R9 280x - Getting 3.6 mh/s per card.
"intensity" : "16",
"worksize" : "256",
"lookup-gap" : "2",
"thread-concurrency" : "8193",
"shaders" : "0",
"gpu-engine" : "1150",
"gpu-fan" : "98",
"gpu-memclock" : "1500",
"gpu-powertune" : "22",
"temp-cutoff" : "90",
"temp-overheat" : "85",
"temp-target" : "70",
"api-listen" : true,
"api-mcast-port" : "4028",
"api-port" : "4028",
"auto-fan" : true,
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "2",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "10",
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin",
"api-allow" : "W:127.0.0.1,W:10.0.1.200,W:10.0.1.199",
"kernel" : "fresh"
}
I use driver 14.6
280x - only 2,96MH/s
Which driver do you use?