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Overclocking headroom is pretty much garunteed. Just depends on how much. I've never seen a 7850 go below 30% clock speed. Which brings it above a 660 of equal level.

Is this good for you?
http://forums.anandtech.com/showpost.php?p=33568815&postcount=908
Now show me your multiple references.

Is it me or am I the only who can't spot anything in there saying "these cards were limited". Rather the owners just didn't overclock it anymore like a lot of people.
And my references? Why the whole 7850 overclocking thread in this forum![]()
Including the one that died
Do you agree then that 1200MHz is not a guaranteed oc?
For those who think they will be so unlucky that they would end up with a 7850 that will not overclock. Why not just get one of the ones that has a huge factory overclock, like this one for same money as any other low priced 7850, and there in save yourself the difference from the GTX 660.
Job done!![]()
This card reportedly competes with the Radeon HD 7850, it promises performance between the GeForce GTX 650 Ti and GeForce GTX 660.
So how do I know the 7850 overclocks like hell?
Because of the 7850 overclocking thread on this forum (as stated before) and the benchmarks done by Toms Hardware after the release of the 12.11 beta.
I've never seen a 7850 go below 30% clock speed.
Where are the multiple references there?
That aside, did or didn't you say that
what is your sample size? I've shown you already a few that did not overclock that much.
No overclock is ever guaranteed on any GPU regurless of colour.
What your trying to say is the 7850 on avrage can't be as fast as the GTX 660, your wrong, the GTX 660 is clocked much closer to its overclock sealing than the 7850, unless that is you just get a 7850 thats clocked up much more to normal clock speeds.
The GTX 660, while a great card, nothing wrong with it, is over priced, it also only has a 192Bit Memory bus, which frankly belongs on a budget card, not a £180 mainstream GPU.
What, you want exact numbers? quite a few.
You have shown me a few that aren't clocked that much, that does not mean they wont or that the user wanted to.
+ 30% is 1118Mhz. Thats a very average overclock.
I am saying that at stock freq the 660 is on average 15% faster than a stock 7850. Do you agree with this?