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The Core Ultra 9 275HX carries eight performance cores and sixteen efficient cores, 24 in total, with a peak of 5.4GHz and 36MB of L3 cache. Arrow Lake dropped simultaneous multithreading, so those 24 cores present as 24 threads rather than 48. Base power is 55W and the chip will pull up to 160W in turbo before the graphics card has asked for anything.
MSI's 2026 range answers that demand at several levels. The Raider 16 and Raider 16 Max are quoted at up to 300W of combined processor and graphics power; Vector and Crosshair models sit below that; the Stealth line trades sustained wattage for a thinner body. Picking between them is a question about how long the machine must hold its peak, not about which badge is on the processor.
