Intel Core 2 Quad Q8400 CPU Review

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It was not too long ago that the web was buzzing with dual-core versus quad-core debates. Sides were taken and lines were drawn. At that time, one of the main arguments against quad-core processors was their high asking price. But as time passed and manufacturing refinements were made, costs steadily decreased and quad-cores found their way into the more mainstream market segments. And before you knew it, a price war was imminent.

Intel and AMD have been going at one another for years. With AMD unable to compete well at the ultra high-end of the market, however, their focus shifted towards the mainstream market segments. As always, Intel responded and their most recent salvo comes in the form the affordable Core 2 Quad Q8400 processor. Since the Q9400, a 2.66GHz Yorkfield quad-core, was already on the market, why did Intel feel the need to release another, affordable quad-core model? One reason could be to increase yield and utilize dies that would otherwise be discarded. Another reason would be to position another product at the same price point as AMD's. Whatever the case may be, competition is always good for the consumer as it usually drives prices lower and provides more options to choose from. With that in mind, let's take a look at the Intel Core 2 Quad 8400 to see if it's worthy of consideration for your next build...  
  

 
Intel Core 2 Quad Q8400 Close Up
 

Intel Core 2 Quad Q8400 Processor
Specifications & Features
  Q8400
sSPEC number
Core Frequency
System Bus Frequency
Clock Multiplier
TDP (Thermal Design Power)
Thermal Specification
Number of CPU Cores
L2 Cache
Max Processor Input Voltage (VID)
Manufacturing Process
Total Die Size
Packaging
Instruction Set Extensions

Extended HALT State (C1E) Enabled
Execute Disable Bit (XD) Enabled
Enhanced Intel SpeedStep Technology
Intel Virtualization Technology (VT)
Demand Based Switching
Turbo Boost Technology
Hyper-Threading Technology
Trusted Execution Technology (TXT)
MSRP
SLGT6 (R0)
2.66 GHz
1333 MT/s
8x
95W
71.4C
4
4MB (2 x 2MB)
1.3625V
45nm
2 x 107mm²
Flip Chip LGA775
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1
Enabled
Enabled
Enabled
Enabled
Disabled
Disabled
Disabled
Disabled
$183



45nm Yorkfield Quad-Core

There isn't a shortage of options for those on the market for a 45nm Intel quad-core CPU. From the 3.2GHz Extreme Edition QX9770 to the 2.33GHz Q8200, Intel has the entire price spectrum covered. Those looking for a low power option can also choose from the S-series processors, which sport lower 65W TDPs. Where exactly does the Q8400 fit in to the mix? Let's find out...
 

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I didn't think that it would beat most, if not all of the Phenom II's, however I was caught off guard by the fact that the intel chips don't do as well in the media areas as the AMD chips...

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Thanks for sharing such information here. It is nice to know that Intel Core2Quad processor prices are coming down rapidly. I have recently invested in couple of refurbished gaming laptops and I am not sure if I would be able to replace Core2Duo processors installed in them with Core2Quad and don't want to take any risks further as already premium laptop video cards have cost me dear.

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I agree, and I think Intel might have got ahead of itself a little in technology and actually priced out the consumer.  That has to be the reason for the release of the Core 2 quad 8400

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@ that price point I wonder if a Phenom 2 905e 65W CPU would be better or not?

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Definitely Phenom 2 905e 65W CPU seems to be better option but what do you like the best about it?

Regards,

ServicedotZtronics,

Ztronics

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gamemaniac:

Definitely Phenom 2 905e 65W CPU seems to be better option but what do you like the best about it?

Regards,

ServicedotZtronics,

Ztronics

For me its simply the low power consumption, 65W and quad core combination. i mean Intel has a low power quad core solution but its close to $100 more.

 

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Couple things:

1. Did they OC and then undo it for the testing? or did they run the tests @ 3.9 Ghz????

2. If your PC is on all the time like mine, the $100 extra for a 65w version pays for it self in I think approx 1.5 years (30w delta @ 24 cents per kwh)

 

 

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