Acer Aspire 5741G uses Intel latest Calpella structure.
CPU is Intel Core i3-330M. The clock is 133 X 16 => 2.13GHz, L3 3MB, dual core and supports HT technology.
The chipset is HM55. Comparing to GM45, I believe the performance will be much better.
OS is Windows7 Ultimate 64Bit
Hardware info in Device Manager
Windows7 system performance
CPU performance test
Super PI 32M => 33m 49.943s
CPUMARK99 => 327
Nuclearus Multi Core => 8243
Fritz Chess Benchmark => 8.06/3869