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Socket AM5 - Wikipedia Jump to content

Socket AM5

From Wikipedia, the free encyclopedia

Socket AM5
Release dateSeptember 27, 2022 (2022-09-27)
Designed byAMD
Manufactured byLotes
TypeLGA-ZIF
Chip form factorsFlip-chip
Contacts1718
FSB protocolPCI Express, Infinity Fabric
Voltage range0.8V (cores)
1.05V (in-package I/O die)
Processor dimensions40mm × 40mm
1,600mm2
ProcessorsRyzen:
Epyc:
  • Epyc 4004 Series
PredecessorAM4
Memory supportDDR5
This article is part of the CPU socket series

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

[edit]

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

[edit]

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

[edit]
  • Supports DDR5 in dual-channel configuration. DDR4 is not supported, unlike Intel's LGA 1700 socket.[13]
  • Support for PCIe 5.0 lanes from the CPU on X870E, X870, X670E and B650E chipsets.[14]
  • Achieves 170 W TDP[i] and a Package Power Tracking (PPT)[ii] limit up to 230 W.[15]
Image of the AM5 socket with the Socket Actuation Mechanism (SAM) in open position, exposing the pins
Pin map of the AM5 socket from AMD

Heatsink

[edit]

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]

Chipsets

[edit]
Branding
A620 B650 B650E X670 X670E X870 X870E
Platform features
 PCIe 5.0
support[a] 		x16 slot No No Yes No Yes Yes Yes
M.2 slot + 4× GPP No M.2 Optional Yes Yes Yes Yes Yes
x16 slot configurations 1×16 1×16 or 2×8
Multi-GPU CrossFire No Yes Yes Yes Yes Yes Yes
SLI No No No No No No No
USB4 Gen 3×2 (40 Gb/s)[b] Optional Optional Optional Optional Optional Yes Yes
Wi-Fi version[b][c] 6 7
Processor overclocking No Yes Yes Yes Yes Yes Yes
Chipset specifications
 PCIe lanes[d] Gen 4 None ×8 ×12 ×8 ×12
Gen 3 Up to ×8 Up to ×4 Up to ×8 Up to ×4 Up to ×8
USB
support 		USB 2.0 6 12 6 12
USB 3.2 Gen 1x1
(5 Gb/s) 		2 None
USB 3.2 Gen 2x1
(10 Gb/s) 		2 4 8 4 8
USB 3.2 Gen 2x2
(20 Gb/s) 		None 1[e] 2[f] 1[e] 2[f]
Storage
features 		SATA III ports Up to 4 Up to 8 Up to 4 Up to 8
RAID 0, 1, 10
Chipset TDP ~4.5 W ~7 W ~14 W[g] ~7 W ~14 W[g]
Architecture Promontory 21
×1 		Promontory 21
×2 		Promontory 21
×1 		Promontory 21
×2
Chipset
links 		To CPU PCIe 4.0 ×4
Interchipset — PCIe 4.0 ×4 — PCIe 4.0 ×4
CPU
support 		Zen 4 Yes
Zen 5 Yes
Release date Mar 31, 2023 Oct 10, 2022 Sep 27, 2022 Sep 2024
Reference(s) [20][21][22] [20][23][24] [20][25][26][27]
  1. ^ Support for Gen5 speeds on lanes directly from CPU to expansion and M.2 slots, and general-purpose lanes.
  2. ^ a b Provided by a third-party controller.
  3. ^ Motherboard makers may omit Wi-Fi on some models.
  4. ^ PCIe lanes provided by the chipset. The CPU provides other PCIe 5.0 and/or 4.0 lanes.
  5. ^ a b The motherboard maker may configure the USB 3.2 provided by the chipset as 6× 3.2 Gen 2x1 and 0× 3.2 Gen 2x2 ports.
  6. ^ a b The motherboard maker may configure the USB 3.2 provided by the chipset as 10× 3.2 Gen 2x1 and 1× 3.2 Gen 2x2 ports, or 12× 3.2 Gen 2x1 and 0× 3.2 Gen 2x2 ports.
  7. ^ a b Two Promontory 21 chipsets are present, each having a TDP of ~7 W, giving a total TDP of ~14 W.

