AMD is trying to make a dent in the AI graphics card market, but will it be able to eat into Nvidia's market share?The market for artificial intelligence (AI) accelerators is currently dominated by Nvidia (NVDA -4.69%), which has built a technology lead over rivals and controls an estimated 85%-plus share of this space.However, fellow chipmakers, such as Advanced Micro Devices (AMD -5.22%) and Intel, are also trying to corner a piece of this lucrative market. AMD recently unveiled a new AI chip -- the Insti ...