SANTA CLARA, Calif. — As artificial intelligence infrastructure spending surges into 2026, the rivalry between NVIDIA Corp. and Advanced Micro Devices Inc. intensifies, with NVIDIA maintaining overwhelming dominance in AI accelerators while AMD gains ground through aggressive product launches and cost-effective alternatives.

NVIDIA reported fiscal 2026 revenue of $215.9 billion, up 65% year-over-year, with its Data Center segment alone generating $193.7 billion — roughly 90% of total revenue and more than 11 times AMD's entire Data Center business. Analysts estimate NVIDIA holds 80-92% market share in AI data center GPUs, driven by the CUDA software ecosystem that has become the de facto standard for training large models.

AMD, meanwhile, posted full-year 2025 Data Center revenue of $16.64 billion, up 32%, and expects continued strong growth in 2026 fueled by its Instinct MI300 and upcoming MI400 series. CEO Lisa Su has targeted double-digit market share gains and data center revenue scaling to tens of billions annually by 2027, with some projections calling for over 70% growth in AMD's AI-related sales this year.

The battle centers on next-generation architectures. NVIDIA's Blackwell platform, including the B200 and Ultra variants, continues to ramp rapidly, powering hyperscaler deployments at Meta, Microsoft and others. The company's upcoming Vera Rubin architecture, slated for late 2026, promises further leaps in performance and efficiency.

AMD counters with the MI350 series already challenging Blackwell in certain inference workloads and the MI400 family expected in 2026, featuring up to 432GB of HBM4 memory and advanced chiplet designs optimized for cost-efficient, large-scale inference. AMD has secured notable design wins, including multi-year commitments from OpenAI and engagements with xAI, positioning it as the leading........

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