The mobile i5 chip is, in a word, fast. Made on Intel's cutting-edge 32-nanometer manufacturing process, it handily outperforms the older Core 2 Duo. Tech Web site AnandTech said the i5 processor delivers "the single largest performance improvement we've seen from a new mobile processor in years," and Tom's Hardware said it "boasts the best balance between desktop-class speed and true mobile usability we've ever seen."
Dell: The Dell 15.6-inch Studio (S15Z-3630CPN) offered at Best Buy is a good example. Priced at $1,049, it comes, as many systems do, with the popular Core i5-430M processor (2.53GHz) and an ATI Radeon HD 4570 graphics chip with 512MB dedicated video memory.
Other features for this Dell Studio model include 4GB DDR3 memory, a 500GB Serial ATA hard disk drive (7200 rpm), two built-in 2W speakers, a built-in optical drive, and Microsoft Windows 7 Home Premium Edition 64-bit operating system.
Apple, by comparison, offers a 15-inch aluminum MacBook Pro for a pricey $2,299 that uses the older 2.8GHz Core 2 Duo and comes with specifications that are otherwise pretty similar to the (much) cheaper Dell system.
Hewlett-Packard: A $1,299 15.6-inch HP Envy (considered the company's consumer luxury laptop line) offers similar specifications to the Dell system but with more powerful graphics silicon. In addition to the Core i5-430M, it comes with a more powerful 1GB ATI Mobility Radeon HD 5830 graphics chip, a 320GB disk drive (7,200rpm), and 4GB of DDR3 memory.
Sony: This week, a slim Sony system (VPCS111FM/S) with a 13.3-inch display found a spot on store shelves at Best Buy for the first time. Although it misses the sub-inch-thick cutoff for ultrathins by a few tenths of an inch, it does fall into the thin category (1.2 inches in height) and certainly does qualify as one of the thinnest Core i5 laptops yet--and one of the lightest, at 4.4 pounds.
Other Sony specs include a 500GB hard disk drive (5400RPM), Intel Graphics Media Accelerator HD, 4GB of memory, a built-in optical drive, and Windows 7 Home Premium 64-bit. One thing to note: No ATI or Nvidia graphics here. Ultraportables--the designation that Best Buy gives it--typically don't come with discrete (standalone) graphics cards.
On the upside, Sony offers a two-year limited warranty for the system, a step up from the typical one-year consumer laptop warranties. It's priced at $1,049.
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