I deleted the thresholds, and Cinebench ran between Gstate 1 and 2, same results (16.8 fps), My CPU usage was around 13%. and GPU usage was between 13% and 50% (atMonitor app):
Darwin Luiss-Mac-Pro.local 11.1.0 Darwin Kernel Version 11.1.0: Tue Jul 26 16:07:11 PDT 2011; root:xnu-1699.22.81~1/RELEASE_X86_64 x86_64
I ran GeekBench (Intel 32 bits, Trial did not allow me to choose 64bit)
Benchmark Summary Integer Score 4806 |||||| Floating Point Score 8954 ||||||||||| Memory Score 3320 |||| Stream Score 3966 ||||| Geekbench Score 5876 ||||||| System Information Operating System Mac OS X 10.7.1 (Build 11B26) Model MacPro4,1 Motherboard Apple Inc. Mac-F221BEC8 Rev 1.xx Processor Intel Core i7-950 @ 3.81 GHz 1 Processor, 4 Cores, 8 Threads Processor ID GenuineIntel Family 6 Model 26 Stepping 5 L1 Instruction Cache 32.0 KB x 4 L1 Data Cache 32.0 KB x 4 L2 Cache 256 KB x 4 L3 Cache 8.00 MB Memory 6.00 GB 1658 MHz DDR3 BIOS Apple Inc. MP41.88Z.0081.B08.1001221313
Then, I went back to have Thresholds, LOW(97,98,99,100) and H(0,98,99,100), ran Cinebench
and I logged from (atMonitor app), even at G-State 0, my GPU usage is very low! avg 13%
By the way my Card is :
EVGA GeForce GTX 560 Ti DS Superclocked.
Your geekbench score is about half of what it should be. I don't know man. I would try reinstalling. I've been having issues with cmos reset and annoying hangs on reboot. I decided I would reinstall to a spinning disk parititon and let windows have the ssd.