Intel Core Ultra 7 255U

The Core Ultra 7 255U is a low-power laptop chip, soldered to the motherboard, so you choose it by choosing the laptop. It keeps the 12-core layout of the Core Ultra 7 155U it replaces: 2 performance cores, 8 efficient cores and 2 low-power efficient cores, 14 threads in total. Intel builds it on the Intel 3 process, with a 2.0 GHz performance-core base clock and up to 5.2 GHz boost. It supports DDR5-6400 or LPDDR5X-8400 memory in two channels, up to 128 GB, plus Thunderbolt 4 and PCIe 4.0.

The 5.2 GHz boost makes the 255U feel quick in single-threaded tasks such as opening apps, browsing and working in office documents. Video calls, streaming and multitasking run smoothly, with the efficient cores handling background work. Because it still has only 2 performance cores, long exports, large code builds and heavy data work take longer than on H-series chips. Laptop makers can run it from about 12 W up to a 57 W burst, so a laptop with better cooling will hold its speed longer.

The integrated Intel Graphics has 4 Xe-cores running at up to 2.1 GHz. It handles 4K video, several external displays and light photo editing, and can run older or lighter games at low settings. It is not the Arc graphics found in the H-series or the Core Ultra 200V chips. The NPU is rated at 12 TOPS, enough for Windows Studio Effects such as background blur, but short of the 40 TOPS needed for Copilot+ PC features.

Against the Core Ultra 7 155U it replaces, the 255U keeps the same core count and moves to the newer Intel 3 process with higher clocks. The Core Ultra 7 265U is the same design with slightly higher clocks. AMD's Ryzen 7 250 gives you 8 full-size cores and 16 threads, which helps in heavy multi-core work, while the Ryzen AI 7 350 adds a Copilot+ class NPU and stronger Radeon graphics. The Core Ultra 7 256V brings Arc graphics, on-package memory and Copilot+ support. The comparison pages below show each spec side by side.

Yes, if you want a responsive, light laptop for office work, school, browsing and travel, and value battery life over heavy multi-core speed. Choose a model with at least 16 GB of dual-channel memory and a good screen, since those matter more day to day than small CPU differences. If you need Copilot+ features, better integrated graphics or more multi-core power for creative work, look at a Core Ultra 200V, Ryzen AI 300 or H-series laptop instead.