What should be hashrate of 280x/7970 and 290 in Lyra2RE?
With my miner (see SIG) about 1100 and about 1700, depending on ram type.
Have sapphire r9 290x Tri-x OC 8gb and only get 886kh/s, 15.4 beta, win8.1 x64, 16gb ddr3 1333mhz
conf:
"algorithm" : "Lyra2RE",
"xintensity" : "512", (intensity 15 i get only 780mh/s)
"gpu-engine" : "835",
"gpu-memclock" : "1510",
"worksize" : "64",
"gpu-threads" : "1"