[rnln]

Of course laptop is more convenience when need to run somewhere with it, but usually it's a lot slower and...

Anyone familiar with AMD enough to tell me the differences between the below AMD CPU? The most I care is the CPU speed, can anyone give detail explanation and recommendation?

Toshiba laptop: AMD Dual-Core E-300 Accelerated Processor.
http://www.bestbuy.com/site/Toshiba+-+15.6%26%2334%3B+Satellite+Laptop+-+2GB+Memory+-+320GB+Hard+Drive+-+Black/5029063.p?id=1218600485317&skuId=5029063

HP laptop: AMD Dual-Core E-450 Accelerated Processor with AMD Radeon HD 6320
HP - 15.6" Laptop - 4GB Memory - 320GB Hard Drive - Charcoal Gray - 2000-428dx

Samsung laptop: IntelŪ PentiumŪ processor T4500. Not a dual core.
Samsung - Laptop / IntelŪ PentiumŪ Processor / 15.6" Display / 4GB Memory - Black/Silver - NP-RV510-A05US

Dell Desktop: AMD Athlon™ II X2 processor
http://www.bestbuy.com/site/Dell+-+Inspiron+Desktop+-+4GB+Memory+-+500GB+Hard+Drive/4673045.p?id=1218505323144&skuId=4673045

Thanks.