Oops, I think Paul hit it right. My 1.5 GHz 17" PBG4 Xbench numbers were based on "Automatic" here are the "Highest" numbers--huge difference: Results 143.28 System Info Xbench Version 1.1.3 System Version 10.3.7 (7S215) Physical RAM 1024 MB Model PowerBook5,5 Processor PowerPC G4 @ 1.50 GHz L1 Cache 32K (instruction), 32K (data) L2 Cache 512K @ 1.50 GHz Bus Frequency 167 MHz Video Card ATY,RV360M11 Drive Type TOSHIBA MK8025GAS CPU Test 165.56 Thread Test 127.50 Memory Test 130.02 Quartz Graphics Test 178.61 OpenGL Graphics Test 112.65 User Interface Test 211.36 Disk Test 55.08 On Feb 3, 2005, at 9:45 PM, Paul H. Yoshimune wrote: > On Thu, Feb 03, 2005 at 11:27:47PM -0600, Robert Nicholson wrote: >> It wasn't by any means a scientific test but perhaps there are issues >> with XBench on the newer powerbooks? >> >> I definately shut down all apps before conducting the test though. > > You might check in the Energy Saver preference, and see if there's a > processor > performance setting. Make sure it's set to "highest"; having it other > settings > has been shown to greatly affect performance...