AMD Ryzen 9 7945HX3D Spotted: 16 Cores, 128MB of 3D V-Cache, and an RTX 4090

AMD plans to expand its notebook portfolio by adding its secret weapon to mobility Ryzen chips: Cache. 3D V-Cache. Following the successful release of the 7800X3D and the 7900X3D/7950X3D, Team Red will launch at least one 3D V-Cache chip for high-end gaming notebooks. A Weibo leak indicates that the Ryzen 9 7945HX3D is being planned in collaboration with ASUS, featuring the full-fledged core and cache configuration.

The Ryzen 9 7945HX3D will be derived from the Ryzen 9 7950X3D, featuring 16 Zen 4 cores and 128MB of L3 cache. One of the CCDs will be a standard Zen 4-class die, while the other will feature an additional 64MB 3D V-Cache die.

An ASUS ROG STRIX SCAR 17 gaming laptop has been spotted sporting the Ryzen 9 7945HX3D. The CPU has a boost clock of 5.4GHz and a TDP of up to 75W. For reference, the 7950X3D clocks as high as 5.7GHz on the vanilla Zen 4 die with a TDP of 120W. The 7945HX3D is paired with a GeForce RTX 4090 and 32GB DDR5 memory. The retailer has listed the flagship gaming notebook for a staggering price of $3,800.

The 14th Gen Meteor Lake will only power the sub-50W H series notebook segment, which means all the HX series parts will be a Raptor Lake rebrand. With its high power consumption and clock throttling, we have already seen Raptor Lake struggle in the mobility segment. A 3D V-Cache part will be an absolute killer from AMD’s side.

Areej Syed

Processors, PC gaming, and the past. I have written about computer hardware for over seven years with over 5000 published articles. I started during engineering college and haven't stopped since. On the side, I play RPGs like Baldur's Gate, Dragon Age, Mass Effect, Divinity, and Fallout. Contact: areejs12@hardwaretimes.com.
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