I agree, the comparison is goofy, but you have the scores for those tests, and you can find the scores for the 24 inch with 3.06GHz processor too. Here, lmgtfy
Apple 24-inch iMac | Apple | Mac|Life | Mac|Life
24in 3.06GHz iMac, July 2009
Xbench Test:
System Info
Xbench Version 1.3
System Version 10.5.6 (9G2030)
Physical RAM 4096 MB
Model iMac9,1
Drive Type WDC WD1001FALS-40K1B0
CPU Test 200.73
GCD Loop 357.60 18.85 Mops/sec
Floating Point Basic 173.42 4.12 Gflop/sec
vecLib FFT 133.91 4.42 Gflop/sec
Floating Point Library 256.61 44.68 Mops/sec
Thread Test 386.73
Computation 474.91 9.62 Mops/sec, 4 threads
Lock Contention 326.16 14.03 Mlocks/sec, 4 threads
Memory Test 195.70
System 249.23
Allocate 397.74 1.46 Malloc/sec
Fill 197.82 9618.65 MB/sec
Copy 223.83 4623.02 MB/sec
Stream 161.10
Copy 153.84 3177.43 MB/sec
Scale 152.68 3154.28 MB/sec
Add 170.54 3632.81 MB/sec
Triad 169.05 3616.36 MB/sec
Quartz Graphics Test 246.56
Line 228.61 15.22 Klines/sec [50% alpha]
Rectangle 297.11 88.70 Krects/sec [50% alpha]
Circle 241.86 19.71 Kcircles/sec [50% alpha]
Bezier 241.12 6.08 Kbeziers/sec [50% alpha]
Text 234.89 14.69 Kchars/sec