NVDA vs AMD — which stock performed better?

Nvidia (NVDA) versus AMD (AMD), Information Technology, on 2026-10-14.

Result

Nvidia (NVDA) performed better on 2026-10-14. NVDA moved -1.030%, AMD moved -3.180%.

Why these two companies

Nvidia and AMD both fell again in premarket trading on Tuesday, October 13, 2026, as a broad semiconductor selloff deepened on worries that AI spending has outrun fundamentals and that Chinese rivals like Huawei are gaining ground. The two chipmakers sit on opposite sides of the same AI buildout story -- Nvidia the dominant data-center GPU supplier, AMD its fastest-growing challenger -- making this the most direct head-to-head available as the group heads toward its worst losing streak in 16 months. With neither company reporting earnings for weeks, the matchup turns on how investors weigh Tuesday's valuation jitters against each company's underlying AI growth story.

The research

Nvidia and AMD compete at the center of the artificial-intelligence infrastructure buildout, but from different starting points. Nvidia controls the large majority of the market for data-center GPUs used to train and run AI models, a position built over a decade of CUDA software lock-in and repeated generational leaps in chip performance. AMD is the most credible challenger, having used its Instinct MI-series accelerators and EPYC server CPUs to win a growing slice of hyperscaler budgets even as it remains a clear second in AI silicon market share. Both companies also compete indirectly with custom chips built in-house by cloud giants, and with memory and networking suppliers whose fortunes rise and fall with the same AI capex cycle.

The immediate catalyst for pairing them is a global chip selloff that intensified on October 13, 2026, with semiconductor benchmarks in the US and South Korea both falling sharply on concerns that AI infrastructure spending has become overheated. Nvidia shares have also been pressured by a separate storyline: data showing its share of China's data-center AI chip market has fallen to roughly a third as US export restrictions open the door for Huawei and other domestic suppliers. AMD, which has less direct China AI chip exposure, has instead been swept up in the broader risk-off move affecting anything tied to AI hardware spending, alongside peers like Micron and Marvell.