The device market grew 2.8% in 2014 in terms of unit growth, but revenues shrank 1% to $635bn, according to analyst Gartner.
The analyst's Forecast: PCs, Ultramobiles and Mobile Phones, Worldwide, 2012-2019, 1Q15 Update predicted that the mobile phone market is expected to total 1.9 billion units and grow 3.5% in 2015.
Looking at the PC market, Ranjit Atwal, research director at Gartner, said manufacturers were affected by dollar depreciation against local currency.
Atwal predicted that PC manufacturers would increase the prices of their professional PCs to counter the weak dollar and protect their margins.
He said: "The currency squeeze is forcing PC vendors to increase their prices in order to remain profitable and, as result, it is suppressing purchases. We expect businesses will delay purchases of new PCs, and consumers will delay or 'de-feature' their purchases."
Given that most organisation have a fixed budget, the price increases will make an impact on the number of units IT departments purchase. "Corporates will adjust what they can purchase," he said.
Atwal expected 2015 would be a weaker year for PC upgrades on business as organisations get ready for Windows 10. He said: "Anyone buying a PC now will downgrade to Windows 7. But in 2016/17 we expect to see greater uptake of Windows 10."
But in the consumer market, Roberta Cozza, research director at Gartner, said: "Consumers will continue to prioritise spending on phones over PCs and tablets in 2015."
The presence of cheaper smartphones will continue to appeal to consumers, and counter the need to increase prices. Mobile phone pricing has been increasing over the last few years – driven by a rising premium-phone average selling price – but will now remain flat or slightly down as the smartphone market reaches saturation over the next few years.