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Intel E8400 Core 2 Duo Processor 3 GHz 6 MB Cache Socket LGA775

4.1 out of 5 stars 265 ratings

$187.05 $124.70 per kg
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Brand Intel
CPU Manufacturer Intel
CPU Speed 3 GHz
CPU Socket LGA 775
Platform Windows

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This item: Intel E8400 Core 2 Duo Processor 3 GHz 6 MB Cache Socket LGA775
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Intel E8400 Core 2 Duo Processor 3 GHz 6 MB Cache Socket LGA775
Intel E8400 Core 2 Duo Processor 3 GHz 6 MB Cache Socket LGA775
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Price$187.05$84.95$68.63$149.95$89.95$84.15
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Product Description

Product Description

Intel Core 2 Duo Processor E8400 3GHz 1333MHz 6MB LGA775 CPU, Retail

Amazon.com

Manufacturer Product Description Built for mainstream users who might occasionally require some additional performance, Intel® Core™2 Duo processors featuring Intel's exclusive 45nm architecture are ideal for users interested in surfing the Web, checking email, shopping online, manipulating images, downloading, and watching videos—all at the same time. Robust multitasking capabilities ensure that a computing platform featuring the dual-core Intel Core 2 Duo processor won't slow down, even when running multiple software applications simultaneously.

Amazon.com Product Description
Built for mainstream users who might occasionally require some additional performance, Intel® Core™2 Duo processors featuring Intel's exclusive 45nm architecture are ideal for users interested in surfing the Web, checking email, shopping online, manipulating images, downloading, and watching videos—all at the same time. Robust multitasking capabilities ensure that a computing platform featuring the dual-core Intel Core 2 Duo processor won't slow down, even when running multiple software applications simultaneously.

Intel® Core™2 Duo Processor Product Highlight
Combining Intel's highly efficient 45nm manufacturing technology and Intel® Core™ microarchitecture, the Intel Core 2 Duo processor delivers robust performance for both home and business software applications. With two complete computing "brains" on one physical processor, this dual-core processor delivers more performance with greater energy efficiency than older single-core processors. For PC users, this means doing more simultaneously with less slowdown and hesitation.
Intel Technology
45nm Hafnium-Based Architecture. Thanks to a naturally occurring element called Hafnium, Intel engineers were able to shrink the size of new Intel processors and pack more computing technology into less space. The result is improved performance with less energy wastage.

Intel® Wide Dynamic Execution. Enables the delivery of more instructions per clock cycle for shorter execution times and improved energy efficiency—accomplish more simultaneously and with greater efficiency.

Intel® Intelligent Power Capability. Turning off portions of the processor when they aren't being used improves overall energy efficiency and reduces heat production, resulting in a quieter, more energy efficient system.

Intel® Smart Memory Access. Increasing available data bandwidth means more multitasking with less slowdown—run more demanding applications simultaneously and accomplish more in less time.

Intel® Advanced Smart Cache. Placing data closer to the processing cores improves platform responsiveness and performance with a wide range of applications.

Intel® Advanced Digital Media Boost. Accelerates performance with a wide range of applications, including video, gaming, speech and image, photo processing, encryption, financial, engineering and scientific applications.

Intel® HD Boost. Available only on the latest 45nm Intel processors, this revolutionary technology takes Intel® Advanced Digital Media Boost and improves it even further, enabling significant gains on the latest SSE4 instruction set. SSE4-optimized applications, such as video editing and encoding in high-definition resolution will see additional performance improvements

Performance for Multitasking
With two powerful and highly efficient processing cores, the Intel Core 2 Duo processor frees you to run multiple software applications at the same time without compromising performance or responsiveness. Everything including email, downloading, online shopping, and video editing can be done simultaneously and with greater efficiency. No longer is it necessary to choose between work and play.

Energy Efficiency
When working or playing hard, you want to keep distractions to a minimum. Thanks to Intel's exclusive 45nm technology, the Intel Core 2 Duo processor runs very efficiently—consuming less energy and producing less heat then previous-generation processors. Since desktop PCs featuring the Intel Core 2 Duo processor run cooler, they require less cooling, meaning fewer fans and a quieter computing experience. And with energy-saving features that shut down portions of the processor when they are not in use, the Intel Core 2 Duo processor is easier on your energy bill and the environment.


Product information

Product Dimensions 6.7 x 6.1 x 3.9 inches
Item Weight 9.6 ounces
ASIN B00116SLYY
Item model number BX80570E8400
Customer Reviews
4.1 out of 5 stars 265 ratings

4.1 out of 5 stars
Best Sellers Rank #1,395 in Computer CPU Processors
Is Discontinued By Manufacturer No
Date First Available December 13, 2007
Manufacturer Intel
Language English

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Customer reviews

4.1 out of 5 stars
265 global ratings

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Customers say

Customers find the processor performs flawlessly and runs cooler than expected, with easy installation and good value for money. The processor receives positive feedback for its functionality, with one customer noting it runs smoothly with Windows XP Service Pack 3. Customers appreciate the noticeable upgrade, with one mentioning improved frame rates in games.

