Key Takeaways NVIDIA's data center revenues surged 56% to $41.1B in Q2 FY2026, underscoring its AI strength.AMD's Instinct GPUs and new OpenAI, Oracle deals highlight its growing AI infrastructure role.NVIDIA's faster growth and lower valuation make it the stronger AI hardware investment right now.NVIDIA Corporation (NVDA) and Advanced Micro Devices, Inc. (AMD) sit at the center of the artificial intelligence (AI) hardware revolution. Both are crucial players in the semiconductor space, competing directly i ...