Editing amd/ryzen 9/3900x

{{amd title|Ryzen 9 3900X}}
{{chip
|name=Ryzen 9 3900X
|no image=Yes
|designer=AMD
|manufacturer=TSMC
|model number=3900X
|part number=100-000000023
|part number 2=100-100000023BOX
|market=Desktop
|first announced=May 27, 2019
|first launched=July 7, 2019
|release price=$499
|family=Ryzen 9
|series=3000
|locked=No
|frequency=3,800 MHz
|turbo frequency=4,600 MHz
|isa=x86-64
|isa family=x86
|microarch=Zen 2
|core name=Matisse
|core stepping=B0
|process=7 nm
|process 2=12 nm
|technology=CMOS
|mcp=Yes
|die count=3
|word size=64 bit
|core count=12
|thread count=24
|max cpus=1
|max memory=128 GiB
|tdp=105 W
|package module 1={{packages/amd/socket am4}}
}}
'''Ryzen 9 3900X''' is a {{arch|64}} [[dodeca-core]] high-end performance [[x86]] desktop microprocessor introduced by [[AMD]] in mid-[[2019]]. Fabricated on TSMC's [[7 nm process]] based on the {{amd|Zen 2|Zen 2 microarchitecture|l=arch}}, this processor operates at 3.8 GHz with a [[TDP]] of 105 W and a {{amd|Precision Boost|Boost}} frequency of up to 4.6 GHz. The 3900X supports up to 128 GiB of dual-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=12x32 KiB
|l1i desc=8-way set associative
|l1d cache=384 KiB
|l1d break=12x32 KiB
|l1d desc=8-way set associative
|l1d policy=write-back
|l2 cache=6 MiB
|l2 break=12x512 KiB
|l2 desc=8-way set associative
|l2 policy=write-back
|l3 cache=64 MiB
|l3 break=4x16 MiB
}}

== Memory controller ==
{{memory controller
|type=DDR4-3200
|max mem=128 GiB
|channels=2
|max bandwidth=47.68 GiB/s
|bandwidth schan=23.84 GiB/s
|bandwidth dchan=47.68 GiB/s
}}


{| class="wikitable"
|-
! colspan="4" | <span style="float: left; margin-right: 4px; font-size: .7em;">[[Template:amd ryzen memory configs|[Edit]]]</span> Memory Configurations
|-
| rowspan="4" | Dual Channel || rowspan="2" | Single Rank || 2 DIMMs || DDR4-3200
|-
| 4 DIMMs || DDR4-2933
|-
| rowspan="2" | Double Rank || 2 DIMMs || DDR4-3200
|-
| 4 DIMMs || DDR4-2667
|}

== Expansions ==
In addition to the x4 lanes that are reserved for the chipset, the Ryzen 9 3900X has x16 for a [[discrete graphics processor]] and x4 for storage (NVMe or 2 ports SATA Express).
{{expansions main
|
{{expansions entry
|type=PCIe
|pcie revision=4.0
|pcie lanes=20
|pcie config=1x16+x4
|pcie config 2=2x8+x4
|pcie config 3=1x8+2x4+x4
}}
}}

== 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
|avx=Yes
|avx2=Yes
|avx512f=No
|avx512cd=No
|avx512er=No
|avx512pf=No
|avx512bw=No
|avx512dq=No
|avx512vl=No
|avx512ifma=No
|avx512vbmi=No
|avx5124fmaps=No
|avx5124vnniw=No
|avx512vpopcntdq=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
|tbt1=No
|tbt2=No
|tbmt3=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
|3dnow=No
|e3dnow=No
|smartmp=No
|powernow=No
|amdvi=Yes
|amdv=Yes
|amdsme=No
|amdtsme=No
|amdsev=No
|rvi=No
|smt=Yes
|sensemi=Yes
|xfr=No
|xfr2=Yes
|mxfr=No
|amdpb=No
|amdpb2=Yes
}}
Has subobject "Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.	Ryzen 9 3900X - AMD#pcie +
base frequency	3,800 MHz (3.8 GHz, 3,800,000 kHz) +
core count	12 +
core name	Matisse +
core stepping	B0 +
designer	AMD +
die count	3 +
family	Ryzen 9 +
first announced	May 27, 2019 +
first launched	July 7, 2019 +
full page name	amd/ryzen 9/3900x +
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 extended frequency range 2	true +
has amd precision boost 2	true +
has amd sensemi technology	true +
has ecc memory support	true +
has feature	Advanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension +, SenseMI Technology +, Extended Frequency Range 2 + and Precision Boost 2 +
has locked clock multiplier	false +
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$ size	64 MiB (65,536 KiB, 67,108,864 B, 0.0625 GiB) +
ldate	July 7, 2019 +
manufacturer	TSMC +
market segment	Desktop +
max cpu count	1 +
max memory	131,072 MiB (134,217,728 KiB, 137,438,953,472 B, 128 GiB, 0.125 TiB) +
max memory bandwidth	47.68 GiB/s (48,824.32 MiB/s, 51.196 GB/s, 51,196.01 MB/s, 0.0466 TiB/s, 0.0512 TB/s) +
max memory channels	2 +
microarchitecture	Zen 2 +
model number	3900X +
name	Ryzen 9 3900X +
package	OPGA-1331 +
part number	100-000000023 + and 100-100000023BOX +
process	7 nm (0.007 μm, 7.0e-6 mm) + and 12 nm (0.012 μm, 1.2e-5 mm) +
release price	$ 499.00 (€ 449.10, £ 404.19, ¥ 51,561.67) +
series	3000 +
smp max ways	1 +
socket	Socket AM4 +
supported memory type	DDR4-2133 +
tdp	105 W (105,000 mW, 0.141 hp, 0.105 kW) +
technology	CMOS +
thread count	24 +
turbo frequency	4,600 MHz (4.6 GHz, 4,600,000 kHz) +
word size	64 bit (8 octets, 16 nibbles) +