AMD has achieved a historic milestone in the server market. According to Mercury Research, EPYC CPUs captured 46.2% of total server CPU spending in Q1 2026—an all-time high for the company's data center business. This near-majority revenue share comes despite AMD shipping only 27.4% of the units, demonstrating that EPYC processors command significantly higher prices than competing offerings.

Intel still dominates in unit volume with 54.9% of server CPUs shipped, though that's down 3.4 percentage points from Q4 2025. The revenue-to-unit disparity reveals AMD's success in selling higher-end chips at premium prices while Intel focuses on volume. Arm-based designs also made gains, representing 17.7% of unit shipments as cloud providers increasingly deploy custom silicon from Ampere and others.

The agentic AI boom is fueling this demand, fundamentally changing how CPUs and GPUs are deployed. Traditional setups paired one CPU with four or even eight GPUs, but new AI workloads now use a one-to-one ratio, dramatically increasing CPU requirements. AMD is selling every EPYC chip it produces, while Intel is even moving defective dies from wafer edges to eager customers.