Try this setup with that bios 6x580 1180/2150 900mv/950mv 942 per card 780w
{
"cryptonight_type" : "normalv8",
"intensity" : 100,
"double_threads" : true,
"worksize" : 8,
"threads" : 2,
"fragments" : 16,
"bralock" : 50
}
https://dodaj.rs/images/780w.jpgIf anybody have better setup pls give us

{
"gpu_conf" :
[
{ "id" : 0, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16},
{ "id" : 1, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16},
{ "id" : 2, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16},
{ "id" : 3, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16},
{ "id" : 4, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16},
{ "id" : 5, "cryptonight_type" : "normalv8", "intensity" : 58, "worksize" : 8, "double_threads" : true, "fragments" : 16}
]
}
OC C:1265/900mv M:2090/850mV (samsung) oko 725W ceo rig
RX 580 Nitro+ 4gb
Driver 18.6.1
Kernel compiled with SRB 1.6.9 miner
Memory straps OTC Polaris (SRB Polaris used also PIMP my straps)
Result
https://imgur.com/bwqBRNt4GB and 8GB dont hash the same. on Monero 8gb is slower on CNheavy is where the 8gb shines like 1100hs+