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Price comparison: Every current 4K TV

Believe it or not, there are already more than 20 models of flat-panel LED LCD TVs with 4K resolution for sale in the US. Their prices are still high, but falling very fast. Here's how they stack up in mid-November.

By Oct. 1, 2013


Google Shopper for Android

Even with its minor imperfections, Google Shopper is a powerful app to have for comparison shopping and research, especially during the holidays.

By Nov. 9, 2012

5 stars Editor's rating Nov. 9, 2012

Pricing not available


IBM app marries augmented reality, comparison shopping

Big Blue is testing an app that identifies products on store shelves then lets customers sort them by price -- or lets the retailer steer purchasing with coupons.

By Mar. 4, 2013


Microsoft comparison site pits iPad against Windows tablets

Microsoft has launched a site pitting the specs of its Windows tablets against Apple's iPad.

By Jun. 1, 2013


MWC big phones comparison

Mar. 6, 2012


More iPhone 5 comparison pictures pop up

French Web site Nowhereelse.fr is back with several more comparison shots -- this time of a fully assembled iPhone 5.

By Aug. 31, 2012


Which of these Bluetooth speakerphones sounds the best? (comparison)

Most visor-mount speakerphones improve over your handset's built-in microphone. We put five head-to-head to find out which one sounds the best.

By Jun. 8, 2012


Which electric car is best for you? (comparison)

We put the Nissan Leaf, Ford Focus Electric, and the Mitsubishi i-MIEV side-by-side to see how these everyday EVs stack up.

By Apr. 25, 2012


Readers respond to HP, Apple comparison

Readers respond to a critique of Hewlett-Packard's product innovation. Some of the comments offer a strong counterpoint to arguments put forth in last week's post.

By Jul. 16, 2011


iPhone carrier comparison: AT&T tops in data and browsing

A new study comparing the 3 U.S. iPhone carriers shows that AT&T is tops for data and browsing, more than doubling the download speeds offered by Verizon and Sprint.

By Nov. 18, 2011