x86 Processors Face Decline While AMD Scores in the Server Arena

The x86 processor market is currently grappling with a noticeable downturn, as recent data from Mercury Research reveals that shipments have decreased by more than six percent in the first quarter of 2026. This downturn in the x86 domain, however, isn't universal. Server CPUs, especially those from AMD, have managed to buck the trend, reflecting an intriguing shift in the processor landscape.

Server CPUs: The Silver Lining

While the x86 processor shipments falter, server CPU sales tell a different story. Mercury Research reports a more than ten percent increase in unit shipments for server chips compared to a year ago, driven by burgeoning demand for AI servers in data centers. AMD has notably capitalized on this upswing. It's seized a third of the server CPU market share, a notable six percentage point rise from the same period last year.

Intel, in contrast, experienced flat server CPU shipments both sequentially and annually. Yet, both companies express optimism for the remainder of the year, particularly in the data center segment. An important caveat lies in AMD's forecast of declining CPU shipments in the latter half of the year due to a looming memory supply crisis.

Client Market Challenges

In the broader x86 processor market, AMD secured nearly a third of shipments, thanks largely to resilience in its console SoC business. On the desktop front, however, the landscape is less rosy. Shipments plummeted nearly 20 percent from a year ago, with AMD unexpectedly underperforming against Intel. This reversal has allowed Intel to gain some ground, holding 66.8 percent of the market, although still down from last year.

In mobile CPUs, the decline was less severe. Shipments dipped only slightly worse than seasonal averages, affecting Intel more heavily, while AMD experienced a rare increase, boosting its share to 28.3 percent. The capacity constraints impacting Intel's laptop CPU supplies likely exacerbated this shift, marking what Mercury suggests might be the nadir for client CPU supply.

ARM on the Rise

Beyond x86, Mercury Research's insights into Arm CPUs reveal growth in both PC and server sectors. Arm-based clients, including Chromebooks and Apple's M-series Macs, have grown to 14.4 percent of the market, rising from 13.9 percent in late 2025. The burgeoning market presence of Arm architectures, driven partly by Nvidia's Grace CPUs, heralds a potential reconfiguration of traditional market dynamics.

The question we must ask is: Can x86 giants like Intel and AMD maintain their dominance in the face of rising Arm architectures? Historical trends suggest that market shifts of this nature can redefine industry standards.

Ultimately, while AMD's gains in server CPUs are commendable, the situation underscores the broader volatility of the processor market. As the year unfolds, how these companies adapt to supply chain constraints and shifting demands will be telling.