AI-generated from the text of customer reviews

75 customers mention "Performance"72 positive3 negative

Customers find the processor performs quickly and flawlessly, with one customer noting it made their HP PC run like a new computer.

"...my PC worked fine and I immediately noticed how much faster I could accomplish my tasks. And my Windows experience scores jumped too...." Read more

"Great Core 2 duo, installation a bit rough but everything came out fine...." Read more

"...I had a Q6600 B3, this is equally fast at stock... and OC......" Read more

"...Things are running great. I did put 4 GB of ram in it as well. I've really enjoyed the speed improvement with this processor...." Read more

38 customers mention "Functionality"34 positive4 negative

Customers report that the processor works great and has no issues, with one customer noting that Windows XP with Service Pack 3 runs smoothly on it.

"...On the 2nd try, my PC worked fine and I immediately noticed how much faster I could accomplish my tasks. And my Windows experience scores jumped too...." Read more

"...a used pull from a working system (recycling at it's best), and it works just fine...." Read more

"...I have been running it stock for about three weeks now with no issues. This is a great processor to over clock if you feel like doing so...." Read more

"...The system I built has been running for several weeks now with no issues...." Read more

16 customers mention "Value for money"16 positive0 negative

Customers find the processor offers excellent value for money, with one customer noting it provides a low-cost performance boost, while another mentions it's suitable for building a budgeted gaming PC.

"...Memory index moved from 5 to 6.4. Not bad for a 20.00 dollar graphics card. Acer has a Bios the wont let the owner change any voltage settings...." Read more

"It Didn't work at all with My Motherboard. Great Price, but Okay Product...." Read more

"...A dual-core E8400 at 3GHz is no slouch, so this is a low-cost performance boost for someone who isn't afraid to get under the hood of their LGA775..." Read more

"...Nothing like building a great budgeting pc and a great cpu. I highly recommend this cpu if you are looking for a budgeting system." Read more

15 customers mention "Ease of installation"11 positive4 negative

Customers find the processor easy to install.

"...The chip is super easy to install and sped up my processing time by about 30%...." Read more

"...the installation was easy as for the processor it self, but when i tried to put the heat sink on it..." Read more

"I am very pleased with this chip. Easy to install and it hauls. Couldn't ask for anything more...." Read more

"...I was able to remove the old processor and install this one with no issues. Computer fired right up and identified the CPU correctly...." Read more

11 customers mention "Temperature"8 positive3 negative

Customers appreciate that the processor runs cooler, with one customer noting it has no issues with overheating at all.

"...I've had no issues with overheating at all. The stock heat sink is still being used and my system is now running WHS 2011. Things are running great...." Read more

"...This <$15 delivered CPU (which came with CPU thermal paste and a clean-up cloth for the heat sink)..." Read more

"...know.. this procesors (E8xxx in general) have some serious problem with the temp sensor.... Temp reading is insane... my said 15c and I know for a..." Read more

"...Also, the chip has some thermal compound on the back already (I didn't use arctic silver)...." Read more

6 customers mention "Upgrade rate"6 positive0 negative

Customers find the processor delivers noticeable performance improvements, with one customer reporting better frame rates in games.

"...This was an upgrade from an Intel Pentium e2180 and the improvement is phenomenal, I rarely hit any slowdowns when booting windows 8 or opening a..." Read more

"...This is a good upgrade if you are still running a 775 board especially if you are a gamer." Read more

"...This was a very noticable upgrade and about the max the motherboard would accept. Excellent Choice for the money. RAM and CPU upgrade." Read more

"...Great product and fast delivery. Great way to upgrade your computer" Read more

4 customers mention "Durability"4 positive0 negative

Customers find the processor strong and reliable, with one customer noting its long-term system performance.

"...I think it will be a really good, stable, long term system." Read more

"I expected this to be a high quality product when I received it, it was not in it's original packaging and I was disappointed that it did not work...." Read more

"...for an older two core this chip still has a lot of horse power, strong, solid, reliable" Read more

"Durable fast Processor..." Read more

Top reviews from the United States

  • Reviewed in the United States on January 30, 2011
    This was one of the best investments I made to upgrade my almost 3 year old Dell Inspiron. The chip is super easy to install and sped up my processing time by about 30%.

    I have a Dell Inspiron 530 (regular, not the slim version) with 3 GB of Ram that I bought about 3 years ago. The PC had an old Intel Celeron, 1 core, 2.20 Ghz processor and lately I noticed that I would get a perpetual hourglass whenever I tried to run several newer programs at once. Instead of spending $500-$600 on a new computer, I decided to upgrade the processor. It was a terrific choice.

    Installation was super easy (just be sure to refer to you owner's manual, which you can get online, and/or view a few YouTube videos) and my computer now runs like a champ.

    Just don't forget to buy thermal grease to coat the processor and heatsink or your new Intel Duo core E8400 will overheat! I purchased Zalman ZM-STG1 Super Thermal Grease from Amazon.com and it worked like a charm. Also, be sure not to throw out your old heatsink/fan because the one that comes with the Intel Processor might not fit your motherboard. It didn't fit mine because it uses push-pin type clamps instead of screws. My Dell motherboard required 4 screws so I just reused the one I had (after applying some thermal grease) and it worked just fine. My new Intel E8400 CPU idles at 35C and spikes no higher than 47C at full load, which is perfect.

