Why no officially rated 4GHz CPUs?

qubit · Jun 7, 2009

4GHz+ capable technology has been around for some time now, so why no CPUs officially rated for it?

For example, my E8500 went to 4.75GHz without trying too hard (you wouldn't want to keep it there) but it can do 4.11GHz 24/7 without even thinking about it, so why no 4GHz rated CPUs?

h3llb3nd4 · Jun 7, 2009

If there were any, they would cost more than $1500...

kyle2020 · Jun 7, 2009

h3llb3nd4 said:
If there were any, they would cost more than $1500...

what? How is that even logical? :wtf:

The E8700 is being released soon, not sure on its frequency but chips are bound to get more powerful from stock.

BarbaricSoul · Jun 7, 2009

kyle2020 said:
what? How is that even logical?

The E8700 is being released soon, not sure on its frequency but chips are bound to get more powerful from stock.

the e8700 is gonna be a 3.5 gig dual core

trickson · Jun 7, 2009

I am not sure this is a very good question !
I don't think that it would be hard for both Intel or AMD to put out a 4.0GHz CPU but I think it would cost a ton of cash as we see the lower the MHz the cheaper the price once you start to get to the 3.0Ghz and above then they tend to be very high priced .
But still I have no Idea why .

h3llb3nd4 · Jun 7, 2009

kyle2020 said:
what? How is that even logical?

The E8700 is being released soon, not sure on its frequency but chips are bound to get more powerful from stock.

Intel and AMD aren't really going to release a 4GHz CPU for $500...
Isn't the best i7 $1100 or something?

kyle2020 · Jun 7, 2009

h3llb3nd4 said:
Intel and AMD aren't really going to release a 4GHz CPU for $500...
Isn't the best i7 $1100 or something?

Thats bleeding edge, new socket type. Its practically brand new tech - look at the GTX 260 - over here they were £250 brand new, now they are £120.

Bo$$ · Jun 7, 2009

there was 3.8 on a pentium D extreme

h3llb3nd4 · Jun 7, 2009

kyle2020 said:
Thats bleeding edge, new socket type. Its practically brand new tech - look at the GTX 260 - over here they were £250 brand new, now they are £120.

Well in the future there might be 10Ghz chips going for $200, it all about time.
And if there are any 4Ghz chips now, it will cost a lot.

IINexusII · Jun 7, 2009

manafactueres dont release 4ghz chips because of the voltages that are required by it. from a retail view there would be no point of releasing to the masses.

choppy · Jun 7, 2009

IINexusII said:
manafactueres dont release 4ghz chips because of the voltages that are required by it. from a retail view there would be no point of releasing to the masses.

more voltage = more heat = requirement for better stock cooling = increase in manufacturing/production costs

an increase in cost isnt what intel/amd want - especially in the current economic climate.

Mussels · Jun 7, 2009

i'm seeing some silly answers here.

There are no 4GHz chips for sale right now, because intel likes its money. it slowly raises them 100, 200MHz at a time making profit from every generation. if they just skipped up 500Mhz at a time, demand would outpace their ability to make faster chips - and we'd end up with more pentium 4 CPU's with high clocks and shit performance

qubit · Jun 7, 2009

Mussels said:
i'm seeing some silly answers here.

There are no 4GHz chips for sale right now, because intel likes its money. it slowly raises them 100, 200MHz at a time making profit from every generation. if they just skipped up 500Mhz at a time, demand would outpace their ability to make faster chips - and we'd end up with more pentium 4 CPU's with high clocks and shit performance

That reminds me of the old Athlon XP v P4 Northwood performance race. I initially got the Athlon XP 2500+ o/c to 2.2GHz, which was very good at gaming, but was always second to the hot and sweaty P4 with its inefficient architecture and high clocks.

I then ended up getting a P4 2.8 Northwood CPU in 2004 which I overclocked to 3.5GHz from day one on an Abit AI7 mobo (AGP graphics, remember those?) At that speed, gaming performance was screamingly fast and it can run Vista very well to this day. Modern games are crap on it though, as you'd expect.

Wayward · Jun 7, 2009

The real answer is technology. Current generation signal multipliers start going unstable at those speeds, and until recently there were no viable alternatives. Now with the advent of graphene-based signal multipliers, estimated speeds of up to 1 Tera hertz could be reached (in theory anyway).

Read the link: http://www.dailytech.com/MIT+Graphene+Multiplier+May+Push+CPUs+to+1000+GHz/article14658.htm

SCIENCE RULES!

Bo$$ · Jun 7, 2009

Wayward said:
SCIENCE RULES!

