The report said the price rise will be led by the euro zone and Japan following a steep fall in their currencies against the dollar.
"We are currently seeing a sharp appreciation of the dollar against most other currencies," said Ranjit Atwal, research director at Gartner.
Atwal said personal computers (PC) vendors have little choice but to raise prices to protect profit, while selling to Europe and Japan, where local currencies have fallen by up to 20 per cent since the start of this year.
