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Item#: N82E16819115037

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

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

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of Core 2 Duo E8400

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  • J. Franklin
  • 11/17/2014 6:13:41 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill strong in 2014

Pros: Very reliable CPU. Bought this CPU in May 2008. This is still running strong in Nov 2014. It has survived a motherboard, and a video card, and refuses to be fail. I can still run modern games with this computer. I am proud to have bought this CPU.

If you are looking to obtain a cheap, reliable processor that can run many modern games, consider this one.

Cons: none

Did you find this review helpful? Yes No

  • math_dude
  • 9/27/2014 12:26:04 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill Going...

Pros: - Works as intended with no surprises
- Overclockable (though, you need a good motherboard, P45 is a good Intel chipset for this CPU)
- Durable (Still using it and went from main --> backup --> home server from January 2009 to present)

Ran @ stock speeds for a long time (January 2009 to summer 2011) and then overclocked it after getting a better cooler (Zalman CNPS9900ALED) for a good deal around summer 2011. It has stayed overclocked to 3.6 GHz (20% OC) with 400 FSB x 9 multiplier. The Kingston HyperX 4x2GB = 8GB had to be adjusted to 2.66 x 400 = 1064 @ 7-7-7-20 @ 2.0V afterwards from the original 3.2 x 333 = 1065.6 @ 7-7-7-20 @ 2.0V.

Did a lot of work with this in my main system for the first couple years before I phased it out to home server/networking duties. It has survived through my college years.

This Core 2 Duo E8400 CPU is just a great product of engineering. I expect this to be one of the proud artifacts humans dig up hundreds to thousands of years from now, assuming humans are still around.

Cons: - Will be fine with stock Intel cooler for normal spec'd operation but will definitely need a good Intel P-series chipset motherboard (I recommend P45) and a good cooler if you plan to overclock it.

Other Thoughts: You can get these CPUs still on other online auction or retail sites for $5 to $20, a good P45 DDR2/DDR3 motherboard for $50, 4GB of DDR2 for $10 to $20 (or 4GB of DDR3 for dirt cheap), and the other stuff (cooler, tower, GPU, hdd/ssd) for $80 to $150, and you got yourself a very capable PC for $145 to $240.

Almost makes me want to try that just for the heck of it! ;)

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  • Ibam
  • 7/2/2014 6:31:15 PM
  • Tech Level: Average
  • Ownership: more than 1 year

5 out of 5 eggsStill available

Pros: This is a very nice processor. In Indonesia, you can still buy a brand new e8400 for about US$30 (tray+fan). I've using Intel socket 775 for about 8 years. and e8400 is my second processor.

Cons: nothing to complain

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  • N/A
  • 4/13/2014 8:27:48 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsBest CPU of all time?

Pros: Built my first ever PC six years ago and put this beast in it. It's still running strong. I was on a very limited budget at the time but read every review I could to justify the high cost... Worth every penny.

Cons: I could not for the life of me get it to OC. It might have been user error, but I tried EVERYTHING. Not that I needed it, but still would have been nice.

Other Thoughts: Paired it with an Arctic Cooling Freezer Pro 7 and it was cold as ice. I'm getting nostalgic just thinking of this. One of the best purchases I've ever made.

1 out of 1 people found this review helpful. Did you? Yes No

  • Maros
  • 1/9/2014 11:41:12 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsUpgrade

Pros: Great processor for 775 socket mobos

Cons: None.

Other Thoughts: Got my old Shuttle XPC box back (originally with a E5200) and replaced it with this for an old skool "GOG Box." Got it used from secondary markets and it's working perfectly. The later LGA 775 processors are real workhorses - I still have my Q9550 in another machine that's chugging away as well. Running WinXP on this and will setup a seperate LAN for my older computers with X-Forwarding capabilities to connect to the Linux server so they can do web browsing and other stuff safely. Sweet!

2 out of 2 people found this review helpful. Did you? Yes No

  • beastlykings
  • 11/13/2013 7:49:36 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: When I purchased this cpu, I was building my first real proper computer, I knew nothing. And upon installing it, I didn't latch the heat sink all the way down. My computer kept crashing and I couldn't figure out why, for a few hours after turning it on for the first time, it kept rebooting. I was murdering this processor. I did eventually figure it out that same day, fix the heat sink, and it ran perfectly at 3.0ghz for 4 straight years, and I'm still using it today. Rock solid cpu, worth every penny, and after reading these other reviews I feel like I own piece of history.

Cons: None.

Other Thoughts: I never could over clock it, no matter what board I put it in, what settings I use, it just boot loops. But I can't blame it, I did fry the thing. I regret that greatly :/

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  • Jonnyboy
  • 11/2/2013 8:03:18 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsNEVER DIES

Pros: I have had this processor for over 5 years since it came out. Well I am typing this with it still screaming. It is faster than most current I3's and some I'5s. It never dies and I have never had a problem with it. I have had it overclocked at 3.6 ghtz since 2008.

Cons: DISCONTINUED

Other Thoughts: If you can find one....get it. It will outlast any other processor on the market.

1 out of 2 people found this review helpful. Did you? Yes No

  • N/A
  • 10/2/2013 12:00:49 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsEnergizer Bunny

Pros: Threw it in a computer in 2009, Said computer has not been off for more than Window's updates since, (running as a quasi workstation/server hybred for brother's Law firm) To this day I'm still surprised when I use the thing occasionally and its not that much slower than my new rig I build last month.

Cons: Discontinued

Other Thoughts: The core 2 line of processors are the most rock solid computer setup I've ever seen. Absolutely flawless across the boards.

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  • N/A
  • 6/20/2013 10:32:29 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsA Living Legend

Pros: I wish Intel would make a CPU that was as good as the E8400. I bought this CPO back in 2009 and still up until a few months ago when i upgraded to the Q9650 this processor is and always will be my favorite CPU. HANDS DOWN.

Cons: Not one thing since i bought it 4 years ago.

2 out of 3 people found this review helpful. Did you? Yes No

  • N/A
  • 6/20/2013 10:21:40 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs3 years and still running

Pros: I've been running this board for just over 3 1/2 years. I've never had an issue with it. I started with a Intel Core 2 E8400 3.0 Ghz Dual-Core and OC'd it to to 4.05 Ghz , 8 Ghz of G. Skill RAM and not one hiccup. just a few months ago i slipped in a Intel Core 2 Q9650 3.0 GHz Quad-Core and OC'd it to 4.05 Ghz. All ports still work....everything still works! This MOBO is a complete work horse.

Cons: None, even in the slightest

1 out of 2 people found this review helpful. Did you? Yes No

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