another sandra question

Ram Int Buffered iSSE2 Bandwidth 3028MB/s 95% efficient

RAM Float Buffered iSSE2 Bandwidth 2512MB/s 79% efficient

those are my scores on sandra mem tests.......how do i go about boosting the Floating point scores??

how can one be 95% eff and the other ony be 79% ??

most systems that i compared to both tests are relatively close in score.

any suggestions?

thanks