Socket AM5 explained

Socket AM5 (LGA 1718) is a zero insertion force flip-chip land grid array (LGA)[1] CPU socket designed by AMD that is used for AMD Ryzen microprocessors starting with the Zen 4 microarchitecture.[2] [3] AM5 was launched in September 2022 and is the successor to AM4.[4]

The Ryzen 7000 series processors were the first AM5 processors. The 7000 series added support for PCI Express 5.0 and DDR5.[5]

Background

In March 2017, with the launch of its new Zen processors, AMD used the AM4 socket that they had previously used with their Bristol Ridge (derived from Excavator) powered Athlon X4 and some A-Series, a pin grid array (PGA) socket that they promised to support until 2020.[6]

Announcement

At CES 2022, AMD CEO Lisa Su unveiled the AM5 socket and the integrated heat spreader design for the upcoming Ryzen 7000 processors due in late 2022.

On May 23, 2022, AMD provided details about the AM5 socket, its corresponding motherboards, and Ryzen 7000 Series CPUs at Computex in Taipei, Taiwan.[7] At Computex, motherboard vendors ASRock, Gigabyte and others debuted their new X670 motherboards featuring the AM5 socket.[8] [9]

AMD stated that it plans to support the AM5 socket for a number of years as it did with the AM4 socket.[10] During the Ryzen 7000 series reveal on August 29, 2022, AMD confirmed that it would support the AM5 socket until at least 2025.[11] At Computex 2024, AMD announced that this support period would then be extended through 2027.[12]

Features

Heatsink

The AM5 socket specifies the 4 holes for fastening the heatsink to the motherboard to be placed in the corners of a rectangle with a lateral length of 54×90 mm, as well as UNC #6-32 screw threads for the backplate, identical to those of the preceding AM4 socket. Furthermore, the Z-height of the CPU package is kept the same as that of AM4, for backward compatibility of heatsinks.[16]

Unlike AM4, the backplate on AM5 is not removable, as it also serves the purpose of securing the CPU retention mechanism for the LGA socket.[17]

Not all existing CPU coolers from AM4 are compatible. In particular, coolers that use their own backplate mounting hardware, instead of the default motherboard-provided backplate, will not work. Some cooler manufacturers are offering upgrade kits to allow incompatible older coolers to be used on AM5.[18] [19]

See also

Notes and References

  1. Web site: Ridley . Jacob . January 4, 2022 . AMD shows off future Zen 4 Ryzen CPUs and they look absolutely wild . PC Gamer . en-US . January 4, 2022.
  2. Web site: Ganti . Anil . May 25, 2021 . New leak envisions what the AM5 socket could look like and highlights key AMD Ryzen 7000 Raphael specs . Notebook Check . en-US . July 8, 2021.
  3. Web site: Liu . Zhiye . May 22, 2021 . AM5 Socket May Be AMD's Doorway To DDR5 . Tom's Hardware . en-US . July 8, 2021.
  4. Web site: Hill . Luke . 2022-08-30 . AMD Details Zen 4 Ryzen 7000 and AM5 – Launch September 27th . 2023-03-07 . KitGuru . en-US.
  5. Web site: AMD . January 4, 2022 . AMD 2022 Product Premiere - Recap. YouTube . en-US . February 25, 2022.
  6. Web site: Castle . Katherine . April 19, 2018 . AMD confirm AM4 motherboards will be supported until 2020 . Rock Paper Shotgun . May 7, 2022.
  7. Web site: James . Dave . May 20, 2022 . Dr. Lisa Su is teasing AMD Zen 4 CPU details on Monday and Gigabyte is promising AM5 boards . PC Gamer . en-US . May 20, 2022.
  8. Web site: Hill . Brandon . May 20, 2022 . Gigabyte Confirms X670 AMD Ryzen 7000 Zen 4 AM5 Motherboards for Computex . Tom's Hardware . en-US . May 20, 2022.
  9. Web site: Tyson . Mark . May 20, 2022 . Computex Organizer Confirms ASRock AMD X670E Motherboards Incoming . Tom's Hardware . en-US . May 20, 2022.
  10. Web site: Hagedoom . Hilbert . January 10, 2022 . AMD aims for AM5 to have a similar lifespan to AM4 (5 years) . The Guru of 3D . May 7, 2022.
  11. Web site: James . Dave . August 29, 2022 . AMD plans to support the new AM5 socket through 2025 and beyond . PC Gamer . en-US . August 30, 2022.
  12. Web site: Evanson . Nick . AMD promises AM5 socket life support through to 2027 and beyond . PC Gamer . 5 June 2024 . en . 3 June 2024.
  13. Web site: Dexter . Alan . April 25, 2022 . AMD's AM5 platform won't support DDR4 at launch . PC Gamer . May 7, 2022.
  14. Web site: Smith . Ryan . Bonshor . Gavin . September 26, 2022 . AMD Zen 4 Ryzen 9 7950X and Ryzen 5 7600X Review: Retaking The High-End . AnandTech . October 1, 2022.
  15. Web site: Alcorn . Paul . May 26, 2022 . AMD Corrects Socket AM5 for Ryzen 7000 Power Specs: 230W Peak Power, 170W TDP (Updated) . Tom's Hardware . en-US . May 29, 2022.
  16. Web site: Leather . Anthony . Beware Socket AM5 cooler compatibility . Custom PC . en-US . October 19, 2022.
  17. Web site: Killian . Zak . October 3, 2022 . How To Know If Your Existing CPU Cooler Is Compatible With AM5 For Zen 4 Builds . HotHardware . en-US . October 19, 2022.
  18. Web site: Tyson . Mark . September 22, 2022 . Noctua Confirms Its AMD AM4 Compatible Coolers Will Also Support AM5 Platforms . Tom's Hardware . en-US . October 19, 2022.
  19. Web site: September 5, 2022 . EK Reveals AM5 Compatibility Roadmap for All CPU Cooling Products . TechPowerUp . en-US . October 19, 2022.

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