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Re: Computer trouble [message #184934 is a reply to message #184931]

Fri, 06 January 2006 13:56

icedog90
Messages: 3483
Registered: April 2003

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General (3 Stars)

Scythar wrote on Fri, 06 January 2006 12:25

icedog90 wrote on Fri, 06 January 2006 14:53

Dual channel isn't a certain type of memory, it's two sticks of DDR that are both exactly the same and are being effectively doubled in bandwidth from the RAM to the CPU.

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

Actually, the bandwidth is only doubled between the RAM and memory controller. There's still only one frontside bus (between CPU and chipset), which is exactly why dual channel doesn't bring such a huge performance increase in AMD chips than Intel, since AMD doesn't have as fast FSB and it creates a bottleneck. Intel's fast 800 Mhz(= 2x DDR400 speed) is great for dual channel arcitechture.

I knew someone would jump in and attempt to correct me because I said "bandwidth". I was talking about the bits, not the actual bandwidth. Utilizing two 64-bit channels, it results in a total bandwidth of 128 bits for moving from the RAM to the CPU.

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[Message index]

		Computer trouble By: Kanezor on Thu, 05 January 2006 06:17
		Re: Computer trouble By: Sir Phoenixx on Thu, 05 January 2006 06:54
		Re: Computer trouble By: Kanezor on Thu, 05 January 2006 09:27
		Re: Computer trouble By: Aprime on Thu, 05 January 2006 07:12
		Re: Computer trouble By: Mindtzar on Thu, 05 January 2006 07:35
		Re: Computer trouble By: SCOTT9 on Thu, 05 January 2006 08:05
		Re: Computer trouble By: PaRaDoX on Thu, 05 January 2006 11:25
		Re: Computer trouble By: icedog90 on Thu, 05 January 2006 11:30
		Re: Computer trouble By: Kanezor on Thu, 05 January 2006 12:12
		Re: Computer trouble By: icedog90 on Thu, 05 January 2006 12:22
		Re: Computer trouble By: trooprm02 on Thu, 05 January 2006 13:57
		Re: Computer trouble By: icedog90 on Thu, 05 January 2006 15:52
		Re: Computer trouble By: trooprm02 on Sun, 08 January 2006 12:36
		Re: Computer trouble By: bigwig992 on Thu, 05 January 2006 21:09
		Re: Computer trouble By: light on Thu, 05 January 2006 23:03
		Re: Computer trouble By: ssptweek on Fri, 06 January 2006 00:29
		Re: Computer trouble By: Scythar on Fri, 06 January 2006 05:09
		Re: Computer trouble By: mision08 on Fri, 06 January 2006 06:39
		Re: Computer trouble By: Kanezor on Fri, 06 January 2006 12:37
		Re: Computer trouble By: icedog90 on Fri, 06 January 2006 12:53
		Re: Computer trouble By: Scythar on Fri, 06 January 2006 13:25
		Re: Computer trouble By: icedog90 on Fri, 06 January 2006 13:56
		Re: Computer trouble By: Scythar on Fri, 06 January 2006 19:32
		Re: Computer trouble By: icedog90 on Sat, 07 January 2006 19:52
		Re: Computer trouble By: Scythar on Sun, 08 January 2006 04:29
		Re: Computer trouble By: mision08 on Sat, 07 January 2006 01:09
		Re: Computer trouble By: Aprime on Sat, 07 January 2006 02:56
		Re: Computer trouble By: Kanezor on Sat, 07 January 2006 03:16
		Re: Computer trouble By: PackHunter on Sat, 07 January 2006 05:15
		Re: Computer trouble By: Aprime on Sat, 07 January 2006 07:51
		Re: Computer trouble By: Renx on Sat, 07 January 2006 10:14
		Re: Computer trouble By: SCOTT9 on Sat, 07 January 2006 11:55
		Re: Computer trouble By: PaRaDoX on Sat, 07 January 2006 12:46
		Re: Computer trouble By: mision08 on Sat, 07 January 2006 14:46
		Re: Computer trouble By: Aprime on Sat, 07 January 2006 21:59
		Re: Computer trouble By: Nineball on Sun, 08 January 2006 13:55
		Re: Computer trouble By: mision08 on Sun, 08 January 2006 15:31
		Re: Computer trouble By: Renx on Sun, 08 January 2006 20:54
		Re: Computer trouble By: Aprime on Sun, 08 January 2006 21:54
		Re: Computer trouble By: Nineball on Mon, 09 January 2006 03:47
		Re: Computer trouble By: mision08 on Mon, 09 January 2006 08:27
		Re: Computer trouble By: Nineball on Tue, 10 January 2006 23:42

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