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+--- Thread: R9 270x compare to R9 280X (/thread-5187.html)
R9 270x compare to R9 280X - fonzy35 - 02-15-2016
Well i thought that if i buy a 280X i would double h/s in oclhashcat
the R9 280X (2048 Stream Processors Tahiti) on wpa2 @ 1050 Mhz clock= 147.4 kH/s
vs
the R9 270X (1024 Stream Processors Pitcairn) on wpa2 @ 1050 Mhz clock= 92,000 h/s
i'll get better performance with 2
R9 270X (1024 Stream Processors Pitcairn) on wpa2 @ 1050 Mhz clock= 2 X 92,000 h/s= 184,000 h/s
anybody else experience that?
is it because of the processor is different Tahiti vs Pitcairn?
Tia
RE: R9 270x compare to R9 280X - Flomac - 02-15-2016
(02-15-2016, 06:52 PM)fonzy35 Wrote: the R9 270X (1024 Stream Processors Pitcairn) on wpa2 @ 1050 Mhz clock= 92,000 h/s
That's because the 270X has 1280 stream processors. 92000/1280*1024=73600*2=147200. You're welcome
RE: R9 270x compare to R9 280X - fonzy35 - 02-15-2016
Well that was bad on my part. lol, i see it now :-)
so to double the speed of my 270x would need a r9 290