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XP vs 64??

post #1 of 12
Thread Starter 
ok i've been wondering this for a while, how much faster is a 64 than a comparable speed XP? Meaning, if you got an XP processor and an athlon 64 at the same speed, how much better would the 64 be, and why? and also do they have alot more OCing potential? i know they have the knew instructions on them and whatnot, but i was just wondering how much faster they were, and why they were faster. anyone out there have some benchies of a camparison? thanks for the input guys.
post #2 of 12
I used to run x64 on my rig - drivers are a very big issue just now, there are NO good antivirus' out just now - microsoft say there will be some realesed by norton etc in 2006 sometime.

About the speed - I ran half life 2 on both xp pro and x64 at full settings with 4x AA and I didnt see any change in fps (maybe 5-6 extra)

If I were you I would wait for Vista or make a partitionon your HHD and dual boot x64 with xp Pro - If you need help with this pm me if your not sure
    
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post #3 of 12
Dude I think he means CPU's .

ie: How much more performance will you get out of a AMD 64 CPU as oppsed to a AMD ATHLON XP CPU, both running the same core speed.

edit: You can have a look at this test it is based on socket 754 Sempron v ATHLON 64..here
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post #4 of 12
Thread Starter 
ahh sorry about that, what i meant was the processors, not the operating system. like a socket A @2ghz vs a socket 939 @2ghz, sorry that i wasn't as clear about that as i should have.

EDIT: you've got it right xie67
post #5 of 12
ah rite sorry lol

Well i used to have athlon 3000+ and now have a Venice 3000+ Athlon 64. The 64 was much faster at multitasking and coped much better while running game like hl2 and doom 3 etc. I dont know really how its faster - something to do with 64bit rather than 32 bits - check the amd site they will have benchs thats the best I can do sorry lol
    
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post #6 of 12
lol thats was funny...
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post #7 of 12
One of the biggest boosts in performance for the 64s come from the intregrated memory controller. With the traditional memory to Northbridge to CPU path, the memory latency was a lot higher. With the 64s, AMD physically shortened that path to make it go directly from the memory to the CPU. Not only did this have the advantage of physically shortening the path, but it greatly increased the speed of the memory controller. Traditional memory controllers run at 200 Mhz (DDR for AMD and QDR for Intel) so as the CPUs get faster and faster, the controller gets relatively slower and slower since it's fixed at 200 Mhz. With the integrated memory controller that is on the CPU, it runs at the speed of the CPU. This is one of the most important design changes that AMD implemented from the shift from XP to 64. The 64-bit instructions don't really give it a performance boost, only the ability to run 64-bit programs. The newest 64s also benefit from the newer SSE instructions as well.
    
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post #8 of 12
On die memory controller, and extra cache equates to roughly a 50% increase in performance. not right now I'm at work
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post #9 of 12
Look on tomshardware.com for the benchies. You can compare an xp 3000 and a 64 3000 in a lot of different benchmarks. It does a lot better on compression and encoding tests.
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post #10 of 12
Quote:
Originally Posted by DUNC4N
On die memory controller, and extra cache equates to roughly a 50% increase in performance. not right now I'm at work
I wouldnt say that. A Pentium M Dothan can beat higher clocked A64s in gaming and it doesnt have an onboard memory controller.
Very nice!
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Very nice!
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