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#1
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RAM Performance
I was thinking to change my 2*256 SDRAM PC133 memory's chip with a 512 DDR
333 (my motherboard support both). Who know the improvement in performance in such change (the system is a P4 2.53)? In other words: is it convenient? Thanks |
#2
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"frag" wrote in message ... I was thinking to change my 2*256 SDRAM PC133 memory's chip with a 512 DDR 333 (my motherboard support both). Who know the improvement in performance in such change (the system is a P4 2.53)? In other words: is it convenient? Thanks I've read similar questions to yours before and always read the threads - i've got a ECS K7S5A Pro with 512MB PC133 RAM and wondered what the performance gain would be to upgrade to DDR memory - it supports a maximum of 266 DDR memory. The answers tend to suggest a 10% performance gain by using 266 DDR compared to PC133 memory. So maybe a 'bit' more may be gained with 333 DDR memory...? Martin. |
#3
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The performance boost with higher speed memory depends on many things, e.g. the size of level 2 cache. The improvement with faster memory would be much greater with a Celeron with 128 Kb cache than a Pentium 4 with 512 Kb cache. Going from 256 Mhz to 333 Mhz will produce a significant difference in benchmarks but not a big difference in overall system performance. SleeperMan wrote: wrote: "frag" wrote in message ... I was thinking to change my 2*256 SDRAM PC133 memory's chip with a 512 DDR 333 (my motherboard support both). Who know the improvement in performance in such change (the system is a P4 2.53)? In other words: is it convenient? Thanks I've read similar questions to yours before and always read the threads - i've got a ECS K7S5A Pro with 512MB PC133 RAM and wondered what the performance gain would be to upgrade to DDR memory - it supports a maximum of 266 DDR memory. The answers tend to suggest a 10% performance gain by using 266 DDR compared to PC133 memory. So maybe a 'bit' more may be gained with 333 DDR memory...? Martin. I doubt that increase is only 10%, since DDR RAM has 100% more data flow than old one, so if gain would be only 10%, then DDR would be history long time ago. I think it's lot dependant on mobo and CPU. IF mobo and CPU isn't capable of reading/writing at double speed, then it's no point of using DDR. also depends a lot to which program do you use - if it works a lot with RAM, then increase is bigger (like graphics programs etc.) -- Mike Walsh West Palm Beach, Florida, U.S.A. |
#4
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wrote:
The performance boost with higher speed memory depends on many things, e.g. the size of level 2 cache. The improvement with faster memory would be much greater with a Celeron with 128 Kb cache than a Pentium 4 with 512 Kb cache. Going from 256 Mhz to 333 Mhz will produce a significant difference in benchmarks but not a big difference in overall system performance. I agree. But still i don't think that gain is only 10%... |
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