AMD Announces Ryzen 9 7945HX3D Mobile CPU: Laptop 3D V-Cache Arrives

Source: AMD AMD Announces Ryzen 9 7945HX3D Mobile CPU: Laptop 3D V-Cache Arrives

AMD has brought 3D V-cache technology to mobile, and they have created a monster.

This morning AMD is announcing the Ryzen 9 7945HX3D, a product they are calling “the new ultimate mobile gaming processor”. It offers a full 16 cores / 32 threads, up to 5.4 GHz boost frequency, and – most importantly – 128 MB of 3D V-cache, which brings the total up to 144 MB.

Ryzen 9 7945HX3D Slide 3

Like its desktop Ryzen 9 counterpart, this X3D mobile processor only offers 3D V-cache on one of the two Zen 4 CCDs, but optimization will not be up to the end-user as this will obviously be coming pre-configured in a gaming laptop.

AMD has given this Ryzen 9 7945HX3D part a “55+W” TDP, but they point out the advantages of 3D V-cache in a reduced power envelope implementation, claiming greater gains at 40W than even 70W (see slide below).

Ryzen 9 7945HX3D Slide 9

All of this adds up to what AMD is calling “the world’s fastest mobile gaming processor”, and the company says it is an average of more than 15% faster than the non-X3D Ryzen 9 7945HX, with some titles being more affected by the large cache than others, naturally.

Ryzen 9 7945HX3D Slide 10

All of this sounds very exciting, but as this is a notebook part we need to wait for partners to launch new products featuring the Ryzen 9 7945HX3D. Thankfully, we have less than a month before ASUS will launch the ROG Strix SCAR 17 X3D (on August 22), which will take an already impressive design to the next level.

Ryzen 9 7945HX3D Slide 11

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Sebastian Peak

Editor-in-Chief at PC Perspective. Writer of computer stuff, vintage PC nerd, and full-time dad. Still in search of the perfect smartphone. In his nonexistent spare time Sebastian's hobbies include hi-fi audio, guitars, and road bikes. Currently investigating time travel.

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