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Old 06-02-2010, 09:47 PM   #1
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Default Which Processor?

I am getting a Alienware Laptop M15x and i am stuck choosing a processor.

Between
Intel® Core™ i7-620M 2.66GHz (3.33Ghz Turbo Mode, 4M cache)

or

Intel® Core™ i7-720QM Quad Core Processor 1.6GHz (2.8GHz Turbo Mode, 6MB Cache)

Use-I am using this computer for gaming mostly just don't know what cache does.(I do ,but not familiar)

Specs-

Genuine Windows® 7 Home Premium, 64bit, English
(Processor here)-stuck
1GB ATI Radeon™ Mobility HD 5850
15.6-inch WideFHD 1920x1080 (1080p) WLED
8GB Dual Channel DDR3 at 1333MHz – 2 x 4096MB
250GB SATAII 7,200RPM
Slot-Load Dual Layer DVD Burner (DVD+-RW, CD-RW)
Primary - 9-cell (85Watt) Lithium-Ion Battery
Intel WiFi Link 5300 802.11AGN Half Mini Card
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Old 06-02-2010, 10:25 PM   #2
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Default Re: Which Processor?

620M for sure.
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Old 06-02-2010, 10:32 PM   #3
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Default Re: Which Processor?

620m for GHz right? What does cache do?
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Old 06-02-2010, 10:37 PM   #4
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Default Re: Which Processor?

http://en.wikipedia.org/wiki/CPU_cache

the extra 2M cache does not make a huge difference.
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Old 06-02-2010, 10:41 PM   #5
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Default Re: Which Processor?

How about quad core?
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Old 06-02-2010, 10:42 PM   #6
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Default Re: Which Processor?

Both are quad core with hyperthreading.
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Old 06-02-2010, 10:44 PM   #7
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Default Re: Which Processor?

Quote:
Originally Posted by Sporego View Post
How about quad core?
All core i7 processors are quad cores.
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Old 06-02-2010, 10:47 PM   #8
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Default Re: Which Processor?

TY one last question what does 620m and 720qm mean does that degrade performance or any thing because the number is lower?
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Old 06-02-2010, 10:48 PM   #9
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Default Re: Which Processor?

No.
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Old 06-02-2010, 10:50 PM   #10
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Default Re: Which Processor?

Hey i just noticed is i use 620 m i can only use
1066Mhz Memory
But if i use 720qm i get
1333Mhz Memory
so it it worth it ?

Ram i am using 8 gb

8GB Dual Channel DDR3 at 1066MHz

8GB Dual Channel DDR3 at 1333MHz – 2 x 4096MB
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