Sony has introduced the slim and light Sony VAIO X ultraportable laptop in India. Touted as the world's slimmest and lightest ultraportable laptop, VAIO X weighs merely 655gms and is about half an inch thin. It comes clad in lightly brushed aluminum panel covers isolation keyboard and the palm-rest area.

Equipped with 'Silverthorne' Intel Atom processor, this ultraportable laptop comes with pre-loaded with Windows 7 Professional (32-bit). Sony offers VAIO X in two models VPCX113KG for Rs. 64,990 and VPCX117LG for Rs. 84,990 - both with one year international warranty.

Sony had teased the audiences with VAIO X in IFA 2009 Expo at Berlin, Germany in September but hadn't shared any details about the processor packed inside this ultra-slim laptop. With more details shared now, VAIO X's model VPC113KG will pack 45nm process 1.86GHz Intel Atom Z540 'Silverthorne' processor. On the other hand, the VPC117LG model includes 2GHz Intel Atom Z550 processor. Yes, it is 2GHz Atom chip for ultraportable.

These new Intel Atom Z500 series processors were unveiled earlier in April. Both Intel Atom Z550 and Z540 have 512k cache, 533MHz FSB and have Thermal Design Power rating of 2.4 watts. Boasted as lower power Atom chips, both processors support Intel Virtualization as well as Hyper Threading technology. Apart from that, Sony packs 2GB DDR2 RAM and 64GB SSD in the base model (VPCX113KG) while other model (VPCX117LG) has 128GB SSD storage.