How Small/Big of an Overclock would it Take for an R9 290 to Match 290x/390/480 Performance?

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GreenCurry

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Jul 9, 2015
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4,510
I am curious because I currently have a Reference Gigabyte R9 290 and I'm wondering how much would it take for an R9 290 to match or maybe beat a 290x/390/480. Thank you.
 
Solution
scuzzycard
I'll work out the 290X for you. The R9 390 and 480 have way faster memory, so I can't estimate the way I will below. They are both almost identical in benchmarks to the 290X, so that might be all you need to know.

R9 290:
947MHz Clock Speed
2560 Shader cores
1125MHz Memory

R9 290X:
1000 MHz (+5.6%)
2816 Shader cores (+10%)
1250MHz Memory Clock

Overall: 1.1*1.056=1.1616
1.1616*947 = 1100 Core clock and raise memory clock to 1250 would be my best guess :)
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scuzzycard

scuzzycard

Honorable
Feb 26, 2016
1,583
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12,960
I'll work out the 290X for you. The R9 390 and 480 have way faster memory, so I can't estimate the way I will below. They are both almost identical in benchmarks to the 290X, so that might be all you need to know.

R9 290:
947MHz Clock Speed
2560 Shader cores
1125MHz Memory

R9 290X:
1000 MHz (+5.6%)
2816 Shader cores (+10%)
1250MHz Memory Clock

Overall: 1.1*1.056=1.1616
1.1616*947 = 1100 Core clock and raise memory clock to 1250 would be my best guess :)
 
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