Editing intel/xeon e7/e7-2820

{{intel title|Xeon E7-2820}}
{{mpu
| name                = Xeon E7-2820
| no image            = Yes
| image               = 
| image size          = 
| caption             = 
| designer            = Intel
| manufacturer        = Intel
| model number        = E7-2820
| part number         = AT80615007245AA
| part number 2       = 
| part number 3       = 
| part number 4       = 
| market              = Server
| first announced     = April 5, 2011
| first launched      = April 5, 2011
| last order          = August 21, 2015
| last shipment       = February 2, 2018
| release price       = $1334.00

| family              = Xeon E7
| series              = E7-2800
| locked              = Yes
| frequency           = 1,999.99 MHz
| turbo frequency     = Yes
| turbo frequency1    = 2,266.66 MHz
| turbo frequency2    = 2,266.66 MHz
| turbo frequency3    = 2,133.33 MHz
| turbo frequency4    = 2,133.33 MHz
| turbo frequency5    = 2,133.33 MHz
| turbo frequency6    = 2,133.33 MHz
| turbo frequency7    = 2,133.33 MHz
| turbo frequency8    = 2,133.33 MHz
| bus type            = QPI
| bus speed           = 
| bus rate            = 5.86 GT/s
| clock multiplier    = 15
| s-spec              = SLC3R
| s-spec es           = 
| s-spec qs           = 
| cpuid               = 206F2

| isa family          = x86
| isa                 = x86-64
| microarch           = Westmere
| platform            = Boxboro
| chipset             = Boxboro
| core name           = Westmere EX
| core family         = 6
| core model          = 47
| core stepping       = A2
| process             = 32 nm
| transistors         = 2,600,000,000
| technology          = CMOS
| die size            = 513 mm²
| word size           = 64 bit
| core count          = 8
| thread count        = 16
| max cpus            = 2
| max memory          = 1 TiB


| v core              = 1.35 V
| v core tolerance    = 
| sdp                 = 
| tdp                 = 105 W
| ctdp down           = 
| ctdp down frequency = 
| ctdp up             = 
| ctdp up frequency   = 
| temp min            = 
| temp max            = 
| tjunc min           =  
| tjunc max           = 
| tcase min           = 5 °C
| tcase max           = 64 °C
| tstorage min        = -40 °C
| tstorage max        = 85 °C

| package module 1    = {{packages/intel/lga-1567}}
}}
'''Xeon E7-2820''' is a {{arch|64}} octa-core [[x86]] data center microprocessor that supports up to 2 sockets. This first generation {{intel|Xeon E7}} processor, {{intel|Westmere|Westmere}}-based, operates at a base frequency of 2 GHz with {{intel|turbo boost technology|turbo}} frequency of 2.266 GHz for 2 active cores. This chip has a TDP of 105 W, supporting up to 4 channels of DDR3 with support of up to 1 TB of memory.

== Cache ==
{{main|intel/microarchitectures/westmere#Memory_Hierarchy|l1=Westmere § Cache}}
{{cache size
|l1 cache = 512 KiB
|l1i cache=256 KiB
|l1i break=8x32 KiB
|l1i desc=4-way set associative
|l1i policy=write-back
|l1d cache=256 KiB
|l1d break=8x32 KiB
|l1d desc=8-way set associative
|l1d policy=write-back
|l2 cache=2 MiB
|l2 break=8x256 KiB
|l2 desc=8-way set associative
|l2 policy=write-back
|l3 cache=18 MiB
|l3 break=8x3 MiB
|l3 desc=16-way set associative
|l3 policy=write-back
}}

== Graphics ==
This SoC has no integrated graphics processing unit.

== Memory controller ==
{{memory controller
|type=DDR3-1066
|ecc=Yes
|max mem=1 TiB
|controllers=1
|channels=4
|max bandwidth=31.77 GiB/s
|bandwidth schan=7.942 GiB/s
|bandwidth dchan=15.88 GiB/s
|bandwidth tchan=23.83 GiB/s
|bandwidth qchan=31.77 GiB/s
}}

