Computer Hope

Hardware => Hardware => Topic started by: bloodavenger9 on November 25, 2009, 02:10:22 PM

Title: Advice Needed: Laptop core 2 duo vs i7?
Post by: bloodavenger9 on November 25, 2009, 02:10:22 PM

Hi
I am going to buy a laptop and don't know which one i should get,

core 2 duo 8700 (3MB cache/2.53GHz/1066Mhz FSB)
or
i7-720QM Quad Core Processor @ 1.6GHz (2.8GHz Turbo Mode, 6MB Cache) ??

How does the speed work? is it 2 x 2.53 = 5.06 and 4 x 1.6 = 6.4??

I use laptop for some gaming and 3d animation. I know i should get a desktop instead but its mainly for school so..
plz help!


http://configure.dell.com/dellstore/config.aspx?oc=nsx13_f_1e&c=ca&l=en&s=dhs&cs=cadhs1
http://configure.dell.com/dellstore/config.aspx?oc=ns153cf_f_1e&c=ca&l=en&s=dhs&cs=cadhs1

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: computeruler on November 25, 2009, 04:31:32 PM

GROSS! DELL!
Get an asus.  They have one with an i7 and gtx260m for 1.5k.  Check on newegg.  I cant be bothered to get the link though.  Im trying to look at the deals and its unbelievably slow

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: Boozu on November 25, 2009, 04:37:33 PM

If you are doing 3d animation then go with the i7......and a realy good laptop cooler!!!

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: bloodavenger9 on November 25, 2009, 04:49:02 PM

wow that was an extremely fast reply! i went out for class and just came back! thx
how exactly do the speeds scale up?
when it says 2.55 ghz for the dual core do they mean that speed for two cores or for each?? what about the turbo mode on the i7, is it 2.8 for a single core or 2.8 for all four together?

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: Computer_Commando on November 25, 2009, 04:57:07 PM

Quote from: bloodavenger9 on November 25, 2009, 04:49:02 PM

...how exactly do the speeds scale up?
when it says 2.55 ghz for the dual core do they mean that speed for two cores or for each?? what about the turbo mode on the i7, is it 2.8 for a single core or 2.8 for all four together?

They don't, unless comparing virtually the same cpu.
2 cores is like 2 CPUs, each at 2.55
4 cores is like 4 CPUs, each at 1.6

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: Boozu on November 25, 2009, 05:02:40 PM

Quote

when it says 2.55 ghz for the dual core do they mean that speed for two cores or for each?? what about the turbo mode on the i7, is it 2.8 for a single core or 2.8 for all four together?

Both really. Each core is at X.XXGHz witch means that the entire CPU is at X.XXGHz. The turbo mode (http://www.youtube.com/watch?v=llOXMPXH2VA) will realise that you are doing hard work and give you a boost in speed.

Title: Re: Advice Needed: Laptop core 2 duo vs i7?
Post by: computeruler on November 25, 2009, 05:09:42 PM

neweggs going faster now, so heres the link
http://www.newegg.com/Product/Product.aspx?Item=N82E16834220605