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AMD’s Zen 2 7nm CPU Core to Feature Double the L3 Cache Size

Zen 2, despite its name, is actually going to power the company’s 3rd generation lineup of Ryzen processors.
key enhancements :
Improved Execution Pipeline
Doubled Floating Point (256-bit) and Load/Store (Doubled Bandwidth)
Doubled Core Density
Half the Energy Per Operation
Improved Branch Prediction
Better Instruction Pre-Fetching
Re-Optimized Instruction Cache
Larger Op Cache
Increased Dispatch / Retire Bandwidth
Maintaining High Throughput for All Modes
double the L3 cache

we will likely see AMD debut 8 core mainstream Ryzen 3000 series processors with 32MB of L3 cache. A larger L3 means that the system would have to fetch data from DDR4 memory less often, which translates to faster work completion at less power.


Twice as good (in some ways) as something already competitive ain't bad. Gives Intel something to aim at.

One of Intel's strengths (that is a weakness lately) is that they do their own fabrication in their own plants. They have been having trouble with 10nm -- which is years late versus their original promises and is predicted to be "a fail" monetarily. We'll eventually see how far their own 7nm has gotten. Who knows (besides Intel insiders) if Intel 7nm is as far along as it needs to be to compete next year and the year after (so far, they aren't saying).

As often noted, 7nm and 10nm are not to be taken literally as an exact "size" -- rather, its a shorthand for "performance". 7nm, if properly named, should out perform 10nm.

Attached Files AMD CPU Map.png

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