Hi all! Are these the cards that are sold in gpucoin store? Found a sweet local deal on them. If they're not, is it worth picking these for mining? What would be hashrates for them on known algos? thanks in advance.
Brand Gigabyte
Model Radeon R9 280X
MPN GV-R928XOC-3GD
I have 4xGigabyte GV-R928XOC-3GD-GA. I think it almost the same.
Hashrate for some algo:
Scrypt - ~710kH/s
Scrypt-N - ~360kH/s
x11 - ~2000kH/s
Some settings - core - 1025MHz, memory - 1500Mhz, vddc - 1.075v
Other algos i don't tested

I have the same card and I am getting 748 kh/s stable. Try zuikkis bin from here (
).I barely reach 720 without it..