Why do GPUs crash when I switch from Litecoin to Dogecoin with same settings?

[coopr]

I've got my two 7950s reliably mining Litecoin at ~650 Kh/s each.

But, when I switch to mining Dogecoin, leaving all the same settings in place, I get frequent GPUs crashes.

Anyone else experience this? Any suggestions?

[okimzti]

different code...different results?  I am pretty sure there is no one config to rule them all

[unfocus]

I've got my two 7950s reliably mining Litecoin at ~650 Kh/s each.

But, when I switch to mining Dogecoin, leaving all the same settings in place, I get frequent GPUs crashes.

Anyone else experience this? Any suggestions?

Because it's dodgy