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6770 full specs

Looks like i will skip the refresh then if that is true, I Will stick with the 470.

I say that but i know i will get new gadget syndrome and try one!
 
The 6870 won't be a double 6770.

Last series was

5870 1600 shaders £300
5850 1440 £200
5770 800 £125
5750 720 £100
5670 400 whatever
5570 400??? who cares
5450 80

Theres a big stonking hole between 1600 and 800 shaders which could only be filled by a very expensive to make large core'd 5830 that AMD probably lost money on.

What they need is a new card between the old 5770/5870 level of performance.

Then you have the 5670/5570 with the same shader count?

The main reason for all this is, a 256bit bus makes for a very expensive pinout/pcb/memory/power usage for a card with only 800 shaders, any more shaders and the lack of bandwidth kills it. To make a 1000-1200 shader card wouldn't leave much space to a 5850.

This gen will go along the lines of

6870 1920 shaders £300
6850 1780 £230
6770 1280 £175 (spanking the crap out of the 460gtx 1GB, same price + 30-40% performance around 5850 performance, fill the only hole in the lineup, have something that makes a good profit between £130-200 price points where they just didn't have a card in the 5 series)
6750 1120 £150
6670 800 128bit bus £115
6650 720 £90
6570 400 whatever
etc etc

They are just filling the hole and spreading the midrange/lower midrange out MUCH more effectively. With the high end shifting up several clusters theres now room for a 256bit card with a smaller core than Cypress.
 
Yup, i imagine the prices will remain pretty consistent with the current line up prices (i.e. 6870 will be roughly the 5870's current price), given the use of 256bit boards and (hopefully) cheaper cores.

Of course, without Nvidia to compete, the prices may be much higher.. I hope not.

Let's not assume either, remember how stunned (because it's positioning wasn't what we expected) we were with the release of the 5770, and the initial high price of the 8800gt that we thought would be a budget buyers dream (It was still awesome just not as awesome as we wanted - for the price.) Regardless of leaked specs, it might be something entirely different, for an entirely different price.
 
I'm sure Gibbo mentioned that ATi believed that the 5xxx series was priced too low

6870 1920 shaders £300
6850 1780 £230
6770 1280 £175

I'd agree with the 6770 pricing, but I'd be tempted to add £50-£75 onto the 6850 & 6870 prices.
 
Sources tell me that the HD6870 will be 2560 shaders, 128 tmus, 64 rops, 825mhz core and 2gb of 6ghz ram over a 256bit bus. It will cost approximately £370 on release.

These sources also tell me other things that I cannot mention on these forums. :(
 
So essentially the HD6870(640 4D shaders) is twice an HD5870(320 5D shaders). The HD5870 was essentially twice an HD4870(160 5D shaders).

This would mean the HD6870 is comparable to an HD5970 if the specifications are accurate unless of course the "shader groups" are faster.
 
I am interested in the HD6750 as it looks like it will use only one PCI-E power connector. It will be interesting to see how well this performs when compared to the HD5770.
 
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