Geekbench Comparison: G4 vs G5 vs AMD64 vs P4 vs Xeon
On Geekpatrol.ca there is a comparison between…
1. Mac Mini 1.42 GHz * 512 KB L2 cache * 167 MHz system bus * 1 GB DDR 333 SDRAM 2. iMac G5 2.1 GHz * 512 KB L2 cache * 700 MHz system bus * 1.5 GB DDR2 533 SDRAM. 3. iMac Core Duo 1.83 GHz * 2 MB L2 cache shared between cores * 667 MHz system bus * 1 GB DDR2 667 SDRAM. 4. iMac Core Duo 2.0 GHz * 2 MB L2 cache shared between cores * 667 MHz system bus * 512 MB RAM DDR2 667 SDRAM 5. Power Mac G4 Dual 1.25 GHz * 256 KB L2 cache per cpu * 2 MB backside L3 cache per cpu * 167 MHz system bus * 1.75 GB DDR 333 SDRAM 6. Power Mac G5 1.6 GHz * 512 KB L2 cache * 800 MHz system bus * 768 MB DDR 333 SDRAM 7. Power Mac G5 Dual 1.8 GHz * 512 KB L2 cache per processor * 900 MHz system bus * 1 GB DDR 400 SDRAM. 8. Power Mac G5 Dual Core 2.0 GHz * 1 MB L2 cache per core * 1000 MHz system bus * 2.5 GB DDR2 533 SDRAM 9. Power Mac G5 ‘Quad’ 2.5 GHz * 1 MB L2 cache per core * 1.25 GHz system bus * 1.5 GB DDR2 533 SDRAM 10. AMD Athlon 64 3200+ (2.2 GHz) * 512 KB L2 cache * 800 MHz system bus * 1 GB of DDR 400 SDRAM. 11. Intel Pentium 4c 2.4 GHz HT * 512 KB L2 cache * 800 MHz system bus * 1 GB DDR 400 SDRAM 12. Intel Xeon Dual 3.2 GHz HT * 1MB L2 cache per CPU * 800 MHz system bus * 1 GB DDR2 400 SDRAM
… using Geeckbench Preview: a opensource benchmark running on MacOSX and Windows by now.
I’m sure, these tests can’t be called “official” but… give an idea about performances of these processors/machines.