Editing amd/ryzen threadripper/pro 3945wx

{{amd title|Ryzen Threadripper PRO 3945WX}}
{{chip
|name=Ryzen Threadripper PRO 3945WX
|no image=Yes
|designer=AMD
|manufacturer=TSMC
|manufacturer 2=GlobalFoundries
|model number=PRO 3945WX
|part number=100-000000168
|market=Workstation
|first launched=July 14, 2020
|family=Ryzen Threadripper
|series=3900
|locked=Yes
|frequency=4,000 MHz
|turbo frequency=4,300 MHz
|clock multiplier=40
|isa=x86-64
|isa family=x86
|chipset=WRX80
|microarch=Zen 2
|core name=Castle Peak
|core family=23
|core model=49
|core stepping=B0
|cpuid=0x00830F10
|process=7 nm
|process 2=12 nm
|transistors=15,940,000,000
|technology=CMOS
|mcp=Yes
|die count=3
|word size=64 bit
|core count=12
|thread count=24
|max memory=2 TiB
|max cpus=1
|tdp typical=195 W
|tdp=280 W
|tjunc min=0 °C
|tjunc max=90 °C
|package name 1=amd,swrx8
}}
'''Ryzen Threadripper PRO 3945WX''' is a {{arch|64}} [[12-core]] high performance [[x86]] workstation [[microprocessor]] introduced by [[AMD]] in mid-[[2020]]. This [[multi-chip package|multi-chip processor]], which is based on their {{amd|Zen 2|Zen 2 microarchitecture|l=arch}}, incorporates two Core Complex Dies fabricated on a [[TSMC]] [[7&nbsp;nm process]] and an I/O die fabricated on a [[GlobalFoundries]] [[12&nbsp;nm process]]. The PRO 3945WX has a {{abbr|TDP}} of 280&nbsp;W with a base frequency of 4.0&nbsp;GHz and a {{amd|precision boost|boost}} frequency of up to 4.3&nbsp;GHz. This processor supports up to 2&nbsp;TiB of octa-channel DDR4-3200 memory.

== Cache ==
{{main|amd/microarchitectures/zen 2#Memory_Hierarchy|l1=Zen 2 § Cache}}
{{cache size
|l1 cache=768 KiB
|l1i cache=384 KiB
|l1i break=12 × 32 KiB
|l1i desc=8-way set associative
|l1d cache=384 KiB
|l1d break=12 × 32 KiB
|l1d desc=8-way set associative
|l1d policy=write-back
|l2 cache=6 MiB
|l2 break=12 × 512 KiB
|l2 desc=8-way set associative
|l2 policy=write-back
|l3 cache=64 MiB
|l3 break=4 × 16 MiB
|l3 desc=16-way set associative
|l3 policy=write-back
}}

== Memory controller ==
This processor supports {{abbr|UDIMM}}, {{abbr|RDIMM}}, {{abbr|LRDIMM}}, and {{abbr|3DS RDIMM}} memory. The maximum memory capacity is 2&nbsp;TiB using eight 256&nbsp;GiB LRDIMMs or 3DS RDIMMs.
{{memory controller
|type=DDR4-3200
|ecc=Yes
|max mem=2 TiB
|controllers=8
|channels=8
|max bandwidth=204.8&nbsp;GB/s
|bandwidth schan=25.6&nbsp;GB/s
|bandwidth dchan=51.2&nbsp;GB/s
|bandwidth qchan=102.4&nbsp;GB/s
|bandwidth ochan=204.8&nbsp;GB/s
}}

== Expansions ==
{{main|amd/cores/castle peak#Input/Output Interfaces|l1=Castle Peak § I/O Interfaces}}
{{expansions main
|
{{expansions entry
|type=PCIe
|pcie revision=4.0
|pcie lanes=128
|pcie config=x16
|pcie config 2=x8
|pcie config 3=x4
|pcie config 4=x2
|pcie config 5=x1
}}
{{expansions entry
|type=SATA
|sata revision=3.2
|sata ports=32
}}
{{expansions entry
|type=USB
|usb revision=3.2 Gen 2×1
|usb ports=4
|usb rate=10 Gbit/s
}}
}}

== Graphics ==
This processor has no integrated graphics.

