G5support.com said:
Did you have your power set on "Highest" in your Energy control panel? These numbers aren't much higher than a 2.0GHz unit. Compare here >>
http://g5support.com/group/viewtopic.php?t=945
No. I set it on Highest and re-benchmarked it:
Results 288.77
System Info
Xbench Version 1.1.3
System Version 10.3.4 (7L32)
Physical RAM 1024 MB
Model PowerMac7,3
Processor PowerPC G5x2 @ 2.50 GHz
L1 Cache 64K (instruction), 32K (data)
L2 Cache 512K @ 2.50 GHz
Bus Frequency 1 GHz
Video Card ATY,RV360
Drive Type Maxtor 6Y250M0
CPU Test 242.28
GCD Loop 147.47 5.76 Mops/sec
Floating Point Basic 398.62 1.44 Gflop/sec
AltiVec Basic 172.24 5.00 Gflop/sec
vecLib FFT 276.68 4.30 Gflop/sec
Floating Point Library 518.71 20.76 Mops/sec
Thread Test 260.71
Computation 190.73 2.57 Mops/sec, 4 threads
Lock Contention 411.84 5.17 Mlocks/sec, 4 threads
Memory Test 354.97
System 412.25
Allocate 913.65 595.98 Kalloc/sec
Fill 386.50 3076.51 MB/sec
Copy 278.15 1390.73 MB/sec
Stream 311.67
Copy 263.77 1928.19 MB/sec [G5]
Scale 272.85 2013.62 MB/sec [G5]
Add 361.94 2316.39 MB/sec [G5]
Triad 382.38 2336.33 MB/sec [G5]
Quartz Graphics Test 319.76
Line 309.27 7.87 Klines/sec [50% alpha]
Rectangle 292.03 20.54 Krects/sec [50% alpha]
Circle 304.93 7.03 Kcircles/sec [50% alpha]
Bezier 282.75 3.07 Kbeziers/sec [50% alpha]
Text 462.33 7.54 Kchars/sec
OpenGL Graphics Test 206.04
Spinning Squares 206.04 144.19 frames/sec
User Interface Test 397.79
Elements 397.79 127.95 refresh/sec
Disk Test 146.42
Sequential 157.11
Uncached Write 166.16 69.26 MB/sec [4K blocks]
Uncached Write 143.00 58.56 MB/sec [256K blocks]
Uncached Read 183.40 29.03 MB/sec [4K blocks]
Uncached Read 142.94 57.76 MB/sec [256K blocks]
Random 137.08
Uncached Write 162.45 2.44 MB/sec [4K blocks]
Uncached Write 192.41 43.39 MB/sec [256K blocks]
Uncached Read 102.41 0.68 MB/sec [4K blocks]
Uncached Read 124.05 25.53 MB/sec [256K blocks]