Content deleted Content added
No edit summary |
|||
Line 32:
| support status = Supported
}}
'''Zen 3''' is the [[codename]] for a [[CPU]] [[microarchitecture]] by [[AMD]], released on November 5, 2020.<ref name="announce">{{cite AV media |author=AMD |date=October 8, 2020 |title=Where Gaming Begins, AMD Ryzen™ Desktop Processors |url=https://www.youtube.com/watch?v=iuiO6rqYV4o |website=YouTube |language=en-US |access-date=November 13, 2022}}</ref><ref name=extremetech>{{cite news |last=Hruska |first=Joel |date=January 10, 2020 |title=AMD's Lisa Su Confirms Zen 3 Coming in 2020, Talks Challenges in Notebooks|url=https://www.extremetech.com/computing/304541-amds-lisa-su-confirms-zen-3-coming-in-2020-talks-challenges-in-notebooks |work=ExtremeTech |language=en-US |access-date=November 13, 2022}}</ref> It is the successor to [[Zen 2]] and uses [[TSMC]]'s [[7 nm process|7 nm]] process for the chiplets and [[GlobalFoundries]]'s [[14 nm process|14 nm]] process for the I/O die on the server chips and 12 nm for desktop chips.<ref name=anandzen3>{{cite news |last=Cutress |first=Ian |date=October 9, 2020 |title=AMD Ryzen 5000 and Zen 3 on Nov 5th: +19% IPC, Claims Best Gaming CPU |url=https://www.anandtech.com/show/16148/amd-ryzen-5000-and-zen-3-on-nov-5th-19-ipc-claims-best-gaming-cpu |website=AnandTech |language=en-US |access-date=November 13, 2022}}</ref> Zen 3 powers [[Ryzen 5000]] mainstream desktop processors (codenamed "Vermeer") and [[Epyc]] server processors (codenamed "Milan").<ref name=techradar>{{cite news |last=Knapp |first=Mark |last2=Hanson |first2=Matt |date=October 8, 2020 |title=AMD Zen 3 release date, specs and price: everything we know about AMD Ryzen 5000 |url=https://www.techradar.com/news/amd-zen-3 |work=TechRadar |language=en-US |access-date=November 13, 2022}}</ref><ref name=alcorn /> Zen 3 is supported on motherboards with [[List of AMD chipsets#AM4 chipsets|500 series chipsets]]; 400 series boards also saw support on select B450 / X470 motherboards with certain BIOSes.<ref>{{Cite web |last=Hruska |first=Joel |date=May 20, 2020 |title=AMD Will Support Zen 3, Ryzen 4000 CPUs on X470, B450 Motherboards |url=https://www.extremetech.com/computing/310764-amd-will-support-zen-3-ryzen-4000-cpus-on-x470-b450-motherboards |website=ExtremeTech |language=en-US |access-date=May 20, 2020}}</ref> Zen 3 is the last microarchitecture before AMD switched to [[DDR5]] memory and new sockets, which are AM5 for the desktop "Ryzen" chips alongside SP5 and SP6 for the EPYC server platform and sTRX8.<ref name=extremetech /> According to AMD, Zen 3 has a 19% higher [[instructions per cycle]] (IPC) on average than [[Zen 2]].
On April 1, 2022, AMD released the new Ryzen 6000 series for the laptop, using an improved [[#Zen 3+|Zen 3+]] architecture.<ref name="auto1">{{cite press release |title=AMD Unveils New Ryzen Mobile Processors Uniting "Zen 3+" core with AMD RDNA 2 Graphics in Powerhouse Design |url=https://www.amd.com/en/press-releases/2022-01-04-amd-unveils-new-ryzen-mobile-processors-uniting-zen-3-core-amd-rdna-2 |website=AMD |language=en-US |location=Santa Clara, CA |date=January 4, 2022 |access-date=May 27, 2022}}</ref> On April 20, 2022, AMD also released the Ryzen 7 5800X3D desktop processor, which increases the single threading performance by another 15% in gaming by using, for the first time in a PC product, 3D vertically stacked L3 cache.<ref name="auto">{{cite press release |title=AMD Launches the Ultimate Gaming Processor, Brings Enthusiast Performance to an Expanded Lineup of Ryzen Desktop Processors |url=https://ir.amd.com/news-events/press-releases/detail/1053/amd-launches-the-ultimate-gaming-processor-brings |website=AMD |language=en-US |location=Santa Clara, CA |date=March 15, 2021 |access-date=November 13, 2022}}</ref>
Line 43:
Zen 3 (along with AMD's [[RDNA2]] GPUs) also implemented Resizable [[Base Address Register|BAR]], an optional feature introduced in PCIe{{nbsp}}2.0, that was branded as ''Smart Access Memory'' (SAM). This technology allows CPU to directly access all of compatible video card's [[VRAM]].<ref>{{Cite web |last=Alcorn |first=Paul |date=November 6, 2020 |title=AMD Zen 3 Ryzen 5000 Price, Specs, Release Date, Performance, All We Know |url=https://www.tomshardware.com/news/amd-zen-3-ryzen-5000-release-date-specifications-pricing-benchmarks-all-we-know |website=Tom's Hardware |language=en-US |access-date=November 8, 2020}}</ref> Intel and Nvidia have since implemented this feature as well.<ref>{{Cite web |title=GeForce RTX 30 Series Performance Accelerates With Resizable BAR Support {{!}} GeForce News |url=https://www.nvidia.com/en-us/geforce/news/geforce-rtx-30-series-resizable-bar-support/|website=NVIDIA |language=en-US |access-date=August 13, 2021}}</ref>
<gallery mode="packed" heights="
File:AMD@7nm(12nmIOD)@Zen3@Vermeer@Ryzen 5 5600X@100-000000064 BG 2042SUS 9JF6228V00014 DSCx2.jpg|A de-lidded Ryzen 5 5600X. Only one 6-core CCD is present. The contacts for a second CCD are visible.
File:AMD@7nm(12nmIOD)@Zen3@Vermeer@Ryzen 5 5600X@100-000000064 BG 2042SUS 9JF6228V00014 DSCx4@IR.jpg|Close-up of the CCD, taken under infrared lighting. This die was damaged by the de-lidding process.
File:AMD@7nm(12nmIOD)@Zen3@Vermeer@Ryzen 5 5600X@100-000000064 BG 2042SUS 9JF6228V00014 DSCx3@IR.jpg|Close-up of the I/O die
| |||