Intel (INTC) may have jumped over Wall Street's low bar in the second quarter , but the embattled chipmaker's results further highlight rival Nvidia (NVDA) as the semiconductor firm to beat in the nascent race to dominate artificial intelligence. The biggest takeaway — or " read-through," in Wall Street parlance — from Intel's results is that data-center customers have recently emphasized spending on AI projects, leading to softer demand for the company's bread and butter: traditional server chips, known as central processing units (CPUs). The shift is boosting demand for graphics processing units (GPUs), a type of high-powered chip that…