Technology glossary

Intel Core Ultra 9 285HX

Intel’s 24-core HX processor from the Arrow Lake generation for top-end gaming and workstation laptops.

Intel lists a Q1 2025 launch on the TSMC N3B process. It has 8 performance (P) and 16 efficient (E) cores for 24 threads. P-cores reach 5.5 GHz and E-cores 4.6 GHz, with 36 MB of Intel Smart Cache.

Base power is 55 W and maximum turbo power 160 W; laptop makers can set different limits to suit their cooling. It supports DDR5-6400 memory, up to 24 lanes of PCIe 5.0/4.0, Thunderbolt 4, integrated Intel Graphics with 4 Xe-cores and a 13 TOPS Intel AI Boost NPU. It differs from the Core Ultra 9 275HX by a 100 MHz higher maximum P-core clock.

Devices using this technology

Laptops · 2025

MSI Titan 18 HX AI A2XWJG-070

The Titan 18 HX AI is MSI's top-end 18-inch desktop-replacement laptop. This configuration has a Core Ultra 9 285HX, a 24 GB RTX 5090 Laptop GPU running at up to 175 W, 96 GB of DDR5 and three SSDs totalling 6 TB. It adds a 4K-class Mini LED screen, a Cherry MX mechanical keyboard and two Thunderbolt 5 ports. Reviews find sustained performance very high but heat and fan noise noticeable in the fastest modes; at 3.6 kg it is built for power rather than portability.

Sources

  1. Intel: Intel Core Ultra 9 Processor 285HX specifications