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Intel Core 2 Duo E8400 Wolfdale Dual-Core 3.0 GHz LGA 775 65W BX80570E8400 Processor

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  • 1333 MHz FSB
  • 45nm Wolfdale 65W
  • 6MB L2 Cache

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

With the Wolfdale core Intel pours more power into a Core 2 Duo package. The 45nm process allowed Intel to reduce the power needed to 65W. Lower power means lower CPU heat, which translates to lower system heat and longer system life. They also packed more features into the chip.

L2 cache has been bumped to 6MB and the Front Side Bus has been pushed to 1333MHz. You can now use both DDR2 and the hot new DDR3 memory for extreme performance. They also boosted memory access and execution speed with the Wide Dynamic Execution and Smart Memory Access. These combine to let the processor compute more instructions with more data per clock cycle. You'd better watch out; your enemies will be shooting back faster now.

The Advanced Digital Media Boost feature has been enhanced with the addition of the SSE4 instruction set and Intel HD Boost. This will give your entertainment experience a boost with better audio and video processing. It will also help with speech recognition, engineering and scientific applications. Perhaps most important of all will be the boost to security with increased encryption power and speed.

Learn more about Intel-powered ultrabooks. Check out our Ultrabooks store page.

  • newegg Specialized Dual-core Microarchitecture The Intel Core 2 Duo processor includes dual execution cores in a single processor to enable execution of parallel threads or applications on separate cores, resulting in revolutionary dual-core performance, breakthrough processor energy efficiency and exceptional system response when running multi-threaded or multiple demanding applications simultaneously. The innovative 45nm dual-core technology optimizes thermal performance for reduced power consumption and noise.
  • newegg Intel Advanced Smart Cache Intel Advanced Smart Cache Technology dynamically allocates the shared L2 cache to each processor core based on workload. This efficient, multi-core-optimized implementation increases the probability that each core can access data from fast L2 cache, resulting in significantly reduced latency for frequently used data and improved performance.
  • newegg Intel Extended Memory 64 Technology (Intel EM64T) Intel EM64T provides an enhancement to Intel 32-bit architecture by enabling the desktop processor platform to access larger amounts of memory. With appropriate 64-bit supporting hardware and software, platforms based on an Intel processor supporting Intel EM64T can enable use of extended virtual and physical memory.
  • newegg Enhanced Intel SpeedStep Technology (EIST) EIST allows the system to dynamically adjust processor voltage and core frequency to decrease average power consumption and average heat production. Combined with existing power saving features, EIST may provide an excellent balance between providing power when you need it and conserving power when you don’t.
  • newegg Execute Disable Bit (EDB) Intel's Execute Disable Bit function can prevent certain classes of malicious "buffer overflow" attacks when combined with a supporting operating system. Execute Disable Bit allows the processor to classify areas in memory where application code can execute and where it cannot. When a malicious worm attempts to insert code in the buffer, the processor disables code execution, preventing damage or worm propagation.
  • newegg Intel Virtualization Technology (Intel VT) With Intel VT, one hardware platform functions as multiple "virtual" platforms. For business, Intel VT offers improved manageability, limiting downtime and maintaining worker productivity by isolating computing activities into separate partitions. In the home, Intel VT allows creating unique user environments for multiple family members using the same platform simultaneously.

Learn more about Core 2 Duo E8400

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: Non-refundable
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Replacement Only Return Policy.
Verified Owner
5/ 5
Purchased 8/7/08 9/8/2018 11:21:26 PM

Pros: Still kicking - Been overclocked, beaten on, outlived a couple mobos and power supplies. Still kicking.

Cons: None

1 out of 1 people found this review helpful. Did you?
Verified Owner
5/ 5
Graet chip 12/20/2017 8:28:47 PM

Pros: great CPU running at 4.2GHz the past 7 years no problem

Cons: NONE!!!:)

Overall Review: this is my $550 dollar low budget build beets my bro inlaws $1000+ build on FSB his is a 1066 mine 1333
SYSTEM
ASUS P5QL PRO motherboard 1333/1600 O.C
E8400 Intel Core 2 DUO 3.0GHZ,LGA overclocked to 4.2GHz
Kingston Hyper X 2gig(2X1 gig)
EVGA e-Geforce 8400 gs NVIDEA 512MB video card
XION Solaris XON-403 Black with Green LED Light case
Raid max RX-530SS power supplie
Hitache 750 gig sata hard drive
Sony sata DVD burner

Did you find this review helpful?
5/ 5
Fast for its time 12/23/2016 10:33:23 AM

Pros: Overclockable

Cons: Over priced for 8-9 year old tech

Overall Review: You can buy the same cpu from a place called e*ay for under 5 bucks

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Anonymous
4/ 5
Solid Processor 10/30/2016 12:23:39 PM

Pros: It lasted for over 8 years and I'm still not sure if my build from 2008 died because of the processor or my motherboard.
Great for gaming, ate up everything I threw at it. It's fast considering it is over eight years old.
Good for overclocking, I easily reached 3.9GHz without much of a voltage bump and it was stable for years. I could have gone further but I'm not into entering the danger zone. I think this chip has life in it still and might last awhile longer yet, but not too much longer

Cons: No cons really, you get what you pay for, though why not upgrade to Skylake and a Z170 chipset? And the price seems very high considering the age of the processor. Maybe there's a good reason to justify the high price but I'm not aware of it.

Overall Review: Again, newer games and applications are making use of more then two cores at this point in time, so only buy this chip if you have some specific, esoteric, need. I'm not sure why an i3 6300 wouldn't be a better choice? I guess if you're in love with 775 and don't want to buy a new motherboard then buy this chip, other then that I guess I'm just ignorant.

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5/ 5
Solid LGA 775 CPU 8/2/2016 1:13:16 AM

Pros: Still running strong after 7yrs OC'd to 3.6ghz
Easy install - eventually broke the plastic pins one day when removing from board. A $20 after-market HS&F took care of that
Low power consumption

Cons: Cheap plastic Intel pins for HS&F
Price: I bought this in '09 and it was much, much cheaper ($180ish range)

Overall Review: I wouldn't pay the $250 tag today. Might as well as do yourself a favor and just fully upgrade Mobo and go w/ the i series

1 out of 1 people found this review helpful. Did you?
Verified Owner
5/ 5
Nice 775 Processor. 5/29/2016 8:47:17 PM

Pros: Very quick, lower power use than some of the same speed. Today they are very well priced.

Cons: -

Overall Review: Highly recommended. Have used in 2 systems and both ran/run great, ( GIGABYTE GA-EP45-UD3R, ECS G33T-M2 -Current )

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Ownership: more than 1 year
Verified Owner
5/ 5
Going strong since 2008 7/6/2015 6:34:22 PM

Pros: I've overclocked it and taken it back to stock speeds so many times. This cpu is very resilient. I even broke some of the pins when I removed it from the motherboard to clean it and apply thermal paste a year ago yet the cpu is strong as ever overclocked to 3.8 with fan. could go higher but it doesn't even matter these days.

Cons: none

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
5/ 5
5/23/2015 8:31:09 PM

Pros: No issues after seven years

Cons: None

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