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|core names=Yes
 
|core names=Yes
 
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'''Zen''' ('''family 17h''') is the [[microarchitecture]] developed by [[AMD]] as a successor to both {{\\|Excavator}} and {{\\|Puma}}. Zen is an entirely new design, built from the ground up for optimal balance of performance and power capable of covering the entire computing spectrum from fanless notebooks to high-performance desktop computers. Zen was officially launched on March 2, [[2017]]. Zen was replaced by {{\\|Zen+}} in [[2018]].
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'''Zen''' ('''family 17h''') is the [[microarchitecture]] developed by [[AMD]] as a successor to both {{\\|Excavator}} and {{\\|Puma}}. Zen is an entirely new design, built from the ground up for optimal balance of performance and power capable of covering the entire computing spectrum from fanless notebooks to high-performance desktop computers. Zen was officially launched on March 2, [[2017]]. Zen is set to be gradually replaced by {{\\|Zen+}}.
  
For performance desktop and mobile computing, Zen is branded as {{amd|Athlon}}, {{amd|Ryzen 3}}, {{amd|Ryzen 5}}, {{amd|Ryzen 7}}, {{amd|Ryzen 9}} and {{amd|Ryzen Threadripper}} processors. For servers, Zen is branded as {{amd|EPYC}}.
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For performance desktop and mobile computing, Zen is branded as {{amd|Ryzen 3}}, {{amd|Ryzen 5}}, {{amd|Ryzen 7}}, {{amd|Ryzen 9}} and {{amd|Ryzen Threadripper}} processors. For servers, Zen is branded as {{amd|EPYC}}.
  
 
== Etymology ==
 
== Etymology ==
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|-
 
|-
 
| {{amd|Raven Ridge|l=core}} || Up to 4/8 || Mobile processors with {{\\|Vega}} GPU
 
| {{amd|Raven Ridge|l=core}} || Up to 4/8 || Mobile processors with {{\\|Vega}} GPU
|-
 
| Dali || Up to 2/4 || Budget mobile processors with {{\\|Vega}} GPU
 
 
|-
 
|-
 
| {{amd|Snowy Owl|l=core}} || Up to 16/32 || Embedded edge processors
 
| {{amd|Snowy Owl|l=core}} || Up to 16/32 || Embedded edge processors
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| desc 2    = '''Market segment'''<br><table><tr><td style="width: 50px;">'''3'''</td><td>Low-end performance</td></tr><tr><td>'''5'''</td><td>Mid-range performance</td></tr><tr><td>'''7'''</td><td>Enthusiast / High-end performance</td></tr><tr><td>'''9'''</td><td>High-end performance / Workstation</td></tr><tr><td>'''Threadripper'''</td><td>High-end performance / Workstation</td></tr></table>
 
| desc 2    = '''Market segment'''<br><table><tr><td style="width: 50px;">'''3'''</td><td>Low-end performance</td></tr><tr><td>'''5'''</td><td>Mid-range performance</td></tr><tr><td>'''7'''</td><td>Enthusiast / High-end performance</td></tr><tr><td>'''9'''</td><td>High-end performance / Workstation</td></tr><tr><td>'''Threadripper'''</td><td>High-end performance / Workstation</td></tr></table>
 
| desc 3    =  
 
| desc 3    =  
| desc 4    = '''Generation'''<br><table><tr><td style="width: 50px;">'''1'''</td><td>First generation Zen (2017)</td></tr><tr><td style="width: 50px;">'''2'''</td><td>First generation Zen for Mobile and Desktop APUs (2017); First generation Zen with enhanced node (Zen+)(2018)</td></tr><tr><td style="width: 50px;">'''3'''</td><td>First generation Zen with enhanced node (Zen+) for Mobile and Desktop APUs (2019); Second generation Zen (Zen 2)(2019)</td></tr><tr><td style="width: 50px;">'''4'''</td><td>Second generation Zen (Zen 2) for Mobile and Desktop APUs (2020)</td></tr><tr><td style="width: 50px;">'''5'''</td><td>Third generation Zen (Zen 3)(2020)</td></tr></table>
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| desc 4    = '''Generation'''<br><table><tr><td style="width: 50px;">'''1'''</td><td>First generation Zen (2017)</td></tr><tr><td style="width: 50px;">'''2'''</td><td>First generation Zen (2017) for Mobile APUs; First generation Zen with enhanced node (2018)</td></tr><tr><td style="width: 50px;">'''3'''</td><td>First generation Zen with enhanced node(2018) for Mobile APUs; Second generation Zen (Zen2)(2019)</td></tr><tr><td style="width: 50px;">'''4'''</td><td>Third generation Zen (Zen3)(2020)</td></tr></table>
 