+1 on that

qubit · Jun 7, 2009

Wayward said:
The real answer is technology. Current generation signal multipliers start going unstable at those speeds, and until recently there were no viable alternatives. Now with the advent of graphene-based signal multipliers, estimated speeds of up to 1 Tera hertz could be reached (in theory anyway).

Read the link: http://www.dailytech.com/MIT+Graphene+Multiplier+May+Push+CPUs+to+1000+GHz/article14658.htm

SCIENCE RULES!

Well no, the multiplier doesn't go unstable at 4GHz or current processors wouldn't be able to do 4GHz so easily, so that can't be the reason.

SundM001 · Jun 7, 2009

A few years back it was the CPU speed wars between AMD and Intel. Intel foresaw that their processors would reach 10 GHz. What was found is that certain instabilities at the time would be found in passing 4 GHz in consumer use. On a side note IBM made a few that were faster, but were used in test locations only.

With AMD leading the way with 64 bit tech, Intel needed something to catch the public's eye.

Enter the theory of parallelism in CPU's.

Parallelism - having 2 or more CPU dies on one wafer. First came hyperthreading (2 virtual cores) and then there were 2 physical This was the "Core" moniker that became so popular. With the added increase in performance the need for fast speeds was replaced by slower speeds at the ability to transfer data more efficiently and just as fast or faster.

It was like having a road bridge with a lot of vehicle traffic. Did it make sense to increase the speed limit? Or was building a second bridge next to it better.

techjunkie · Jun 7, 2009

Don't forget that todays cpus consume a lot of power at 4GHz+

People will be like, " What the hell ! this cpu consumes 250W !!!"

Wayward · Jun 7, 2009

qubit said:
Well no, the multiplier doesn't go unstable at 4GHz or current processors wouldn't be able to do 4GHz so easily, so that can't be the reason.

I said "starts" to go unstable. The exact speed depends of many factors. There is no exact speed wall to run into, stable overclocks have been achieved past 6 Giga hertz under LN2.

Point is, it's not commercially viable. If they actually took the chips to their limits at stock, where would we be as overclockers? Sure 4+ Ghz is possible on current gen chips, and more power to you for getting it, but if they shipped preclocked that way, we would have no headroom left.

sneekypeet · Jun 7, 2009

Wayward said:
I said "starts" to go unstable. The exact speed depends of many factors. There is no exact speed wall to run into, stable overclocks have been achieved past 6 Giga hertz under LN2.

Point is, it's not commercially viable. If they actually took the chips to their limits at stock, where would we be as overclockers? Sure 4+ Ghz is possible on current gen chips, and more power to you for getting it, but if they shipped preclocked that way, we would have no headroom left.

True but we have to assume ultra cherry picking (Only using the best silicon CPU's) is going on here. Just as an example, erocker has an E8600 that IIRC does 4.0GHz with stock or damn near stock voltage. That still leaves quite a bit of headroom IMHO.

ste2425 · Jun 7, 2009

off topic but wayward is ur sig from one of the x3 games?

vbx · Jun 7, 2009

The real answer is money. They are milking the 2-3ghz until they feel that the market is saturated, they will then say it's time to Release the 4ghz when the market is ready for one. They will do the same with the 4ghz b4 they release the 5ghz. etc etc.

Kinda like what Capcom did with SF2.

Look at the cellphone cameras. They are milking the 1.5-2 megapixels for a while now.

Is there even a need for a 4ghz processors right now? Besides posting bench scores and showing the net who has the better setup? LOL

sneekypeet · Jun 7, 2009

yes there is a use for a 4GHz dual core, but to make it worth the effort it would have to still be price at or below Quads to be effective.

Wayward · Jun 7, 2009

sneekypeet said:
True but we have to assume ultra cherry picking (Only using the best silicon CPU's) is going on here. Just as an example, erocker has an E8600 that IIRC does 4.0GHz with stock or damn near stock voltage. That still leaves quite a bit of headroom IMHO.

Point taken. You are of course correct, binning is one of the mitigating factors. That is one fine E8600 BTW.

ste2425 said:
off topic but wayward is ur sig from one of the x3 games?

Nope, but good guess though. My sig is from a highly modified version of Freespace2. If you enjoy space combat sims, it puts the 'X' series to shame IMHO. You can find all the how-to information and the necessary mod files here: http://www.hard-light.net/

Go here to get started: http://www.hard-light.net/wiki/index.php/Getting_started

Homeless · Jun 7, 2009

Not all chips are made equal, so I don't think it's possible to get 4ghz on all chips. Binning would be very selective so it's most likely not worth it to them

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Why no officially rated 4GHz CPUs?

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