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General Forums => Hardware and Software => Topic started by: Kazaa on March 11, 2009, 01:24:49 PM

Title: Quad Core Vs Core I7
Post by: Kazaa on March 11, 2009, 01:24:49 PM
Hello gents, I’m looking to buy a new PC and I was wondering if the new Intel Core I7 CPU’s are worth the extra money.

Would the performance increase be noticeable if I went for Core I7 over Quad Core, if both of the chips run the same clock speed ?

For eample:

Intel Core i7 920 2.66Ghz
--------------------------------
Intel Core 2 Quad Q9400 2.66GHz

I'm going to use the PC mainly for gaming/photoshop.

Any input would be great,

Kaz,

<S>
Title: Re: Quad Core Vs Core I7
Post by: Fulmar on March 11, 2009, 02:20:27 PM
A i7 system is going to need to use DDR3 while you can use DDR2 with the Q9400.  With the extra bandwidth form the memory, larger cache, etc, the i7 should handily defeat the Q9400.  But it's going to cost you because the i7 boards are $$$ and DDR3 isn't quite as cheap as DDR2.

Benchmarks of the Q9450 vs the i7 920
Tom's Hardware - Core i7 920 vs Q9450 (http://www.tomshardware.com/charts/desktop-cpu-charts-q3-2008/compare,833.html?prod%5B2271%5D=on&prod%5B2182%5D=on)
Title: Re: Quad Core Vs Core I7
Post by: BaldEagl on March 11, 2009, 05:11:59 PM
^^^

What he said.  You're all-in cost will be higher with the I7 due to the price differences in the CPU, motherboard and RAM.  You'll also need to run RAM in groups of three matched sticks (DDR3) vs. two with DDR2 and the motherboards generally accept much faster RAM (up to DDR3 2000) but you don't have to go with that fast of RAM.

In the end not only will the I7 beat the quad, the system as a whole will shred it.
Title: Re: Quad Core Vs Core I7
Post by: Getback on March 11, 2009, 05:43:39 PM
If it was me I would do 2 things depending on money. I would wait for the I7 prices to come down or I would get the I7 now if I had the money. It may be if you wait intel will get a little competition from AMD.
Title: Re: Quad Core Vs Core I7
Post by: Fulmar on March 11, 2009, 06:22:05 PM
The i5's should be out by July, along with another Intel price cut.  That is if you can wait that long.
Title: Re: Quad Core Vs Core I7
Post by: Getback on March 11, 2009, 06:25:32 PM
The i5's should be out by July, along with another Intel price cut.  That is if you can wait that long.

What is the performance of the I5s?
Title: Re: Quad Core Vs Core I7
Post by: Fulmar on March 11, 2009, 06:30:20 PM
The i5's will be more of the mainstream variant of the i7.  Think of them as the E6xxx to the E4xxx/E5xxx C2D series.
Title: Re: Quad Core Vs Core I7
Post by: Vulcan on March 11, 2009, 09:21:40 PM
pffft quad core....

(http://renaissance.xtreme.net.nz/ms/cores.jpg)
Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 12, 2009, 05:28:19 PM
The i7 920 can be had for 230.00  I agree the MBs are more expensive and so is the DDR3...  For a budget build with the x58 chipset I would get an ASUS P6T (plain board no Deluxe) the 920 processor and get the OCZ Intel Extreme XMP Tri Channel Kit part number OCZ3X1600LV6GK .  It has two profiles that can be activated via the BIOS one at 1600 and one at 1800.  This is great if your not going extreme Overclocking to the CPU using the QPI.

If your going to overclock the 920... I have this setup P6T, 920, OCZ OCZ3P2000LV6GK....  I have the CPU Overclocked @ 4.2 (have had it at 4.6GHz) (On air using the Vendetta 2 with 1366 bracket) and the memory is running at 2400 MHz.  This thing screams.  The ASUS P6T is the only board I have been able to get over 2200 MHz on any memory flavor and remain stable and within thermal conditions on air.  A H20 system is a different story
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 12, 2009, 10:28:12 PM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 12, 2009, 10:43:28 PM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Bino on March 12, 2009, 10:58:27 PM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 13, 2009, 01:01:20 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 01:46:30 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: MrRiplEy[H] on March 13, 2009, 05:49:06 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 13, 2009, 05:59:20 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 06:16:31 AM
No, that is why my PC has a stock E8400.   
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 13, 2009, 06:22:59 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 06:27:29 AM
See Rule #2

Performance wise, you're more than wrong.   Again, I have no need for a Quad Core, no game utilizes all four cores.   
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 13, 2009, 06:31:29 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 06:34:45 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Fulmar on March 13, 2009, 09:23:01 AM
UH OH, not synthetic benchmarks!

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3512&p=5

A good cross section of actual benchmarks across Photoshops, encoding, high end games.
Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 09:31:42 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: MrRiplEy[H] on March 13, 2009, 10:27:30 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Getback on March 13, 2009, 10:55:40 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 11:09:27 AM
See Rule #4
Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 11:18:38 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 11:29:23 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Fulmar on March 13, 2009, 11:33:01 AM
Man, I wonder where drdeath is....
Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 11:33:22 AM
See Rule #2

Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 11:46:15 AM
See Rule #2

In case you and Zohan forgot, the OP wanted to know the difference between the i7 and Intel Quad cores.   Then you come along out of nowhere and provide information that has NO BEARING on the OP.   

