TECH TALK
Infinity Cache Changes The VRAM Paradigm
IF YOU CHECK OUT OUR DEEP DIVE into AMD’s Zen 3 architecture, it’s clear AMD has a new-found love for cache. Reworking the L3 cache on Zen 3 appears to be paying dividends when it comes to CPU performance, but AMD is going a step further with Big Navi, adding what it calls the Infinity Cache, with 128MB of basically L3 cache to reduce bandwidth contention.
Jarred Walton
Officially, the chip is Navi 21 and will show up in Radeon RX 6900 XT, 6800 XT, and 6800 GPUs. But taking a cue from the enthusiast community, AMD has adopted the name Big Navi. And it really is big.