== Features ==
{{x86 features
|real=Yes
|protected=Yes
|smm=Yes
|fpu=Yes
|x8616=Yes
|x8632=Yes
|x8664=Yes
|nx=Yes
|mmx=Yes
|emmx=Yes
|sse=Yes
|sse2=Yes
|sse3=Yes
|ssse3=Yes
|sse41=Yes
|sse42=Yes
|sse4a=Yes
|sse_gfni=No
|avx=Yes
|avx_gfni=No
|avx2=Yes
|avx512f=No
|avx512cd=No
|avx512er=No
|avx512pf=No
|avx512bw=No
|avx512dq=No
|avx512vl=No
|avx512ifma=No
|avx512vbmi=No
|avx5124fmaps=No
|avx512vnni=No
|avx5124vnniw=No
|avx512vpopcntdq=No
|avx512gfni=No
|avx512vaes=No
|avx512vbmi2=No
|avx512bitalg=No
|avx512vpclmulqdq=No
|abm=Yes
|tbm=No
|bmi1=Yes
|bmi2=Yes
|fma3=Yes
|fma4=No
|aes=Yes
|rdrand=Yes
|sha=Yes
|xop=No
|adx=Yes
|clmul=Yes
|f16c=Yes
|bfloat16=No
|tbt1=No
|tbt2=No
|tbmt3=No
|tvb=No
|bpt=No
|eist=No
|sst=No
|flex=No
|fastmem=No
|ivmd=No
|intelnodecontroller=No
|intelnode=No
|kpt=No
|ptt=No
|intelrunsure=No
|mbe=No
|isrt=No
|sba=No
|mwt=No
|sipp=No
|att=No
|ipt=No
|tsx=No
|txt=No
|ht=No
|vpro=No
|vtx=No
|vtd=No
|ept=No
|mpx=No
|sgx=No
|securekey=No
|osguard=No
|intqat=No
|dlboost=No
|3dnow=No
|e3dnow=No
|smartmp=No
|powernow=No
|amdvi=Yes
|amdv=Yes
|amdsme=
|amdtsme=Yes
|amdsev=
|rvi=
|smt=Yes
|sensemi=Yes
|xfr=
|xfr2=
|mxfr=
|amdpb=
|amdpb2=
|amdpbod=
}}

== Bibliography ==
* [https://ir.amd.com/news-events/press-releases/detail/959/amd-announce-worlds-first-64-core-pro-workstation-the "AMD Announce World’s First 64-Core PRO Workstation, the Lenovo™ ThinkStation™ P620, the Pinnacle of Performance for Modern Professionals"] (Press release). AMD.com. July 14, 2020.
* [https://www.amd.com/en/product/10191 "AMD Ryzen™ Threadripper™ PRO 3945WX"] AMD.com.
* {{cite techdoc|title=AMD Family 17h Models 30h-3Fh sWRX8 Processors Power and Thermal Data Sheet|publ=AMD|pid=56447|rev=1.01|date=2020-08}}
* {{cite techdoc|title=Revision Guide for AMD Family 17h Models 30h-3Fh Processors|publ=AMD|pid=56323|rev=0.78|date=2021-02}}
Has subobject "Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.	Ryzen Threadripper PRO 3945WX - AMD#pcie +
base frequency	4,000 MHz (4 GHz, 4,000,000 kHz) +
chipset	WRX80 +
clock multiplier	40 +
core count	12 +
core family	23 +
core model	49 +
core name	Castle Peak +
core stepping	B0 +
cpuid	0x00830F10 +
designer	AMD +
die count	3 +
family	Ryzen Threadripper +
first launched	July 14, 2020 +
full page name	amd/ryzen threadripper/pro 3945wx +
has advanced vector extensions	true +
has advanced vector extensions 2	true +
has amd amd-v technology	true +
has amd amd-vi technology	true +
has amd sensemi technology	true +
has amd transparent secure memory encryption technology	true +
has ecc memory support	true +
has feature	Advanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension + and SenseMI Technology +
has locked clock multiplier	true +
has simultaneous multithreading	true +
has x86 advanced encryption standard instruction set extension	true +
instance of	microprocessor +
is multi-chip package	true +
isa	x86-64 +
isa family	x86 +
l1$ size	768 KiB (786,432 B, 0.75 MiB) +
l1d$ description	8-way set associative +
l1d$ size	384 KiB (393,216 B, 0.375 MiB) +
l1i$ description	8-way set associative +
l1i$ size	384 KiB (393,216 B, 0.375 MiB) +
l2$ description	8-way set associative +
l2$ size	6 MiB (6,144 KiB, 6,291,456 B, 0.00586 GiB) +
l3$ description	16-way set associative +
l3$ size	64 MiB (65,536 KiB, 67,108,864 B, 0.0625 GiB) +
ldate	July 14, 2020 +
manufacturer	TSMC + and GlobalFoundries +
market segment	Workstation +
max cpu count	1 +
max junction temperature	363.15 K (90 °C, 194 °F, 653.67 °R) +
max memory	2,097,152 MiB (2,147,483,648 KiB, 2,199,023,255,552 B, 2,048 GiB, 2 TiB) +
max memory bandwidth	190.735 GiB/s (195,312.5 MiB/s, 204.8 GB/s, 204,800 MB/s, 0.186 TiB/s, 0.205 TB/s) +
max memory channels	8 +
max sata ports	32 +
max usb ports	4 +
microarchitecture	Zen 2 +
min junction temperature	273.15 K (0 °C, 32 °F, 491.67 °R) +
model number	PRO 3945WX +
name	Ryzen Threadripper PRO 3945WX +
package	sWRX8 + and FCLGA-4094 +
part number	100-000000168 +
process	7 nm (0.007 μm, 7.0e-6 mm) + and 12 nm (0.012 μm, 1.2e-5 mm) +
series	3900 +
smp max ways	1 +
socket	sWRX8 +
supported memory type	DDR4-3200 +
tdp	280 W (280,000 mW, 0.375 hp, 0.28 kW) +
tdp (typical)	195 W (195,000 mW, 0.261 hp, 0.195 kW) +
technology	CMOS +
thread count	24 +
transistor count	15,940,000,000 +
turbo frequency	4,300 MHz (4.3 GHz, 4,300,000 kHz) +
word size	64 bit (8 octets, 16 nibbles) +