    Just note - after installing the Intel Duo Core E8400, you might have to reboot your computer twice. On the 2nd try, my PC worked fine and I immediately noticed how much faster I could accomplish my tasks. And my Windows experience scores jumped too. My processor speed went from a 4.3 rating to 5.6, my memory rating went from 4.9 to 5.9, and my primary hard disk went from 5.1 to 5.9.

    I love this Duo Core processor!
    4 people found this helpful
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  • Reviewed in the United States on August 22, 2009
    Great Core 2 duo, installation a bit rough but everything came out fine.
    the installation was easy as for the processor it self, but when i tried to put the heat sink on it (mobo: GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel Motherboard )and push those four things over the mother board i thought i was going to break the mobo or the processor, but do not panic nothing will break, its normal to need alot of strength, before using screws and placing the mobo on the case, just gently hold the sides of the hole as close as you can and push the heat through each of hole (don't be shy.. push that thing hard and steady until you see it come through) and then you will be all set.

    things that i don't mention that are obvious, make sure you dont have any static while working and ensambling the computer, use thermal grease between the processor and the heat sink, and before doing anything read carefully the installation manual.
  • Reviewed in the United States on May 5, 2008
    Pro: with "El cheapo" stock cooler I hit 4ghz easy with the asus P5E-VM HDMI.
    I had a Q6600 B3, this is equally fast at stock... and OC...

    Cons: In case you didnt know.. this procesors (E8xxx in general) have some serious problem with the temp sensor.... Temp reading is insane... my said 15c and I know for a fact that its not true... my room temp is 35c (I live in nicaragua) si its imposible for a procesor been cooler than 35c... core temp are 50c and 55c.. and thats also wrong... acording to some expert the best program to read the real temp is: Real Temp 2.41
    Core temp, everest, speed fan and bios didnt read the real temp of this procesor in my motherboard or any motherboard for that matter....
    4 people found this helpful
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  • Reviewed in the United States on October 25, 2011
    I upgraded my HP MediaSmart EX495 with this processor. I've had no issues with overheating at all. The stock heat sink is still being used and my system is now running WHS 2011. Things are running great. I did put 4 GB of ram in it as well. I've really enjoyed the speed improvement with this processor. Things are so snappy now. I use Air Video and Splashtop on my WHS and with this new processor things have been running very well. I've notice big improvements in streaming content with Air Video, and Splashtop gives me a higher frame rate then what I had before. I'll always recommend Intel processors over AMD because Intel's run faster even when the AMD equivalent has the same clock speed. In a lot of cases the Intels run hotter than the AMDs, but in my experience it's been the opposite. When it comes down to price, the AMD processors will always be less expensive, but that's for a reason. I feel that Intel will always be a few steps ahead of AMD.
  • Reviewed in the United States on January 26, 2020
    Great for soho builds I.e. thin clients or a NAS where I wouldn’t get this to play modern title games you could games from the era it (processor) came out in.
  • Reviewed in the United States on October 24, 2012
    I own a Acer x1700 desk top. Came with an E1400 2GHZ CPU. Installed the E8400 chip and OC threw the FSB to 3.3 GHZ. My windows experience for processor moved from 5 to 6.4. I payed 59.00 dollars used. It was a great deal. I also installed a Zotac gt520 GPU card. Not the new one but the older one with 4 caps. It can take the OC CPU were the new gt520 would crash and memory dump after about 30 min of game play. Gaming graphics in windows experience moved from 5.3 to 6.4. Memory index moved from 5 to 6.4. Not bad for a 20.00 dollar graphics card. Acer has a Bios the wont let the owner change any voltage settings. NVIDA offers a driver download 6.08 that will let you OC CPU threw the FSB. OC the GPU to core 1050 shader 2110 memory clock 800. Removed side panel and use a 9" home fan for extra cooling. Play Dragon age 2 on high settings at 1680x1050. GPU ZOTAC ZT-50603-10L.

Top reviews from other countries

Translate all reviews to English
  • max de rooy
    5.0 out of 5 stars ware ist NICHT verloren gegangen!!!!
    Reviewed in Germany on March 4, 2025
    nach zufriedenheit
    Report
  • jg
    3.0 out of 5 stars Three Stars
    Reviewed in Canada on April 23, 2015
    pour le prix tres aprecie
  • SI
    5.0 out of 5 stars Core 2 Duo
    Reviewed in the United Kingdom on November 29, 2011
    Still a great processor which overclocks like a dream. Bought this for a mate when we were updating his old Pentium system,runs up to date games at very acceptable settings.
  • ポケモンGO
    5.0 out of 5 stars とても良い
    Reviewed in Japan on November 7, 2023
    とても良い
  • Bradley Earley
    5.0 out of 5 stars Five Stars
    Reviewed in the United Kingdom on October 7, 2017
    Came as advertised improved my pc performance