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#1
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Dual Core AMD's, how good?
Get right to it, I now have a P4 3.2 and am thinking of going to the other side, AMD 64 X2 3800+, or possibly the 4200+. Will the AMD be the equivilent or better to the P4? I do alot of multi-tasking, as well as gaming. I've tried looking into the AMD's but only found limited information, could someone point me in the right direction to self-educate? I'm concerned mainly that it will run at the same level as the P4, don't want to lose any performance in gaming and when single tasking(lol). Any help appreciated -- MoToX20 |
#2
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Bitstring , from the wonderful
person MoToX20 said Get right to it, I now have a P4 3.2 and am thinking of going to the other side, AMD 64 X2 3800+, or possibly the 4200+. Will the AMD be the equivilent or better to the P4? I do alot of multi-tasking, as well as gaming. I've tried looking into the AMD's but only found limited information, could someone point me in the right direction to self-educate? I'm concerned mainly that it will run at the same level as the P4, don't want to lose any performance in gaming and when single tasking(lol). Both the 3800 and the 4200 should eat a 3.2Ghz P4 for lunch, even single tasking, unless the task happens to be one of very few (like video encoding) where the SSE2 on the P4 (you neglected to mention which version of the P4, but I guess a Northwood) can sometimes bang in two instructions for the AMD's one. For grizzly details see the Prime95 forums (running Prime95 is another thing a P4 excels at). For two or more tasks, no contest (or for any future multi-threaded games). Definitely the build of choice for people who want a future (although dedicated gamers with infinite cash &/or no foresight will probably still buy an FX57). -- GSV Three Minds in a Can Contact recommends the use of Firefox; SC recommends it at gunpoint. |
#3
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GSV Three Minds in a Can wrote:
Both the 3800 and the 4200 should eat a 3.2Ghz P4 for lunch, even single tasking, unless the task happens to be one of very few (like video encoding) where the SSE2 on the P4 (you neglected to mention which version of the P4, but I guess a Northwood) can sometimes bang in two instructions for the AMD's one. Don't AMD64 X2 support SSE2 and even SSE3?? Or is it the particular *implementation* of SSE2 on NW P4's what you're referring to? Carlos -- |
#4
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MoToX20 wrote:
Get right to it, I now have a P4 3.2 and am thinking of going to the other side, AMD 64 X2 3800+, or possibly the 4200+. Will the AMD be the equivilent or better to the P4? I do alot of multi-tasking, as well as gaming. I've tried looking into the AMD's but only found limited information, could someone point me in the right direction to self-educate? That's hard to believe that you couldn't find at least one ton of information about X2, if not several tons. I'm concerned mainly that it will run at the same level as the P4, don't want to lose any performance in gaming and when single tasking(lol). I think both single-tasking and multi-tasking wise, even the lowest X2 will wipe the plate of the P4-3.2. Yousuf Khan |
#5
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Good only for gaming. You need a good video card. |
#6
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MoToX20 wrote:
Get right to it, I now have a P4 3.2 and am thinking of going to the other side, AMD 64 X2 3800+, or possibly the 4200+. Will the AMD be the equivilent or better to the P4? I do alot of multi-tasking, as well as gaming. I've tried looking into the AMD's but only found limited information, could someone point me in the right direction to self-educate? AMD's Athlon 64 X2 4800+ & 4200+ Dual Core Performance Preview http://anandtech.com/cpuchipsets/sho...spx?i=2410&p=7 |
#7
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Bitstring , from the
wonderful person Carlos Moreno said GSV Three Minds in a Can wrote: Both the 3800 and the 4200 should eat a 3.2Ghz P4 for lunch, even single tasking, unless the task happens to be one of very few (like video encoding) where the SSE2 on the P4 (you neglected to mention which version of the P4, but I guess a Northwood) can sometimes bang in two instructions for the AMD's one. Don't AMD64 X2 support SSE2 and even SSE3?? Or is it the particular *implementation* of SSE2 on NW P4's what you're referring to? It's the implementation .. last time I looked the AMD still had something (nobody had figured the details exactly) which was stopping it executing SSE2 instructions at the same top rate as the P4, even when it 'should' have been able to. Mind you, that was a few months back. -- GSV Three Minds in a Can Contact recommends the use of Firefox; SC recommends it at gunpoint. |
#8
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"GSV Three Minds in a Can" wrote in message
... Bitstring , from the wonderful person Carlos Moreno said GSV Three Minds in a Can wrote: Both the 3800 and the 4200 should eat a 3.2Ghz P4 for lunch, even single tasking, unless the task happens to be one of very few (like video encoding) where the SSE2 on the P4 (you neglected to mention which version of the P4, but I guess a Northwood) can sometimes bang in two instructions for the AMD's one. Don't AMD64 X2 support SSE2 and even SSE3?? Or is it the particular *implementation* of SSE2 on NW P4's what you're referring to? It's the implementation .. last time I looked the AMD still had something (nobody had figured the details exactly) which was stopping it executing SSE2 instructions at the same top rate as the P4, even when it 'should' have been able to. Mind you, that was a few months back. AFAIK the problem is the size of the Wallace trees: 80 bit on the Athlons, 128 bit on the Pentiums. This means that the Athlon has to split each 128 bit SSE2 data word into two to operate on. -- Derek |
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