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AMD Ryzen 9 7945HX3D Spotted: 3D V-Cache Paired with the RTX 4090 in Gaming Notebooks

AMD’s 3D V-Cache is headed to notebooks later this year, bringing no-compromise gaming performance for the fastest mobility GPUs. We know of at least one mobile V-Cache processor, the Ryzen 9 7945HX3D, currently being prepped for ASUS’s upcoming ROG Strix Scar 17. Featuring 16 Zen 4 cores and 128MB of L3 cache, this chip will be paired with NVIDIA’s GeForce RTX 4090 mobile and a potent thermal solution. The configuration will be exclusive to ASUS ROG notebooks at launch.

A couple of Geekbench benchmarks confirm the existence of the Ryzen 9 7945HX3D. It is a chiplet-based design with 16 cores, a base clock 2.30GHz, and a peak frequency of 5.3 to 5.4GHz. One of the compute dies features the standard 32MB of L3 cache, while the other consists of the 64MB 3D stacked cache die for a total of 96MB.

The Ryzen 9 7945HX3D has 32GB of quad-channel DDR5-4800 memory and a GeForce RTX 4090 mobile. In the Geekbench tests, it scores roughly the same as the 7945HX, which isn’t surprising since V-Cache has limited use-case scenarios, most notably gaming. Geekbench isn’t a good indicator of gaming performance and often tends to assign excessive importance to the memory sub-system.

Areej Syed

Processors, PC gaming, and the past. I have been writing about computer hardware for over seven years with more than 5000 published articles. Started off during engineering college and haven't stopped since. Mass Effect, Dragon Age, Divinity, Torment, Baldur's Gate and so much more... Contact: areejs12@hardwaretimes.com.
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