AMD has quietly passed a major milestone: its share of the x86 CPU market has climbed past 30%, according to Mercury Research — while Intel’s slice has slipped to 69.7%. That’s a dramatic shift from two years ago, when AMD held just 21.1% of the x86 market, and it puts Intel at its smallest x86 share since 1995. Mercury Research president Dean McCarron is careful to define the metric: “Client share is just the combined desktop and mobile CPUs and nothing else.” The firm also highlights the growing footprint of Arm-based chips in PCs, noting that Arm-inclusive PC client CPU share hit a record 15.3% in Q2 2026 — led by Apple, Qualcomm, and MediaTek. But market-share gains don’t automatically translate into bigger stock moves. AMD’s recent stock rally has been driven far more by its push into AI compute and data-center chips than by gains in the traditional x86 PC market. Mercury’s report points out that desktop CPU demand is weakening: “We believe that higher PC prices and limited GPU supplies are having a significant impact on end demand for desktop PCs, and thus desktop CPUs.” Short-term market signals have reflected that divergence. On August 24, 2026 AMD shares closed down 3.49% (16.51 points) and then recovered about 2% (9.15 points) in after-hours trading. What this means for investors — including crypto-focused traders — is nuanced. AMD’s climb in x86 share underscores competitive strength in client CPUs, but the more consequential driver of valuation today remains AI and data-center growth. For the crypto space, that’s doubly relevant: GPU supply dynamics affect both PC demand and the hardware available to miners and AI labs, while the rise of specialized AI accelerators (and Arm-based clients) could reshape hardware demand curves going forward. Bottom line: AMD’s market-share milestone is notable and signals long-term momentum in client processors, but Wall Street’s excitement — and near-term stock performance — is hinging on AMD’s success in AI chips and data-center expansion rather than pure x86 share gains. Read more AI-generated news on: undefined/news