New Delhi, Oct. 29 -- US President Donald Trump is expected to press Chinese President Xi Jinping over Beijing's restrictions on Nvidia's advanced Blackwell AI chips when the two leaders meet on the sidelines of the Asia-Pacific Economic Cooperation (APEC) summit in Seoul this week.

Speaking to reporters aboard Air Force One en route to Gyeongju, South Korea, Trump praised Nvidia's Blackwell as the "super-duper chip" and said he might speak to Xi about them, without elaborating.

"I think we may be talking about that with President Xi," Trump said, adding he was "very optimistic" about his meeting with Xi, the first since he returned to the White House.

While Trump will skip the main APEC leaders' session, he plans to attend a private d...