What’s the Deal, PC? Tablets Got Your Sales?

IDC and Gartner have released their quarterly trackers of PC shipments worldwide and in the U.S., and while both are mostly negative, there are some discrepancies between the two firms.

According to IDC, global PC shipments declined 13.9 percent year-on-year to 76.3 million units in the first quarter of 2013, nearly doubling the firms predicted decline. The deep slide is the worst recorded since the firm began tracking shipments in 1994.

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The overall numbers for the U.S. were similar to the global figure, as total shipments dropped 12.7 percent year-on-year, making for an 18.3 percent drop quarter-on-quarter. For most of the last 10 quarters, PC shipments have been declining year-on-year.

Apple (NASDAQ:AAPL) managed to avoid some of the decline, as IDC showed the company’s U.S. shipments only dropping 7.5 percent, which allowed it to actually boost its market share from 9.4 percent to 10 percent. Apple remained in third place for U.S. PC vendors with 1.42 million units shipped…