Post
Topic
Board Altcoin Discussion
performance diffrence between cards
by
alxgomz
on 17/03/2018, 11:17:39 UTC
Hi everyone I have a rig with 6 RX480 8GB
I recently moded the bios using Polaris BIOS editor and atiflash (btw, thanks to the folks who helped me).

Now my 480 are mining  28-29 MH/s (i barely have 1 MH/s more) except one which is reporting a 24-25 MH/s
This one has a diferrent bios reported by atiflash:

miner@rig0x1:~$ sudo atiflash -i

adapter bn dn dID       asic           flash      romsize test    bios p/n
======= == == ==== =============== ============== ======= ==== ================
   0    01 00 67DF Ellesmere       M25P40/c         80000 pass 113-2E3470U.O5Y
   1    02 00 67DF Ellesmere       M25P40/c         80000 pass 113-2E3470U.O5Y
   2    03 00 67DF Ellesmere       M25P20/c         40000 pass 113-2E3470U.O5Y
   3    04 00 67DF Ellesmere       M25P40/c         80000 pass 113-2E3472U.O53
   4    05 00 67DF Ellesmere       M25P40/c         80000 pass 113-2E3470U.O5Y
   5    06 00 67DF Ellesmere       M25P20/c         40000 pass 113-1E353FU.O50

This GPU als o is the only one to have mixed memory types (SAMSUNG +  MICRON) while the other ones have SAMSUNG only.
Any idea why that happens and wether I can you any other BIOS to reach to the same kind of level?