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Item#: N82E16819115206

Intel Core 2 Duo E7400 Wolfdale 2.8GHz 3MB L2 Cache LGA 775 65W Dual-Core Desktop Processor BX80571E7400

Average Rating

5 out of 5 eggs(307 reviews)

OUT OF STOCK.

Deactivated. This item is currently out of stock and it may or may not be restocked.
$10.74 Shipping
Buzz
Great CPU
5 out of 5 eggs
Took some work to get it stable for gaming but currently running at 4.1GHz (1.36v 24/7) with an Arctic Cooling ...
— David 1/26/2009
E7400
4 out of 5 eggs
This processor is really nice for the price, you cant beat it. I run this overclocked steady at 3.15GHz and have not had ...
— tCup 1/20/2009


Quick Info
Manufacturer Warranty
  • Manufacturer Limited Warranty period (parts): 3 years
  • Manufacturer Limited Warranty period (labor): 3 years


Return Policies

This item is covered by Newegg.ca's CPU Replacement Only Return Policy.

  • Return for refund within: Non-Refundable
  • Return for replacement within: 30 days

With the Wolfdale core, Intel pours more power into a Core 2 Duo package. The 45nm process allowed Intel to reduce the power needed down 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 3MB and the Front Side Bus has been pushed to 1066MHz. 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.

  • 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 mobile 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.

Learn more about Core 2 Duo E7400

Model
Brand
Intel
Series
Core 2 Duo
Model
BX80571E7400
CPU Socket Type
CPU Socket Type
LGA 775
Tech Spec
Core
Wolfdale
Multi-Core
Dual-Core
Name
Core 2 Duo E7400
Operating Frequency
2.8GHz
FSB
1066MHz
L2 Cache
3MB
Manufacturing Tech
45 nm
64 bit Support
Yes
Hyper-Threading Support
No
Virtualization Technology Support
No
Voltage
0.85V – 1.3625V
Thermal Design Power
65W
Cooling Device
Heatsink and Fan included
Manufacturer Warranty
Parts
3 years limited
Labor
3 years limited

Customer Reviews of Core 2 Duo E7400

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  • GrayFox85
  • 4/24/2010 7:01:58 AM
  • Tech Level: above average
  • Ownership: 1 month to 1 year
5 out of 5 eggsVery Decent

Pros: Fast and reliable , OC it to 3.35 on stock cooling and very stable , does every thing i need (autocad , games , hi-def movies)

Cons: No complains.

Other Thoughts: My System:
-MB:Gigabyte GA41m-ES2L.
-CPU:Core 2 Duo E7400 2.80 Ghz OC 3.35 Stock Cooler.
-Video Card:SAPPHIRE HD 4670 1 GB
-Memory: OCZ 2 GB DDRII 800
-PSU:Gigabyte 550w
-Case:Thermaltake WingMA
-OS:Windows 7 Home 64bit

Did you find this review helpful? Yes No

  • N/A
  • 4/12/2010 1:03:13 AM
  • Tech Level: above average
  • Ownership: more than 1 year
  • Verified Owner
5 out of 5 eggsVary Good

Pros: I run this at about 3.2Ghz and I have only had one thing go wrong and that was a power thing. I play online games and run a OC VC and CPU and leave my ram alone and my old OC Power supply went out under the pull but the CPU is still kicking. Id never go with any one other than Intel and Newegg.com is the place to get it.

Cons: NONE

Did you find this review helpful? Yes No

  • joesho
  • 4/9/2010 4:53:11 PM
  • Tech Level: above average
  • Ownership: more than 1 year
  • Verified Owner
5 out of 5 eggsGreat Chip

Pros: Fast

Cons: for what it is, none

Other Thoughts: Had for a year now, just decided to upgrade my cooling and overclock it to get some more performance. Have it running at 3.5 ghz stable, no sweat, could have gone with more but my northbridge on my horrible p31 board was getting too hot. Probably wouldn't purchase this right now thought, since you can get into an I3 setup for the same CPU cost and 775 is dead. But if you are looking at this chip to drop into an older board, this chip at the right price would be the way to go.

Did you find this review helpful? Yes No

  • Chemich
  • 4/7/2010 11:26:22 AM
  • Tech Level: above average
  • Ownership: 1 month to 1 year
  • Verified Owner
5 out of 5 eggsWHOOOSH! FAST!

Pros: - Works fast, easily overclockable, works like a king.

- This makes look most i3's look obsolete.

- Even without virtualization tech it's great.

- Overclocked to 3.5 GHZ without a problem, very stable.

Cons: - Not the best processing in the world, when I produce after I put around 20-25 vst's in one project it starts to take a heavy load.

Other Thoughts: - I'll miss this when I upgrade to a Quad Core.

Did you find this review helpful? Yes No

  • Rumbatech
  • 4/5/2010 12:43:57 PM
  • Tech Level: above average
  • Ownership: 1 month to 1 year
  • Verified Owner
5 out of 5 eggsNice upgrade

Pros: Nice replacement for an E5400, more cache.

Cons: No virtualization.

Did you find this review helpful? Yes No

  • N/A
  • 3/30/2010 6:06:52 AM
  • Tech Level: above average
  • Ownership: 1 week to 1 month
  • Verified Owner
5 out of 5 eggs

Pros: Great unit for the price. I found no need to overclock, but have read where this unit can be clocked steady at 3.1GHz with no problem. Works perfectly.

Cons: None

Did you find this review helpful? Yes No

  • seventoes
  • 3/27/2010 4:24:57 PM
  • Tech Level: above average
  • Ownership: more than 1 year
  • Verified Owner
5 out of 5 eggsGreat!

Pros: Working great. I have no need to overclock it, and running at the stock 2.8 I've had no problems.

Cons: I can't fit my hand in the Pringles container. They should make the cans bigger.

Did you find this review helpful? Yes No

  • N/A
  • 3/22/2010 7:34:53 AM
  • Tech Level: above average
  • Ownership: 1 month to 1 year
  • Verified Owner
5 out of 5 eggs

Pros: Excellent as is or can be easily overclocked

Cons: Larger heatsink/fan suggested if overclocking

Did you find this review helpful? Yes No

  • Nick
  • 3/13/2010 12:48:44 PM
  • Tech Level: above average
  • Ownership: more than 1 year
  • Verified Owner
5 out of 5 eggsGreat HPTC CPU

Pros: Plays Blueray and much more

Cons: None

Other Thoughts: Like the 65W with the high GHz speeds. Very nice CPU

Did you find this review helpful? Yes No

  • Sancho Lives
  • 3/11/2010 3:54:21 AM
  • Tech Level: above average
  • Ownership: 1 week to 1 month
  • Verified Owner
5 out of 5 eggsGreat CPU / Great Price

Pros: This CPU is a great buy for the price. I havent tried to OC it yet, but just on standard settings it provides what I need and then some.

Cons: none

Did you find this review helpful? Yes No

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Item#: N82E16819115206
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