AMD swoops in to help as John Carmack slams Nvidia’s $4,000 DGX Spark, says it doesn’t hit performance claims, overheats, and maxes out at 100W power draw — developer forums inundated with crashing and shutdown reports

Nvidia’s DGX Spark, the company’s new $4,000 mini PC platform powered by the Grace Blackwell GB10 superchip, is under fire after John Carmack, the former CTO of Oculus VR, began raising questions about real-world performance and power draw. His comments were enough to draw tech support from Framework and even AMD, with the offer of an AMD-driven Strix Halo-powered alternative.

In a post on X, Carmack said that the DGX Spark appears to max out at 100 watts of power draw, which is less than half of…