Intel's new high-end mobile chip is an impressive game-cruncher, but I don't think proper gaming laptops should worry just yet

Fast, feisty, fabulous. That's how I described the Intel Core Ultra X9 388H in my review, and I stand by it. It's got an Arc B390 iGPU that crushes all the others we've tested for gaming performance, and that's a remarkable technical achievement given the size of the graphics tile relative to the rest of the chip.

But there's a significant caveat hanging over the Intel Arc B390, and it goes like this: it's very, very quick—for an iGPU. Sure, it's capable of delivering gaming laptop-like performance...