It indicates the following:
Model Hewlett-Packard HP Pavilion dv7 Notebook PC Motherboard Quanta 3638 Processor AMD Turion II Dual-Core Mobile M520
Processor ID AuthenticAMD Family 16 Model 6 Stepping 2 Processor Frequency 2.30 GHz Processors 1
Cores 1 Threads 2
L1 Instruction Cache 64.0 KB L1 Data Cache 64.0 KB
L2 Cache 512 KB L3 Cache 0.00 B
Whether that is faster than your current CPU I don't know.