Now you provide a screen shot that shows an OVERCLOCKED X4 940 that barely beats a stock i7 (a 2.6Ghz), in scores.    That SS is a joke if you look at what the "Common System" is to start with.   I enjoy the fact that you are still comparing apples to oranges.   

Please continue.   



Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 11:51:13 AM
See Rule #4
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 11:53:40 AM
See Rule #4

Follow your own advice.    You're the one providing an Overclocked AMD to a non-Oc'd i7 that isn't comparable in speed to the 3.0G AMD.   

Title: Re: Quad Core Vs Core I7
Post by: skribetm on March 13, 2009, 11:58:29 AM
See Rule #4
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 13, 2009, 12:04:12 PM
See Rule #4

You haven't ruined anyone's day.  You are not seeing a glaring FACT.   
Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 14, 2009, 12:54:30 AM
Man, I wonder where drdeath is....
You know I was wondering same thing

 Seems like this thread has been "RULED" out a lot.... sorry Roy, you know how us guys get when the women that love us are not watching what we write  :rolleyes:
Title: Re: Quad Core Vs Core I7
Post by: BaldEagl on March 14, 2009, 01:08:11 AM
See Rule #4
Title: Re: Quad Core Vs Core I7
Post by: Masherbrum on March 14, 2009, 01:42:17 AM
See Rule #2
Title: Re: Quad Core Vs Core I7
Post by: Kazaa on March 14, 2009, 05:48:25 AM
The i7 920 can be had for 230.00  I agree the MBs are more expensive and so is the DDR3...  For a budget build with the x58 chipset I would get an ASUS P6T (plain board no Deluxe) the 920 processor and get the OCZ Intel Extreme XMP Tri Channel Kit part number OCZ3X1600LV6GK .  It has two profiles that can be activated via the BIOS one at 1600 and one at 1800.  This is great if your not going extreme Overclocking to the CPU using the QPI.

If your going to overclock the 920... I have this setup P6T, 920, OCZ OCZ3P2000LV6GK....  I have the CPU Overclocked @ 4.2 (have had it at 4.6GHz) (On air using the Vendetta 2 with 1366 bracket) and the memory is running at 2400 MHz.  This thing screams.  The ASUS P6T is the only board I have been able to get over 2200 MHz on any memory flavor and remain stable and within thermal conditions on air.  A H20 system is a different story

That's a Monster OC, thanks for the info TD. :aok

Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 14, 2009, 07:03:59 AM
That's a Monster OC, thanks for the info TD. :aok


No problem... EVGA has in their forums a step by step guide to OC a 920 to 4.5 on air.  This is not my prefered method since the CPU will run very hot with Jacobs settings but it will show you and give a good starting point to OC this processor.
Title: Re: Quad Core Vs Core I7
Post by: Kazaa on March 14, 2009, 07:17:15 AM
No problem... EVGA has in their forums a step by step guide to OC a 920 to 4.5 on air.  This is not my prefered method since the CPU will run very hot with Jacobs settings but it will show you and give a good starting point to OC this processor.

Any chance you could post a link to the forum OC post please sir? That would be great. :rofl
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 16, 2009, 02:49:07 AM
well if your going for a new setup the best way to go is i7 cause the price range for the high non i7's isnt worth investing in since the upgrade path is going with a whole different board and memory.  the 920 i7 is cheaper then the cost of high end x9x00- quads.. the chips themselves
Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 16, 2009, 04:31:01 AM
Any chance you could post a link to the forum OC post please sir? That would be great. :rofl
Here is the link to OC an i7 920 up to 4.5 GHz using an EVGA X58 board.  http://www.evga.com/forums/tm.asp?m=642527 (http://www.evga.com/forums/tm.asp?m=642527)
Title: Re: Quad Core Vs Core I7
Post by: TheZohan on March 16, 2009, 04:41:23 AM
wonders why theres not more post of the 940 and 965 doing the same thing?

honestly  i think it would hurt the 940 and 965 sales intels bread and butter


i know AMD has a simular problem with losing money with people buying the lower priced  X3 and with certain boards/bios users can unlock the disabled 4th core giving them a 4th core and hurting the sales of the higher end X4's. AMD quicky put out a note to the manufactors to fix the bios
Title: Re: Quad Core Vs Core I7
Post by: TilDeath on March 16, 2009, 01:01:12 PM
wonders why theres not more post of the 940 and 965 doing the same thing?

honestly  i think it would hurt the 940 and 965 sales intels bread and butter

Initial cost of investment.  When you can get a 920 for 230.00 and clock it to 4.5GHz and not get to much more from the higher end models and your in the business of selling MB's I would do all my work on the low end processors showing how much you can push them.

Jacob knows his stuff I have seen him personally work a board and he knows his way about a BIOS and the voltages and tweeking settings