Ca ne veut pas dire grand chose mais ça te donne un aperçu des capacités de ta machine.
Après l'intérêt est de comparer avec d'autres machines pour te faire une idée. Je ne sais pas combien le G5 bi pro 2 ghz fait mais tiens voici le bench de mon pm.
Results 122.39
System Info
Xbench Version 1.0
System Version 10.3.1
Physical RAM 1024 MB
Model PowerMac3,6
Processor PowerPC G4 @ 1.00 GHz
Version 7455 (Apollo) v3.3
L1 Cache 32K (instruction), 32K (data)
L2 Cache 256K @ 1000 MHz
L3 Cache 1024K @ 250 MHz
Bus Frequency 134 MHz
Video Card GeForce4 MX
Drive Type Maxtor 6Y080L0
CPU Test 114.71
GCD Recursion 118.75 4.64 Mops/sec
Floating Point Basic 110.87 373.70 Mflop/sec
AltiVec Basic 113.12 6.14 Gflop/sec
Floating Point Library 116.44 5.23 Mops/sec
Thread Test 88.66
Computation 63.16 508.86 Kops/sec, 4 threads
Lock Contention 148.65 1.87 Mlocks/sec, 4 threads
Memory Test 131.85
System 155.92
Allocate 584.87 197.19 Kalloc/sec
Fill 188.93 1083.40 MB/sec
Copy 81.72 408.58 MB/sec
Stream 114.22
Copy 114.44 500.45 MB/sec [altivec]
Scale 117.61 513.12 MB/sec [altivec]
Add 115.88 527.28 MB/sec [altivec]
Triad 109.29 480.22 MB/sec [altivec]
Quartz Graphics Test 136.11
Line 109.14 2.78 Klines/sec [50% alpha]
Rectangle 123.42 8.68 Krects/sec [50% alpha]
Circle 141.01 3.25 Kcircles/sec [50% alpha]
Bezier 138.28 1.50 Kbeziers/sec [50% alpha]
Text 194.26 3.17 Kchars/sec
OpenGL Graphics Test 111.72
Spinning Squares 111.72 78.18 frames/sec
User Interface Test 184.14
Elements 184.14 62.65 refresh/sec
Disk Test 126.85
Sequential 139.58
Uncached Write 135.42 59.09 MB/sec [4K blocks]
Uncached Write 140.72 57.25 MB/sec [256K blocks]
Uncached Read 151.22 23.82 MB/sec [4K blocks]
Uncached Read 132.37 57.10 MB/sec [256K blocks]
Random 116.25
Uncached Write 136.35 2.06 MB/sec [4K blocks]
Uncached Write 123.08 28.24 MB/sec [256K blocks]
Uncached Read 92.44 0.60 MB/sec [4K blocks]
Uncached Read 122.98 24.10 MB/sec [256K blocks]