Socket FM2

Socket FM2
Type PGA-ZIF
Chip form factors PGA
Contacts 904
Predecessor FM1
Successor FM2+

This article is part of the CPU socket series

Socket FM2 is a CPU socket used by AMD's desktop Trinity and Richland APUs to connect to the motherboard as well as Athlon X2 and Athlon X4 processors based on them. FM2 was launched on September 27, 2012.[1] Motherboards which feature the new FM2 CPU socket also utilize AMD's new A85X chipset.[2]

The socket is very similar to FM1, based on a 31×31 grid of pins with a 5×7 central void, 3 pins missing from each corner, and a few additional key pins missing. Compared to Socket FM1, two key pins were moved, and one more is removed, leaving 904 pins.[3]

For available chipsets consult Fusion controller hubs (FCH).

Steamroller-based "Kaveri" APUs are not supported, see Socket FM2+ (FM2r2) and Socket FP3 (BGA-???).[4]

Feature overview

Features of AMD Accelerated Processing Units
Brand Llano Trinity Richland Kaveri Carrizo Bristol Ridge Raven Ridge Desna, Ontario, Zacate Kabini, Temash Beema, Mullins Carrizo-L Stoney Ridge
Platform Desktop, Mobile Mobile Desktop, Mobile Ultra-mobile
Released Aug 2011 Oct 2012 Jun 2013 Jan 2014 Jun 2015 Jun 2016 TBA Jan 2011 May 2013 Q2 2014 May 2015 June 2016
Fab. (nm) GlobalFoundries 32 SOI 28 14 TSMC 40 28
Die size (mm2) 228 246 245 244.62 250.04 TBA 75 (+ 28 FCH) ~107 TBA 125
Socket FM1, FS1 FM2, FS1+, FP2 FM2+, FP3 FM2+[lower-alpha 1], FP4 AM4, FP4 AM4, FP5 FT1 AM1, FT3 FT3b FP4 FP4
CPU architecture AMD 10h Piledriver Steamroller Excavator Zen Bobcat Jaguar Puma Puma+[5] Excavator
Memory support DDR3-1866
DDR3-1600
DDR3-1333 		DDR3-2133
DDR3-1866
DDR3-1600
DDR3-1333 		DDR4-2400
DDR4-2133
DDR4-1866
DDR4-1600 		DDR3L-1333
DDR3L-1066 		DDR3L-1866
DDR3L-1600
DDR3L-1333
DDR3L-1066 		DDR3L-1866
DDR3L-1600
DDR3L-1333 		Up to
DDR4-2133
3D engine[lower-alpha 2] TeraScale (VLIW5) TeraScale (VLIW4) GCN 2nd Gen (Mantle, HSA) GCN 3rd Gen (Mantle, HSA) GCN 5th Gen[6] (Mantle, HSA) TeraScale (VLIW5) GCN 2nd Gen GCN 3rd Gen[6]
Up to 400:20:8 Up to 384:24:6 Up to 512:32:8 TBA 80:8:4 128:8:4 Up to 192:?:?
IOMMUv1 IOMMUv2 IOMMUv1[7] TBA TBA
Unified Video Decoder UVD 3 UVD 4.2 UVD 6 TBA UVD 3 UVD 4 UVD 4.2 UVD 6 UVD 6.3
Video Coding Engine N/A VCE 1.0 VCE 2.0 VCE 3.1 TBA N/A VCE 2.0 VCE 3.1
GPU power saving PowerPlay PowerTune N/A PowerTune[8]
Max. displays[lower-alpha 3] 2–3 2–4 2–4 3 4 TBA 2 TBA TBA
TrueAudio N/A [10] N/A[7] TBA
FreeSync N/A N/A TBA
/drm/radeon[11][12] N/A N/A
/drm/amdgpu[13] N/A [14] N/A [14]
  1. ↑ No APU models. Athlon X4 845 only.
  2. ↑ Unified shaders : texture mapping units : render output units
  3. ↑ To feed more than two displays, the additional panels must have native DisplayPort support.[9] Alternatively active DisplayPort-to-DVI/HDMI/VGA adapters can be employed.
  1. ↑ van Miltenburg, Olaf (2012-09-27). "AMD introduceert Trinity-apu's voor de desktop". Tweakers.
  2. ↑ Hugosson, Jacob (2011-10-03). "AMD Piledriver 10% faster than Bulldozer". NordicHardware.
  3. ↑ Chris Angelini (September 26, 2012), "Socket Compatibility And The A85X FCH", Tom's Hardware: 6, retrieved 2012-12-10
  4. ↑ http://www.tomshardware.com/news/Kaveri-AMD-FM2-FM2b-Socket,22949.html
  5. ↑ "AMD Mobile “Carrizo” Family of APUs Designed to Deliver Significant Leap in Performance, Energy Efficiency in 2015" (Press release). 2014-11-20. Retrieved 2015-02-16.
  6. 1 2 "AMD VEGA10 and VEGA11 GPUs spotted in OpenCL driver". VideoCardz.com. Retrieved 6 June 2017.
  7. 1 2 Thomas De Maesschalck (2013-11-14). "AMD teases Mullins and Beema tablet/convertibles APU". Retrieved 2015-02-24.
  8. ↑ Tony Chen; Jason Greaves, "AMD's Graphics Core Next (GCN) Architecture" (PDF), AMD, retrieved 2016-08-13
  9. ↑ "How do I connect three or More Monitors to an AMD Radeon™ HD 5000, HD 6000, and HD 7000 Series Graphics Card?". AMD. Retrieved 2014-12-08.
  10. ↑ "A technical look at AMD’s Kaveri architecture". Semi Accurate. Retrieved 6 July 2014.
  11. ↑ Airlie, David (2009-11-26). "DisplayPort supported by KMS driver mainlined into Linux kernel 2.6.33". Retrieved 2016-01-16.
  12. ↑ "Radeon feature matrix". freedesktop.org. Retrieved 2016-01-10.
  13. ↑ Deucher, Alexander (2015-09-16). "XDC2015: AMDGPU" (PDF). Retrieved 2016-01-16.
  14. 1 2 Michel Dänzer (2016-11-17). "[ANNOUNCE] xf86-video-amdgpu 1.2.0". lists.x.org.
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