| desc 5    = '''Performance Level'''<br><table><tr><td style="width: 50px;">'''9'''</td><td>Extreme (Ryzen Threadripper & Ryzen 9)</td></tr><tr><td>'''8'''</td><td>Highest (Ryzen 7)</td></tr><tr><td>'''6-7'''</td><td>High (Ryzen 5 & 7)</td></tr><tr><td>'''4-5'''</td><td>Mid (Ryzen 5)</td></tr><tr><td>'''1-3'''</td><td>Low (Ryzen 3)</td></tr></table>
 
| desc 5    = '''Performance Level'''<br><table><tr><td style="width: 50px;">'''9'''</td><td>Extreme (Ryzen Threadripper & Ryzen 9)</td></tr><tr><td>'''8'''</td><td>Highest (Ryzen 7)</td></tr><tr><td>'''6-7'''</td><td>High (Ryzen 5 & 7)</td></tr><tr><td>'''4-5'''</td><td>Mid (Ryzen 5)</td></tr><tr><td>'''1-3'''</td><td>Low (Ryzen 3)</td></tr></table>
 
| desc 6    = '''Model Number'''<br>Speed bump and/or differentiator for high core count chips (8 cores+).
 
| desc 6    = '''Model Number'''<br>Speed bump and/or differentiator for high core count chips (8 cores+).
| desc 7    = '''Power Segment'''<br><table><tr><td style="width: 50px;">'''(none)'''</td><td>Standard Desktop</td></tr><tr><td>'''U'''</td><td>Standard Mobile</td></tr><tr><td>'''X'''</td><td>High Performance, with XFR</td></tr><tr><td style="width: 50px;">'''WX'''</td><td>High Core Count Workstation</td></tr><tr><td>'''G'''</td><td>Desktop + [[IGP]]</td></tr><tr><td>'''E'''</td><td>Low-power Desktop</td></tr><tr><td>'''GE'''</td><td>Low-power Desktop + [[IGP]]</td></tr><tr><td>'''M'''</td><td>Low-power Mobile</td></tr><tr><td>'''H'''</td><td>High-performance Mobile</td></tr><tr><td>'''S'''</td><td>Slim Mobile</td></tr><tr><td>'''HS'''</td><td>High-Performance Slim Mobile</td></tr><tr><td>'''XT'''</td><td>Extreme</td></tr></table>
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| desc 7    = '''Power Segment'''<br><table><tr><td style="width: 50px;">'''(none)'''</td><td>Standard Desktop</td></tr><tr><td>'''U'''</td><td>Standard Mobile</td></tr><tr><td>'''X'''</td><td>High Performance, with XFR</td></tr><tr><td style="width: 50px;">'''WX'''</td><td>High Core Count Workstation</td></tr><tr><td>'''G'''</td><td>Desktop + [[IGP]]</td></tr><tr><td>'''E'''</td><td>Low-power Desktop</td></tr><tr><td>'''GE'''</td><td>Low-power Desktop + [[IGP]]</td></tr><tr><td>'''M'''</td><td>Low-power Mobile</td></tr><tr><td>'''H'''</td><td>High-performance Mobile</td></tr><tr><td>'''S'''</td><td>Slim Mobile</td></tr><tr><td>'''HS'''</td><td>High-Performance Slim Mobile</td></tr></table>
 
}}
 
}}
  
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{{comp table end}}
 
{{comp table end}}
  
== Designers ==
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== References ==
* Mike Clark, chief architect
 
 
 
== Bibliography ==
 
 
* IEEE Hot Chips 28 Symposium (HCS) 2016
 
* IEEE Hot Chips 28 Symposium (HCS) 2016
 
* AMD x86 Memory Encryption Technologies, Linux Security Summit 2016, David Kaplan, Security Architect, August 25, 2016
 
* AMD x86 Memory Encryption Technologies, Linux Security Summit 2016, David Kaplan, Security Architect, August 25, 2016

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codenameZen +
core count4 +, 6 +, 8 +, 16 +, 24 +, 32 + and 12 +
designerAMD +
first launchedMarch 2, 2017 +
full page nameamd/microarchitectures/zen +
instance ofmicroarchitecture +
instruction set architecturex86-64 +
manufacturerGlobalFoundries +
microarchitecture typeCPU +
nameZen +
pipeline stages19 +
process14 nm (0.014 μm, 1.4e-5 mm) +