Originally posted by: Ben90
264 to my knowledge is the world record bclock on a classified. 264*21=5544 world record 920
975s can reach up to just barely over 6ghz
Both of those are under ln2. If ur going water, 3 920s gives u a higher chance of a better chip. I dont really know too much how phase ranks up with ln2, but i think that it would start having problems after 5ghz (not 100% sure)
920s and 975s are basically the same thing last i heard... although i do remember there being some controversy because people were whining how someone elses 920 could do 4.6 on water, while their 975 could only do like 4.2. I havent been paying too much attention, but it is possible that Intel does bin their 975 more aggressively not, but i find that highly unlikely still, because it just adds costs
The implication there is that Intel bins the 975's not only for stable operation at stock speeds but that they also bin them for overclocking prowess as well.
While I can understand how folks could convince themselves that this might be the case, there is actually no such "overclocking headroom validation" binning going on with the 975's any more so than it going on with the 920's.
You are guaranteed stock clocks, that is all that Intel is going to invest money into validating at bin and test. These aren't cherry-binned TWKR chips.
The "rationalization" trap that people get themselves wound-up in is the shmoo plot, or rather the fundamental device physics that give rise to the shmoo plot are also what gives rise to the concept of entitlement that enthusiasts tend to want to believe they have coming to them when they get a low VID chip or buy a high stock-clock chip.
But each IC has its own unique set of clock-limiting defects, entropy and the second law of thermodynamics makes sure of this, so while Intel does their job in establishing/guaranteeing one datum point along the cpu's shmoo curve it is up to us to determine where the rest of the curve lies, including where it ends. For some 920's it may very well end at a clockspeed higher than that of some 975's.