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Zen - Microarchitectures - AMD
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General Info
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Zen was the microarchitecture developed by AMD as a successor to Excavator. Zen is set to be released in early-2017. Zen is set to be eventually replaced by Zen+.

Technology

Zen is planned to be manufactured on Global Foundries' 14 nm process. AMD's previous microarchitectures were based on 32 and 28 nanometer processes. The jump to 14 nm is part of AMD attempt to remain competitive against Intel (Both SkyLake and Kaby Lake are also manufactured on 14 nm although by 2017 Intel plans on moving on to Cannonlake and 10 nm process). The move to 14 nm will bring along related benefits of a smaller node such as reduced heat and power consumption for identical designs.

Architecture

AMD Zen is an entirely new design from the ground up which introduces considerable amount of improvements and design changes over Excavator.

Key changes from Excavator

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Memory Hierarchy

  • Cache
    • L1I Cache:
      • 64 KiB 4-way set associative
        • 32 B line size
        • write-back policy
        • shared by the two threads, per core
    • L1D Cache:
      • 32 KiB 8-way set associative
      • 32 B line size
        • write-back policy

Die Shot

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All Zen Chips

Zen Chips
ModelFamilyCoreLaunchedPower DissipationFreqMax Mem
200GEAthlonRaven Ridge6 September 20183,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
220GEAthlonRaven Ridge21 December 20183,400 MHz
3.4 GHz
3,400,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
240GEAthlonRaven Ridge21 December 20183,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
3000GAthlonDali Raven Ridge20 November 20193,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
300UAthlonPicasso6 January 20192,400 MHz
2.4 GHz
2,400,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
3150UAthlon GoldDali6 January 20202,400 MHz
2.4 GHz
2,400,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
PRO 200GEAthlonRaven Ridge6 September 20183,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
3050UAthlon SilverDali6 January 20202,300 MHz
2.3 GHz
2,300,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
7251EPYCNaples20 June 20172,100 MHz
2.1 GHz
2,100,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7261EPYCNaples14 June 20182,500 MHz
2.5 GHz
2,500,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7281EPYCNaples20 June 20172,100 MHz
2.1 GHz
2,100,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7301EPYCNaples20 June 20172,200 MHz
2.2 GHz
2,200,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7351EPYCNaples20 June 20172,400 MHz
2.4 GHz
2,400,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7351PEPYCNaples20 June 20172,400 MHz
2.4 GHz
2,400,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7371EPYCNaples20193,100 MHz
3.1 GHz
3,100,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7401EPYCNaples20 June 20172,000 MHz
2 GHz
2,000,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7401PEPYCNaples20 June 20172,000 MHz
2 GHz
2,000,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7451EPYCNaples20 June 20172,300 MHz
2.3 GHz
2,300,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7501EPYCNaples20 June 20172,000 MHz
2 GHz
2,000,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7551EPYCNaples20 June 20172,000 MHz
2 GHz
2,000,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7551PEPYCNaples20 June 20172,000 MHz
2 GHz
2,000,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
7601EPYCNaples20 June 20172,200 MHz
2.2 GHz
2,200,000 kHz
2,097,152 MiB
2,147,483,648 KiB
2,199,023,255,552 B
2,048 GiB
2 TiB
3101EPYC EmbeddedSnowy Owl21 February 20182,100 MHz
2.1 GHz
2,100,000 kHz
524,288 MiB
536,870,912 KiB
549,755,813,888 B
512 GiB
0.5 TiB
3151EPYC EmbeddedSnowy Owl21 February 20182,700 MHz
2.7 GHz
2,700,000 kHz
524,288 MiB
536,870,912 KiB
549,755,813,888 B
512 GiB
0.5 TiB
3201EPYC EmbeddedSnowy Owl21 February 20181,500 MHz
1.5 GHz
1,500,000 kHz
524,288 MiB
536,870,912 KiB
549,755,813,888 B
512 GiB
0.5 TiB
3251EPYC EmbeddedSnowy Owl21 February 20182,500 MHz
2.5 GHz
2,500,000 kHz
524,288 MiB
536,870,912 KiB
549,755,813,888 B
512 GiB
0.5 TiB
3255EPYC EmbeddedSnowy Owl2,500 MHz
2.5 GHz
2,500,000 kHz
524,288 MiB
536,870,912 KiB
549,755,813,888 B
512 GiB
0.5 TiB
3301EPYC EmbeddedSnowy Owl21 February 20182,000 MHz
2 GHz
2,000,000 kHz
1,048,576 MiB
1,073,741,824 KiB
1,099,511,627,776 B
1,024 GiB
1 TiB
3351EPYC EmbeddedSnowy Owl21 February 20181,900 MHz
1.9 GHz
1,900,000 kHz
1,048,576 MiB
1,073,741,824 KiB
1,099,511,627,776 B
1,024 GiB
1 TiB
3401EPYC EmbeddedSnowy Owl21 February 20181,850 MHz
1.85 GHz
1,850,000 kHz
1,048,576 MiB
1,073,741,824 KiB
1,099,511,627,776 B
1,024 GiB
1 TiB
3451EPYC EmbeddedSnowy Owl21 February 20182,150 MHz
2.15 GHz
2,150,000 kHz
1,048,576 MiB
1,073,741,824 KiB
1,099,511,627,776 B
1,024 GiB
1 TiB
FireFlight3 August 20183,000 MHz
3 GHz
3,000,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
1200Ryzen 3Summit Ridge27 July 20173,100 MHz
3.1 GHz
3,100,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
1300XRyzen 3Summit Ridge27 July 20173,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
2200GRyzen 3Raven Ridge12 February 20183,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
2200GERyzen 3Raven Ridge19 April 20183,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
2200URyzen 3Raven Ridge8 January 20182,500 MHz
2.5 GHz
2,500,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
2300URyzen 3Raven Ridge8 January 20182,000 MHz
2 GHz
2,000,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
3250URyzen 3Dali6 January 20202,600 MHz
2.6 GHz
2,600,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
PRO 1200Ryzen 3Summit Ridge3,100 MHz
3.1 GHz
3,100,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
PRO 1300Ryzen 3Summit Ridge3,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
PRO 2200GRyzen 3Raven Ridge10 May 20183,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
PRO 2200GERyzen 3Raven Ridge10 May 20183,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
PRO 2300URyzen 3Raven Ridge8 January 20182,000 MHz
2 GHz
2,000,000 kHz
32,768 MiB
33,554,432 KiB
34,359,738,368 B
32 GiB
0.0313 TiB
1400Ryzen 5Summit Ridge11 April 20173,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
1500XRyzen 5Summit Ridge11 April 20173,500 MHz
3.5 GHz
3,500,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
1600Ryzen 5Summit Ridge11 April 20173,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
1600XRyzen 5Summit Ridge11 April 20173,600 MHz
3.6 GHz
3,600,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
2400GRyzen 5Raven Ridge12 February 20183,600 MHz
3.6 GHz
3,600,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
2400GERyzen 5Raven Ridge19 April 20183,200 MHz
3.2 GHz
3,200,000 kHz
65,536 MiB
67,108,864 KiB
68,719,476,736 B
64 GiB
0.0625 TiB
Count: 79

See also

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