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[Fud] Dual-Core 65nm Phenom Cancelled - Page 2

post #11 of 21
Quote:
Originally Posted by Cheetos316 View Post
Since K10 isn't really scaling with higher clocks, I wonder how much more we can get with 45nm. They have said that they're not going high-K for now so I don't see huge clockspeed jumps. Sure the dies will be cheaper to make and we'll probably see a couple more speed bins but I hope that they have some kind of hidden ace up their sleeve...

Since the K8 X2s are doing so well for the dual-core market, I wonder if there are any plans to migrate them down to 45nm.......
SB750 was the ace up their sleeve, but since the clock boost is only on that board it won't really help too much.

Also i would kill for a 45nm 6400+ BE. Imagine how far that thing could clock and how cool it would be. My 5200+ idles 29c on this tiny little heatsink, being 90nm I've always been impressed with that.
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post #12 of 21
Yeah but then its going to be like intel were you have to have a AMD chipset to get the best overclock and i am sure S750 will get spread fast.
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post #13 of 21
How much better is the Phenom design over the K8 design? (assuming both are dual or quads).
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post #14 of 21
Thread Starter 
Quote:
Originally Posted by Mootsfox View Post
How much better is the Phenom design over the K8 design? (assuming both are dual or quads).
Anandtech did a test close to when Barcelona first debuted where they disabled all but 1 core on the Athlon X2's and the Phenom, and it was about 15% faster clock-for-clock (single-thread) on average accross multiple tests.
Edited by darkcloud89 - 7/7/08 at 12:31pm
post #15 of 21
Quote:
Originally Posted by darkcloud89 View Post
Anandtech did a test close to when Barcelona first debuted where they disabled all but 1 core on the Athlon X2's and the Phenom, and it was about 15% faster clock-for-clock on average accross multiple tests.
Wasn't it upwards 40% in tests with heavy (proper) multi-threading?
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post #16 of 21
Thread Starter 
Quote:
Originally Posted by Licht View Post
Wasn't it upwards 40% in tests with heavy (proper) multi-threading?
Yes, because of the native quad core design.
post #17 of 21
well, id say get rid of the single cores and move the k8 into the lower energy efficient mainstream group, while the phenom x2 45nm would work the higher mainstream, then x3 for the performance, and x4 for the enthu. that's what i see comin ahead, i seriously think they should make some k8 45nm like 2 or 3 models to hold that lower end segment, imo anyways.
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post #18 of 21
Quote:
Originally Posted by darkcloud89 View Post
Yes, because of the native quad core design.
Wonder how long it will take desktop applications to be as well multithreaded that they can begin to utilize many-core CPU.
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Lee XT
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post #19 of 21
Thread Starter 
Quote:
Originally Posted by bucdan View Post
well, id say get rid of the single cores and move the k8 into the lower energy efficient mainstream group, while the phenom x2 45nm would work the higher mainstream, then x3 for the performance, and x4 for the enthu. that's what i see comin ahead, i seriously think they should make some k8 45nm like 2 or 3 models to hold that lower end segment, imo anyways.
I do like the sound of that. The other thing is x6 and x8 cores should be seen relatively soon after the move to 45nm. It will be interesting to see if AMD will attempt to push these into the enthusiast desktop market (Phenom FX?) or keep them restrained to the Opteron branding.

Quote:
Originally Posted by Licht View Post
Wonder how long it will take desktop applications to be as well multithreaded that they can begin to utilize many-core CPU.
Now that Intel is focusing on multithreaded scaling with Nehalem, I'm sure they will begin to use their software influence to push for more multithreaded applications. Of course this will benefit AMD as well. The other interesting thing now is that the cache hierarchy between Barcelona/Shanghai and Nehalem is very similar (also cache sizes are pretty close for AMD), any Intel optimizations made to ensure cache is used effectively will probably benefit the new AMD processors as well.
Edited by darkcloud89 - 7/7/08 at 12:46pm
post #20 of 21
last i heard 45nm Phenoms are to be 15-25% faster over 65nm =/
    
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