10. SiSoft Sandra 2002, Continued

Using the energy scheme "Portable/ Laptop," the CPU runs at maximum clock speed on full power, thanks to "Enhanced Speedstep" technology. The power schemes "Max Battery" and "Presentation" both force the processor to run at a minimal CPU clock speed (600 MHz), even when fully charged.

The memory bandwidth measurement shows that the memory interface of the 855PM was implemented extremely well. The values were around 2000 MByte/s, very close to the theoretical maximum memory bandwidth of 2100 MByte/s (DDR2100-RAM).

Using the power scheme "Max Battery" or "Presentation" reduces the processor speed and, as a consequence, the memory bandwidth. Amazingly, however, the big drop never materializes. We had actually been expecting a low value of around 1200 MByte/s.