The Atom Z540 processors that came with the Sony Vaio X was running at 1.86GHz. We ran it thru several tests and benchmark results are shown below.

Average temperature of the system is about 48 degrees on normal use. We also ran the system thru PC Wizard 2008 global benchmarks with the following results:
Processor Global Performance : 837
Memory Global Performance : 2,059
Video Global Performance : 68
Hard Disk Global Performance : 39
PC Wizard Rating : 300.29
For CPU benchmarks, these are the numbers:
Whetstone (x87 – Float.) : 2,305 MFlops
Whetstone (iSSE3 – Float.) : 4,604 MFlops
Dhrystone (iSSE3 – Int.) : 6,009 Mips
Computation of “Mandelbrot” (iSSE3) : 65.46 sec.
Windows Experience Index: 2.5

SuperPI
16K: 0:02
32K: 0:03
64K: 0:05
128K: 0:10
256K: 0:21
512K: 0:44
1M: 1:36
2M: 3:20






