The laptop PCMag received for testing is the Asus Zenbook S 14, which sports the Intel Core Ultra 258V, which is an upper-midrange version of the CPU. All Lunar Lake CPUs sport a 4+4 core configuration with four P-cores and four E-cores,

We benchmarked a retail model Asus Zenbook S 14 with Intel's new and true AI-ready Lunar Lake platform and saw standard-setting battery results.

Lunar Lake is Intel’s Snapdragon killer. Intel’s Core Ultra Series 2 (Lunar Lake) was specifically designed to emphasize low power, but with competitive performance. In this it somewhat succeeds, though the Core Ultra 7 258V chip I tested can still run a distant second,

Ultra-thin and light laptops like the Asus Zenbook S 14 live and die by their battery life. No one likes forever hunting for outlets, and that's particularly frustrating with computers designed to be highly mobile;

Astounding battery life and massive leaps forward in CPU and GPU performance prove that Intel is done messing around. Click here for Lunar Lake benchmarks.

We've tested some of the first laptops packing new Intel Lunar Lake chips, and the results are intriguing. Intel's latest laptop CPUs are better than ever, but still can't beat the competition in every regard.