這兩台的差別在哪??

Lenovo ThinkPad Tablet 2

http://www.amazon.com/Lenovo-ThinkPad-Tablet-10-1-367927U/dp/B009TLA7P4/ref=sr_1_2?ie=UTF8&qid=1367388268&sr=8-2&keywords=ThinkPad+Helix

http://shopping.pchome.com.tw/?mod=item&func=exhibit&IT_NO=DHAH0R-A73463771&SR_NO=DHBB04&ROWNO=2