5V
Fritz chess benchmark5363
59856529
69077201
75517916
Stable
Yes
YesYesYesYesYesYes
QPI44
36
32
32
32
28
28


Display all 40 comments.
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Top Comments
  • 18 Hide
    Gedoe_ , May 14, 2010 11:41 AM
    Will this work with cheaper mobos as well? Having a budget CPU and a expensive mobo makes little sense by my book.
  • 18 Hide
    ytoledano , May 14, 2010 10:22 AM
    The most impressive part, IMO, is the low idle power consumption. I don't care if the CPU drains my power socket during the 0.5% of the time it's at 100% load as long as it doesn't hog too much power at idle.
  • 12 Hide
    banthracis , May 14, 2010 9:43 PM
    Doesn't the use of a $280 MOBO completely negate the $80 savings of buying a cheaper CPU and then some?

    I question the validity of any value conclusions from this article.
Other Comments
  • 6 Hide
    AZRAELCRUZ , May 14, 2010 9:41 AM
    nice article
  • 18 Hide
    ytoledano , May 14, 2010 10:22 AM
    The most impressive part, IMO, is the low idle power consumption. I don't care if the CPU drains my power socket during the 0.5% of the time it's at 100% load as long as it doesn't hog too much power at idle.
  • 0 Hide
    ratbert , May 14, 2010 10:57 AM
    Always like these reviews, and glad they finally did this cpu. I bought this and a MSI board when these first came out for $200 on a combo deal, and it is a great little o'clocker. I am running at 3.8ghz and idle at 74 watts (MSI's boards are more energy efficient). I had to add .10V for stability. Runs rings around my C2D E8400 at 3.8.
  • 0 Hide
    idisarmu , May 14, 2010 11:18 AM
    ArticleWe took the board from a 133 MHz base clock all the way past 200 MHz. In earlier overclocking tests, we learned that this board can actually go higher, so we know that the processor is acting as our frequency, not the motherboard.


    I think you meant to type "bottleneck" not frequency.
  • 18 Hide
    Gedoe_ , May 14, 2010 11:41 AM
    Will this work with cheaper mobos as well? Having a budget CPU and a expensive mobo makes little sense by my book.
  • 8 Hide
    Onus , May 14, 2010 11:41 AM
    Can similar results be obtained on a mid-range mobo, i.e. can those on a budget hope to achieve similar results?
  • -6 Hide
    andrewcutter , May 14, 2010 12:18 PM
    just a quick question..
    if 530 when overclocked performs and drinks power similar to other chips like 750 and 661, leaving aside the fact that it is cheap which will last longer before giving way.
    A overcloacked 530 or stock 661 or 750
  • 2 Hide
    cib24 , May 14, 2010 12:52 PM
    Great article, can't wait to see an overclocking efficiency test with the AMD X6 CPUs.
  • -5 Hide
    manitoublack , May 14, 2010 2:01 PM
    so you could in essence power this rig with an old 200W PSU.

    Not bad
  • -1 Hide
    scooterlibby , May 14, 2010 3:51 PM
    Would have really liked to have seen how this pumped dual compared to a similarly OC'd Core 2 Duo.
  • 4 Hide
    abhishekk89 , May 14, 2010 4:31 PM
    i'd like to see how much of overclocking this chip is capable of with ordinary motherboards sub $130 H55 motherboards
  • 0 Hide
    icerock , May 14, 2010 5:11 PM
    very nice article, but what about overclocking on stock cooler ? because i've heard that it could reach almost 4Ghz using the stock heatsink/fan.
  • 4 Hide
    jerreece , May 14, 2010 5:13 PM
    Now let's see those charts with the i5-750 @ 4Ghz compared to those OC'd i3's. :)  Just to keep things in perspective.
  • 2 Hide
    fernandogmd , May 14, 2010 6:04 PM
    This article oc´s the i3 with premium mobo and fan, wich rises the costs very close to a i5-750 with stock fan and a cheap mobo wich as we have just seen is almost the same in performance, but you have 2 more cores. It would be interesting if you can get the same oc with a more common (cheap) mobo and the stock cooler
  • 2 Hide
    strongdc , May 14, 2010 7:16 PM
    Nice article. Shows the immense potential of i3. But one more thing I would like to know is what were the temperatures like?? I live in Delhi, India and the ambient temperatures easily go over 40C in summers. Would I be able to get that kind of overclocking here??
  • -4 Hide
    notty22 , May 14, 2010 7:29 PM
    X3's don't get anywhere near 4.4, lol
    The phenomII's can hit 4.0
    The Athlons top out at 3.6~ Check out the reviews with the new c3 stepping 440's. Heres a suicide run, and try doing that with cheap m/b like others are suggesting would be a good idea ? lol. An o/c needs to pick a quality m/b. Nothing new here.
    =====================

  • 12 Hide
    banthracis , May 14, 2010 9:43 PM
    Doesn't the use of a $280 MOBO completely negate the $80 savings of buying a cheaper CPU and then some?

    I question the validity of any value conclusions from this article.
  • 1 Hide
    burnley14 , May 14, 2010 11:00 PM
    Is the stock cooler capable of properly handling the 3.33GHz overclock? Or is an aftermarket cooler necessary?
  • 3 Hide
    Anonymous , May 14, 2010 11:53 PM
    i agree with these other people. A comparison of these processors (all the ones you've dialed in efficiency on) is in order. and a core 2 of similar level should be compared with this i3 processor as well. and use a budget motherboard with a budget cpu next time!
  • -1 Hide
    ratbert , May 14, 2010 11:56 PM
    icerockvery nice article, but what about overclocking on stock cooler ? because i've heard that it could reach almost 4Ghz using the stock heatsink/fan.

    I have a $100 H55 MSI H55M-E33 and it overclocks great. Running at 3.8ghz at 74 watts idle power. I agree this chip is not worth spending $200+ on a mb so I did not. I got going for $300 with cpu, mb, and memory.
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