AMD Radeon RX 6800 XT! Can a 256 bit bus and Infinity Cache beat a 320 bit bus?

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Australia Humble Hardware with JimRPG
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Published on ● Video Link: https://www.youtube.com/watch?v=gA8HQWryfBs


Duration: 11:20
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AMD is touting 3x the effective bandwidth with a 256 bit bus and Infinity Cache vs without. I was curious to find out how Infinity Cache works, and whether it could really provide that much memory bandwidth and turn that into gaming performance.

Chapters
0:00 Intro and Recap of RX 6000 Announcement
2:27 RX 6800 XT Specs
3:31 AMD Infinity Cache Information
4:43 Analysing AMD's Performance Charts
5:30 4k vs 1440p Performance Charts
7:16 Anandtech's thoughts on the Infinity Cache.
8:54 Why did AMD use a 256 bit bus? My Thoughts.

Sources

AMD Radeon 6000 Announcement
https://youtu.be/oHpgu-cTjyM

AMD Radeon 6000 Video 2 - The Ultimate Gaming Platform with AMD Ryzen™ & AMD Radeon™
https://youtu.be/8KAnebwCAaA

Anandtech
https://www.anandtech.com/show/16202/amd-reveals-the-radeon-rx-6000-series-rdna2-starts-at-the-highend-coming-november-18th

AMD Radeon 6000 Infinity Cache Info
https://www.amd.com/en/technologies/rdna-2

AMD RDNA 1.0 Whitepaper
https://www.amd.com/system/files/documents/rdna-whitepaper.pdf

Nvidia Ampere Whitepaper
https://www.nvidia.com/content/dam/en-zz/Solutions/geforce/ampere/pdf/NVIDIA-ampere-GA102-GPU-Architecture-Whitepaper-V1.pdf



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Tags:
AMD
RX 6800 XT
Radeon 6000
RX 6800
RX 6900 XT
Nvidia RTX 3080
RTX 3080
RDNA 2.0
RDNA 2
Infinity Cache