AMD has grabbed share away from Intel Corp INTC.O, which still remains the largest player in the market for what are known as x86 processors, which work with popular operating systems like Microsoft Corp's MSFT.O Windows. In the fourth quarter, Intel had 68.7% market share for x86 processors versus AMD's 31.3%, which was up from 28.5% a year earlier, according to Mercury Research. After snapping up PCs and laptops for working from home during the pandemic, consumers and businesses have slowed their purchases amid rising inflation and economic uncertainty.