AMD RV770 refresh -> RV790

Psycho said:
Kef, that's a very different CPU.. I found these:
http://orb.futuremark.com/resultComparison.action?compareResultId=675992&compareResultType=19
http://orb.futuremark.com/resultComparison.action?compareResultId=796850&compareResultType=19
Ofcourse ORB result are always subject to tweaking and unknown system speeds, but apparently it looks very close to a 4870 at the same clocks.

gpu-z shot looks valid btw, just using older drivers...
Click to expand...

Yep. It seems close to a 850/1000-1100 HD4870.
 
Psycho said:
Kef, that's a very different CPU.. I found these:
http://orb.futuremark.com/resultComparison.action?compareResultId=675992&compareResultType=19
http://orb.futuremark.com/resultComparison.action?compareResultId=796850&compareResultType=19
Ofcourse ORB result are always subject to tweaking and unknown system speeds, but apparently it looks very close to a 4870 at the same clocks.

gpu-z shot looks valid btw, just using older drivers...
Click to expand...

Maybe so, but if I do a search on google, almost all tested HD4870 systems gets around 8500+ marks. I'm confused... :???:
 
We get a GPU score of 7715 points:
- HD 4870 1G
- Core 2 Quad Q9450 @ 3.6 GHz
- Catalyst 9.1

So the 9801 points for HD 4890 are a really good result. 27 percent higher score!
 
So basically... if the leaked benchmark is valid you get the following GPU scores:

HD4870: 7715
HD4890: 9801
GTX285: 10436

And as KonKort already pointed out, HD4890 scores 27% higher than HD4870. It cannot be explained by a 13% core speed increase... :D There's more to this puppy than clocks!
 
Yes, AMD had many months to optimize the architecture. They have done a good job, if you find in more applications this speed bump. But I am skceptic.
I think in average the chip will not run faster than 20 percent, but this is - of course - more than a clock increase. ;)
 
Kef said:
So basically... if the leaked benchmark is valid you get the following GPU scores:

HD4870: 7715
HD4890: 9801
GTX285: 10436

And as KonKort already pointed out, HD4890 scores 27% higher than HD4870. It cannot be explained by a 13% core speed increase... :D There's more to this puppy than clocks!
Click to expand...

And GTX280: 9367.

Anyway, we have to wait for real benchmarks and real reviews to better understand the entity of performance improvements clock to clock vs RV770, if any. Synthetic benches have proven to be very misleading in the past... ;)
 
Sorry, you could not compare the results. In our reviews we bench in 1280x1024, 1xAA/1xAF, too, but we set all other options to Extreme.

I have a new score for you. With the same setting of OC Heaven HD 4870 1G scores 8696 points. So it is an increase of 13%. We use a Core 2 Quad (3 GHz).
 
Last edited by a moderator:
KonKort said:
Sorry, you could not compare the results. In our reviews we bench in 1280x1024, 1xAA/1xAF, too, but we set all other options to Extreme.

I have a new score for you. With the same setting of OC Heaven HD 4870 1G scores 8696 points. So it is an increase of 13%. We use a Core 2 Quad (3 GHz).
Click to expand...

Damn, it's just a clock increase. ;)
 
Even if, I don't think it would make a difference in 3DMark 06, since it doesn't use very much FP16-filtering, being able to run very decently on the X1K-Series, which do not support this feature.
 
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