The chipmaker’s new flagship processor can match or beat the leading chips from Apple and Qualcomm, MediaTek says. But Qualcomm will have something to say about that quite soon.

MediaTek, the world’s number-one smartphone chipset maker by volume, announced its first true top-of-the-line chip this week at a company event. The Dimensity 9000 is packed with new features, including first-of-its-kind ARM Cortex-X2 cores and three-carrier 5G aggregation.

“We are able to improve performance 35% compared …