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To: wanna_bmw who wrote (157286)	1/30/2002 7:40:59 AM
From: Dan3	Read Replies (2) \| Respond to of 186894

Re: NW to post a 12% increase in SPECint over a Piii that is 57% ...... I notice how you AMDroids whine all the time about the public perception of megahertz The super-duper, large cache, Prefetch enabled, netburst equipped, this is the one, running hand optimized code, P4 is clocked 56% higher yet performs only 12% better than an old PIII and you fail to see why a growing number of people are disgusted with Intel's Psuedo-hertz? P4 should have been called Celereon -1.

To: wanna_bmw who wrote (157286)	1/30/2002 12:28:13 PM
From: milo_morai	Read Replies (2) \| Respond to of 186894

<font color=red>Some PIV Performance Anamolies being reported. "A PIV Anamoly Tim Cole - 1/27/02 -------------------------------------------------------------------------------- I'm seeing some odd results from this Northwood of mine. It's running at 2.8GHz just fine, but what it's not doing is producing noticeably better results than my older 2GHz willy. I run SETI 24/7 on everything I have, so I have a good feel for it. I compared the Team Lamb Chop bench score from my old 2GHz chip to that just run on this box at 2.8GHz, and the difference was only 23 minutes (Ed.note: a little more than 10% improvement). This is not at all what I expected from a 40% MHz jump. I get the feeling something is not quite right. All of the chipset drivers are installed, and the board seems to be tweaked as much as possible. What really raised a flag is I got this 1.8A part running on an i845 board, and while cruising at 2.4GHz it's outperforming the 2.8 box in some areas. Can't put my finger on it yet, but something's wrong. I was just thinking that maybe it looks like this 2.2 is running fine at 2.8, but perhaps it's actually getting hot enough to trigger the throttling diode under load and then it's not running as fast as stock, or something of that nature. Ed. note: I have been wondering about this ever since I saw the Tom's Hardware benchmarking with an overclocked Northwood. In that case, though, temperature was not an obvious factor. There's a few other possibilities. Many of these PIV boards allow for asynchronous settings of FSB and memory. Asynchronous modes in the past have led to performance hits, that may be a factor here. In the case of i850 boards, if RDRAM is being slowed down, that could lead to a possible bottleneck. In the case of at least video-intense benchmarks, it may just be a matter of a video card bottleneck. Or it may well be some sort of throttling is going on. If you are one of the Northwood pioneers, I'd like to hear from you to see whether or not you're running into the same thing in your favorite benchmarks when you crank it up. Please include items like the mobo you're using, the type of RAM, the FSB and memory speeds. overclockers.com This is AMAZING. Kinda makes my previous point even more valid. M.