Socket FM2+

Socket FM2+
Type µPGA-ZIF
Chip form factors PGA
Contacts 906
Predecessor FM2
Successor AM4
This article is part of the CPU socket series

Socket FM2+ (FM2b) is a CPU socket used by AMD's desktop "Kaveri" APUs (Steamroller-based) and Godavari APUs (Steamroller-based) to connect to the motherboard. The FM2+ has a slightly different pin configuration to Socket FM2 with two additional pin sockets. Socket FM2+ APUs are not compatible with Socket FM2 motherboards due to the aforementioned additional pins. However, socket FM2 APUs such as "Richland" and "Trinity" are compatible with the FM2+ socket.[1]

  • ECC DIMMs are supported on Socket FP3 but not supported on the Socket FM2+ package. GDDR5 or HBM memory are not supported.[2]
  • There are 3 PCI Express cores: one 2 ×16 core and two 5 ×8 cores, for a total of 64 lanes. There are 8 configurable ports, which can be divided into 2 groups:
    • Gfx-group: contains 2 ×8 ports. Each port can be limited to lower link widths for applications that require fewer lanes. Additionally, the two ports can be combined to create a single ×16 link.
    • GPP-group: contains 1 ×4 UMI and 5 General Purpose Ports (GPP).

All PCIe links are capable of supporting PCIe 2.x data rates. In addition, the Gfx link is capable of supporting PCIe 3.x data rate.[2]

For available chipsets consult Fusion controller hubs (FCH).

Its mobile counterpart is Socket FP3 (µBGA906).

Feature overview

BrandLlanoTrinityRichlandKaveriCarrizoBristol RidgeRaven RidgeDesna, Ontario, ZacateKabini, TemashBeema, MullinsCarrizo-LStoney Ridge
PlatformDesktop, MobileUltra-mobile
ReleasedAug 2011Oct 2012Jun 2013Jan 2014Jun 2015Jun 2016Oct 2017Jan 2011May 2013Q2 2014May 2015June 2016
Fab. (nm)GlobalFoundries 32 SOIGlobalFoundries 28 SHPGlobalFoundries 14LPP (FinFET)TSMC 4028
Die size (mm2)228246245244.62250.04210[3]75 (+ 28 FCH)~107TBA125
SocketFM1, FS1FM2, FS1+, FP2FM2+, FP3FM2+[lower-alpha 1], FP4AM4, FP4AM4, FP5FT1AM1, FT3FT3bFP4FP4
CPU micro-architectureAMD 10hPiledriverSteamrollerExcavatorZenBobcatJaguarPumaPuma+[4]Excavator
Memory supportDDR3-1866
DDR3-1600
DDR3-1333		DDR3-2133
DDR3-1866
DDR3-1600
DDR3-1333		DDR4-2933
DDR4-2667
DDR4-2400
DDR4-2133		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[5] (Mantle, HSA)TeraScale (VLIW5)GCN 2nd GenGCN 3rd Gen[5]
Up to 400:20:8Up to 384:24:6Up to 512:32:8Up to 704:44:16[6]80:8:4128:8:4Up to 192:?:?
IOMMUv1IOMMUv2IOMMUv1[7]TBATBA
Video Decoder ASICUVD 3.0UVD 4.2UVD 6.0VCN 1.0[8]UVD 3.0UVD 4.0UVD 4.2UVD 6.0UVD 6.3
Video Encoding ASICN/AVCE 1.0VCE 2.0VCE 3.1N/AVCE 2.0VCE 3.1
GPU power savingPowerPlayPowerTuneN/APowerTune[9]
Max. displays[lower-alpha 3]2–32–42–434TBA2TBATBA
TrueAudioN/A[11]N/A[7]TBA
FreeSyncN/A1
2		N/ATBA
HDCP[lower-alpha 4]?1.41.4
2.2		?1.4
PlayReady[lower-alpha 4]?3.0 (upcoming)?
/drm/radeon[lower-alpha 5][12][13] N/AN/A
/drm/amdgpu[lower-alpha 5][14] N/A[15]N/A[15]
  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.[10] Alternatively active DisplayPort-to-DVI/HDMI/VGA adapters can be employed.
  4. 1 2 To play protected video content, it also requires card, operating system, driver, and application support. A compatible HDCP display is also needed for this. HDCP is mandatory for the output of certain audio formats, placing additional constraints on the multimedia setup.
  5. 1 2 DRM (Direct Rendering Manager) is a component of the Linux kernel. Support in this table refers to the most current version.
  1. ↑ Niels Broekhuijsen. "Report: Upcoming Socket FM2+ Will Support Older Trinity and Richland APUs". Tom's Hardware.
  2. 1 2 "49125_15h_Models_30h-3Fh_BKDG" (pdf). AMD.
  3. ↑ "The Mobile CPU Comparison Guide Rev. 13.0 Page 5 : AMD Mobile CPU Full List". TechARP.com. Retrieved 13 December 2017.
  4. ↑ "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.
  5. 1 2 "AMD VEGA10 and VEGA11 GPUs spotted in OpenCL driver". VideoCardz.com. Retrieved 6 June 2017.
  6. ↑ Cutress, Ian (1 February 2018). "Zen Cores and Vega: Ryzen APUs for AM4 - AMD Tech Day at CES: 2018 Roadmap Revealed, with Ryzen APUs, Zen+ on 12nm, Vega on 7nm". Anandtech. Retrieved 7 February 2018.
  7. 1 2 Thomas De Maesschalck (2013-11-14). "AMD teases Mullins and Beema tablet/convertibles APU". Retrieved 2015-02-24.
  8. ↑ Larabel, Michael (17 November 2017). "Radeon VCN Encode Support Lands In Mesa 17.4 Git". Phoronix. Retrieved 20 November 2017.
  9. ↑ Tony Chen; Jason Greaves, "AMD's Graphics Core Next (GCN) Architecture" (PDF), AMD, retrieved 2016-08-13
  10. ↑ "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.
  11. ↑ "A technical look at AMD's Kaveri architecture". Semi Accurate. Retrieved 6 July 2014.
  12. ↑ Airlie, David (2009-11-26). "DisplayPort supported by KMS driver mainlined into Linux kernel 2.6.33". Retrieved 2016-01-16.
  13. ↑ "Radeon feature matrix". freedesktop.org. Retrieved 2016-01-10.
  14. ↑ Deucher, Alexander (2015-09-16). "XDC2015: AMDGPU" (PDF). Retrieved 2016-01-16.
  15. 1 2 Michel Dänzer (2016-11-17). "[ANNOUNCE] xf86-video-amdgpu 1.2.0". lists.x.org.
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