See also

[edit]

Notes

[edit]
  1. ^ Thermal design power
  2. ^ Electrical power dissipation

References

[edit]
  1. ^ Ridley, Jacob (January 4, 2022). "AMD shows off future Zen 4 Ryzen CPUs and they look absolutely wild". PC Gamer. Retrieved January 4, 2022.
  2. ^ 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. Retrieved July 8, 2021.
  3. ^ Liu, Zhiye (May 22, 2021). "AM5 Socket May Be AMD's Doorway To DDR5". Tom's Hardware. Retrieved July 8, 2021.
  4. ^ Hill, Luke (August 30, 2022). "AMD Details Zen 4 Ryzen 7000 and AM5 – Launch September 27th". KitGuru. Retrieved March 7, 2023.
  5. ^ AMD (January 4, 2022). "AMD 2022 Product Premiere - Recap". YouTube. Retrieved February 25, 2022.
  6. ^ Castle, Katherine (April 19, 2018). "AMD confirm AM4 motherboards will be supported until 2020". Rock Paper Shotgun. Retrieved May 7, 2022.
  7. ^ 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. Retrieved May 20, 2022.
  8. ^ Hill, Brandon (May 20, 2022). "Gigabyte Confirms X670 AMD Ryzen 7000 Zen 4 AM5 Motherboards for Computex". Tom's Hardware. Retrieved May 20, 2022.
  9. ^ Tyson, Mark (May 20, 2022). "Computex Organizer Confirms ASRock AMD X670E Motherboards Incoming". Tom's Hardware. Retrieved May 20, 2022.
  10. ^ Hagedoom, Hilbert (January 10, 2022). "AMD aims for AM5 to have a similar lifespan to AM4 (5 years)". The Guru of 3D. Retrieved May 7, 2022.
  11. ^ James, Dave (August 29, 2022). "AMD plans to support the new AM5 socket through 2025 and beyond". PC Gamer. Retrieved August 30, 2022.
  12. ^ Evanson, Nick (June 3, 2024). "AMD promises AM5 socket life support through to 2027 and beyond". PC Gamer. Retrieved June 5, 2024.
  13. ^ Dexter, Alan (April 25, 2022). "AMD's AM5 platform won't support DDR4 at launch". PC Gamer. Retrieved May 7, 2022.
  14. ^ Smith, Ryan; Bonshor, Gavin (September 26, 2022). "AMD Zen 4 Ryzen 9 7950X and Ryzen 5 7600X Review: Retaking The High-End". AnandTech. Retrieved October 1, 2022.
  15. ^ Alcorn, Paul (May 26, 2022). "AMD Corrects Socket AM5 for Ryzen 7000 Power Specs: 230W Peak Power, 170W TDP (Updated)". Tom's Hardware. Retrieved May 29, 2022.
  16. ^ Leather, Anthony (August 8, 2022). "Beware Socket AM5 cooler compatibility". Custom PC. Retrieved October 19, 2022.
  17. ^ Killian, Zak (October 3, 2022). "How To Know If Your Existing CPU Cooler Is Compatible With AM5 For Zen 4 Builds". HotHardware. Retrieved October 19, 2022.
  18. ^ Tyson, Mark (September 22, 2022). "Noctua Confirms Its AMD AM4 Compatible Coolers Will Also Support AM5 Platforms". Tom's Hardware. Retrieved October 19, 2022.
  19. ^ "EK Reveals AM5 Compatibility Roadmap for All CPU Cooling Products". TechPowerUp. September 5, 2022. Retrieved October 19, 2022.
  20. ^ a b c "AMD Socket AM5 Chipset". AMD. Retrieved June 7, 2024.
  21. ^ Peak, Sebastian (March 31, 2023). "AMD Announces A620 Chipset for Ryzen 7000 Series CPUs". PC Perspective. Retrieved April 2, 2023.
  22. ^ Alcorn, Paul (April 1, 2023). "AMD's A620 Chipset Quietly Arrives Without Full Support for 65W-Plus CPUs". Tom's Hardware. Retrieved April 2, 2023.
  23. ^ Smith, Ryan; Bonshor, Gavin (September 26, 2022). "AMD Zen 4 Ryzen 9 7950X and Ryzen 5 7600X Review: Retaking The High-End". AnandTech. Retrieved October 2, 2022.
  24. ^ Cunningham, Andrew (September 27, 2022). "Everything you need to know about Zen 4, socket AM5, and AMD's newest chipsets". Ars Technica. Retrieved October 2, 2022.
  25. ^ "AMD introduces X870(E) chipset, promises AM5 updates through 2027+". VideoCardz.com. June 3, 2024. Retrieved June 7, 2024.
  26. ^ Clairebois, Lâm (June 4, 2024). "New AMD chipsets: the X870E is a rebadged X670E". Overclocking.com. Retrieved June 7, 2024.
  27. ^ Mason, Damien (June 10, 2024). "AMD Ryzen 9000X3D CPUs are set for a September launch". Club386. Retrieved June 29, 2024.
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