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Not just the hardware: How deep is Nvidia's software moat?

The inherent inertia of software ecosystems
The big picture: Starting tomorrow, Nvidia is hosting its GTC developer conference. Once a sideshow for semis, the event has transformed into the center of attention for much of the industry. With Nvidia's rise, many have been asking the extent to which Nvidia's software provides a durable competitive moat for its hardware. As we have been getting a lot of questions about that, we want to lay out our thoughts here.
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AMD RDNA4 graphics cards may only receive a minor bump in ray tracing performance

Rumor mill: Although the last few generations of AMD graphics cards have matched their Nvidia equivalents in rasterization performance and often featured more memory, Team Red has been a step behind in hardware-accelerated ray tracing ever since it debuted in consumer hardware. New information regarding the company's next GPU lineup suggests the situation won't change.
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Nvidia is allegedly punishing customers with shipment delays, former AMD VP labels it a "GPU cartel"

Nvidia has a history of unsavory behavior
A hot potato: Nvidia is experiencing the kind of success most companies could only dream of right now, and it's all thanks to the generative AI boom. But not everyone is praising Jensen Huang and his firm. After a rival chip maker accused it of delaying orders of AI GPUs to customers who are courting other suppliers, a former AMD vice president has called Team Green "the GPU cartel."
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AMD Ryzen CPUs are impacted by all of these serious vulnerabilities

A hot potato: All users with AMD Ryzen processors from the last few years should check and update their motherboard firmware ASAP, especially if they haven't done so since before 2023. AMD has published a detailed chart describing four severe security issues affecting server, desktop, workstation, HEDT, mobile, and embedded Zen CPUs. Recent BIOS updates have addressed most, but not all of the flaws.