NVIDIA's foray into the realm of personal desktop AI supercomputers with its DGX Spark, boasting a price tag of $4,000, has drawn sharp criticism from tech luminary John Carmack. Carmack has raised eyebrows by asserting that, despite being marketed with a stated power consumption of 240W, the device's actual peak power draw is a mere 100W. Moreover, he contends that its performance lags significantly behind theoretical benchmarks. Adding to the concerns, the device is reported to be prone to frequent restarts when subjected to high temperatures.

Independent tests carried out by ServeTheHome corroborate these claims, revealing that the DGX Spark's power consumption consistently falls short of the official upper limit. Furthermore, its performance fails to live up to the lofty expectations set by NVIDIA. As of now, NVIDIA has remained silent in the face of these allegations, leaving the tech community awaiting a response.