== Features ==
{{x86 features
|real=Yes
|protected=Yes
|smm=Yes
|fpu=Yes
|x8616=Yes
|x8632=Yes
|x8664=Yes
|nx=Yes
|3dnow=No
|e3dnow=No
|mmx=Yes
|emmx=Yes
|sse=Yes
|sse2=Yes
|sse3=Yes
|ssse3=Yes
|sse41=Yes
|sse42=Yes
|sse4a=No
|avx=No
|avx2=No

|abm=No
|tbm=No
|bmi1=No
|bmi2=No
|fma3=No
|fma4=No
|aes=Yes
|rdrand=No
|sha=No
|xop=No
|adx=No
|clmul=No
|f16c=No
|tbt1=Yes
|tbt2=No
|tbmt3=No
|bpt=No
|eist=Yes
|flex=No
|fastmem=No
|isrt=No
|mwt=No
|sipp=No
|att=No
|ipt=No
|tsx=No
|txt=Yes
|ht=Yes
|vpro=No
|vtx=Yes
|vtd=Yes
|ept=Yes
|mpx=No
|sgx=No
|securekey=No
|osguard=No
|smartmp=No
|powernow=No
|amdv=No
|rvi=No
}}
Has subobject "Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.	Xeon E7-2820 - Intel#package +
base frequency	1,999.99 MHz (2 GHz, 1,999,990 kHz) +
bus rate	5,860 MT/s (5.86 GT/s, 5,860,000 kT/s) +
bus type	QPI +
chipset	Boxboro +
clock multiplier	15 +
core count	8 +
core family	6 +
core model	47 +
core name	Westmere EX +
core stepping	A2 +
core voltage	1.35 V (13.5 dV, 135 cV, 1,350 mV) +
cpuid	206F2 +
designer	Intel +
die area	513 mm² (0.795 in², 5.13 cm², 513,000,000 µm²) +
family	Xeon E7 +
first announced	April 5, 2011 +
first launched	April 5, 2011 +
full page name	intel/xeon e7/e7-2820 +
has ecc memory support	true +
has extended page tables support	true +
has feature	Advanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Turbo Boost Technology 1.0 +, Enhanced SpeedStep Technology +, Trusted Execution Technology +, Intel VT-x +, Intel VT-d + and Extended Page Tables +
has intel enhanced speedstep technology	true +
has intel trusted execution technology	true +
has intel turbo boost technology 1 0	true +
has intel vt-d technology	true +
has intel vt-x technology	true +
has locked clock multiplier	true +
has second level address translation support	true +
has simultaneous multithreading	true +
has x86 advanced encryption standard instruction set extension	true +
instance of	microprocessor +
isa	x86-64 +
isa family	x86 +
l1$ size	512 KiB (524,288 B, 0.5 MiB) +
l1d$ description	8-way set associative +
l1d$ size	256 KiB (262,144 B, 0.25 MiB) +
l1i$ description	4-way set associative +
l1i$ size	256 KiB (262,144 B, 0.25 MiB) +
l2$ description	8-way set associative +
l2$ size	2 MiB (2,048 KiB, 2,097,152 B, 0.00195 GiB) +
l3$ description	16-way set associative +
l3$ size	18 MiB (18,432 KiB, 18,874,368 B, 0.0176 GiB) +
last order	August 21, 2015 +
last shipment	February 2, 2018 +
ldate	April 5, 2011 +
manufacturer	Intel +
market segment	Server +
max case temperature	337.15 K (64 °C, 147.2 °F, 606.87 °R) +
max cpu count	2 +
max memory	1,048,576 MiB (1,073,741,824 KiB, 1,099,511,627,776 B, 1,024 GiB, 1 TiB) +
max memory bandwidth	31.77 GiB/s (32,532.48 MiB/s, 34.113 GB/s, 34,112.778 MB/s, 0.031 TiB/s, 0.0341 TB/s) +
max memory channels	4 +
max storage temperature	358.15 K (85 °C, 185 °F, 644.67 °R) +
microarchitecture	Westmere +
min case temperature	278.15 K (5 °C, 41 °F, 500.67 °R) +
min storage temperature	233.15 K (-40 °C, -40 °F, 419.67 °R) +
model number	E7-2820 +
name	Xeon E7-2820 +
package	FCLGA-8 +
part number	AT80615007245AA +
platform	Boxboro +
process	32 nm (0.032 μm, 3.2e-5 mm) +
release price	$ 1,334.00 (€ 1,200.60, £ 1,080.54, ¥ 137,842.22) +
s-spec	SLC3R +
series	E7-2800 +
smp max ways	2 +
supported memory type	DDR3-1066 +
tdp	105 W (105,000 mW, 0.141 hp, 0.105 kW) +
technology	CMOS +
thread count	16 +
transistor count	2,600,000,000 +
turbo frequency (1 core)	2,266.66 MHz (2.267 GHz, 2,266,660 kHz) +
turbo frequency (2 cores)	2,266.66 MHz (2.267 GHz, 2,266,660 kHz) +
turbo frequency (3 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
turbo frequency (4 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
turbo frequency (5 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
turbo frequency (6 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
turbo frequency (7 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
turbo frequency (8 cores)	2,133.33 MHz (2.133 GHz, 2,133,330 kHz) +
word size	64 bit (8 octets, 16 nibbles) +