Author: Aaron Gordon
Date: 17:16:55 08/17/03
Go up one level in this thread
On August 17, 2003 at 15:27:15, William Penn wrote: >On August 15, 2003 at 18:10:17, Aaron Gordon wrote: > >>On August 15, 2003 at 16:27:54, William Penn wrote: >> >>>I have had a 500MHz Celeron/256MB system for quite a few years. I just bought a >>>new 2.6GHz Celeron/512MB computer and was expecting my chess software to run >>>about 5X faster. It doesn't!? After considerable comparisons and benchmarking, >>>it's clear that it runs about 2.2X faster. My tests & benchmarks are based on >>>kN/s in infinite analysis mode using various practical chess positions and the >>>Shredder 7.04 UCI engine in the CB GUI. >>> >>>What is the most important single other factor (besides processor speed) that >>>would increase the speed of this engine in terms of kN/s? I'm sure that more RAM >>>wouldn't do very much. Is it "BUS speed", or "memory speed", or "processor cache >>>size", or "processor type", or what? I'm not interested in minor factors, just >>>the most important one. >>>WP >> >>This is what Intel counts on, people only looking at the MHz. Unfortunately you >>got stiffed by Intel. Lots of benchmarks show the Celeron 2.2 overclocked to >>well over 3GHz losing to a Duron 1.2GHz in most things, which should scale to >>about what you have been seeing. >> >>The Pentium 4 is the same way (just not as bad). The best bet would be to get a >>2800+ Athlon XP chip (if you don't want to overclock) as its the fastest MHz >>wise (2250MHz) of any of the Athlons for chess, and faster than any of the P4s >>out today for chess as well. If you'd prefer lots of speed and some >>overclocking, try one of my 2.4-2.5GHz Athlon XP pretested chips.. They'll put >>you up near P4-4GHz speed chess-wise and blow a P4-3.2 out of the water at >>everything else. >> >>I've already done the tests vs a P4-2.53 @ 3.32GHz in multiple applications >>(divx, mp3 encoding, compiling, encryption/decryption, sciencemark, chess, etc), >>the P4-3.32 lost by a significant ammount in most of the tests. Plus, at $79 for >>the 2.4GHz Athlon XP (3200-3400+ IMO) isn't bad at all.. >> >>Here are some chess benchmarks: >>http://www.newageoc.com/crafty/bench.html >> >>Note: I don't have any freon-cooled Athlon systems tested yet (at 3.4GHz), so >>that would beat the P4-4GHz w/ HT by quite a bit. The top Athlon on there is the >>2.5GHz and that is AIR cooled. The top P4 is FREON (-50 celsius) cooled. >> >>You can see from here the 2.2GHz Athlon (Athlon XP 2800+ is 50MHz faster) beats >>a P4-3.25GHz. Celeron 1GHz (p3 core) is faster than a Pentium 4 1.5GHz, and an >>Athlon XP 1.86GHz (about like a 2200+) is almost equal to a P4-3GHz. Even the >>Pentium 3 1.12GHz beats a P4-1.6GHz. Good job Intel. :) >> >>Intel has it pretty sweet, though. Only company I know that can produce a >>product sigificantly worse than the last one and charge people 4-5 times more >>and have people actually buy it. >> >>My recommendation is take it back and build an Nforce2 based Athlon XP 2800+ >>system. If you'd like to save a little money and get some extra speed, head over >>to www.newageoc.com. If you don't know how to overclock I can manually 'lock' >>the chip at 2.4GHz that way you don't need to do anything but drop in the chip >>and put on the heatsink. :) > >Thanks for the advice & info. Very interesting. This 2.6G Celeron box + monitor >only cost me $650 bottom line on sale at Staples (Compaq Presario S4200NX). I >still have a few days to take it back. Hard to decide. I may keep it. The >computer hardware minus monitor/software cost was only about $400. I've been >looking at alternatives if I want to spend $1000+ but not sure if I do. I kept >your link. If I do then I may be in touch later. >WP You could always pop in a higher speed Pentium 4 chip later on.. but.. you won't see too much of a difference in what you get now score wise for chess. Other applications will be quite bit faster though. If you could sell that Celeron chip and try to get $80 or so for it, you can pitch in another $80 and get a P4-2.53GHz..
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