AMD Ryzen 9 7945HX3D Is the First 3D V-Cache CPU for Laptops | Tom's Hardware

Updated 4 months ago

AMD

Ryzen 9 7945HX3D

Name: Ryzen 9 7945HX3D
Brand: AMD
SKU: amd_ryzen_9_7945hx3d

Mobile Ryzen processor with 3D V-Cache designed for flagship gaming laptops. It delivers unusually strong gaming performance for a notebook CPU.

$2,599.99

CategoryComputer Processors

Product Highlights

The most important capabilities and tradeoffs at a glance.

Built for Flagship Gaming Laptops

This mobile Ryzen processor is designed for high-end gaming notebooks and uses AMD 3D V-Cache technology.

16-Core, 32-Thread Processing

With 16 cores and 32 threads, the Ryzen 9 7945HX3D supports demanding multitasking and processor-heavy workloads.

Modern Platform Support

DDR5-5200 memory support, PCIe 5.0, integrated graphics, and Zen 4 architecture provide a current-generation mobile CPU foundation.

The AMD Ryzen 9 7945HX3D is a Zen 4 mobile processor for flagship gaming laptops, featuring 16 cores, 32 threads, 3D V-Cache, up to 5.4 GHz boost speed, DDR5-5200 support, PCIe 5.0, integrated graphics, and a 55 W TDP.

Media Reviews

Independent perspectives and scores from published reviews.

Digital Trends

AMD's new laptop CPU is the fastest I've seen, but you shouldn't buy it yet - Digital Trends

The reviewer calls the processor the fastest mobile CPU they have tested, confirming its gaming benefits due to 3D V-Cache, but advises against purchasing it in the current Asus ROG Strix Scar 17 configuration due to the high price premium and negligible performance gains in many scenarios compared to the standard 7945HX.

Jacob Roach

Notebookcheck

AMD Ryzen 9 7945HX3D Zen4 analysis: The fastest mobile gaming processor thanks to 3D V-Cache

The review identifies the processor as the fastest mobile gaming chip thanks to its 3D V-Cache technology. It highlights excellent efficiency compared to Intel competitors, though notes that the cooling implementation in the tested laptop may limit its performance against the regular 7945HX in certain multi-core tasks.

Notebookcheck Staff

YouTube

The World's Fastest Gaming Laptop! // AMD Ryzen 9 7945HX3D

The reviewer labels it the fastest mobile CPU for gaming, noting that while it doesn't provide faster performance in every task, it significantly outperforms competitors and the non-3D version in specific CPU-intensive games and productivity workloads, all while maintaining competitive temperatures.

Jarrod'sTech

Guru3D

AMD Ryzen 9 7945HX3D processor review

The review calls the processor a performance behemoth for both gaming and creative tasks, highlighting its effective 3D V-Cache and desktop-comparable core performance. However, it notes drawbacks like high pricing, device heat, and fan noise in the tested laptop implementation.

Guru3D Staff

Video Analysis

Product walkthroughs, comparisons, and long-form video reviews.