Question on why 1 GPU is showing ~100H/s less than the other
#1
I have two GPU's same vendor; os Ubuntu Server latest release, drivers I believe the latest, amd-catalyst-14-9-linux.

Board name: AMD Radeon R9 200 Series
Board name: AMD Radeon R9 200 Series
Board name:

Platform Name: AMD Accelerated Parallel Processing
Platform Name: AMD Accelerated Parallel Processing
Name: Pitcairn
Name: Pitcairn
Name: Intel(R) Core(TM) i3 CPU 530 @ 2.93GHz

./oclHashcat64.bin -m 7100 -b
oclHashcat v1.32 starting in benchmark-mode...

Device #1: Pitcairn, 2000MB, 1070Mhz, 20MCU
Device #2: Pitcairn, 2000MB, 1070Mhz, 20MCU

Hashtype: OSX v10.8 / v10.9
Workload: 35000 loops, 2 accel

Speed.GPU.#1.: 382 H/s
Speed.GPU.#2.: 287 H/s
Speed.GPU.#*.: 669 H/s

Started: Wed Jan 28 21:41:41 2015
Stopped: Wed Jan 28 21:42:07 2015

GPU #2 is about 100 H/s less in the benchmark mode.. is this normal?
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#2
od6config is your friend
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