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Xeon E7-4820 - Intel
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Template:mpu Xeon E7-4820 is a 64-bit octa-core x86 data center microprocessor that supports up to 4 sockets. This first generation Xeon E7 processor, Westmere-based, operates at a base frequency of 2 GHz with turob 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 2 TB of memory.

Cache

Main article: Westmere § Cache
Cache Info [Edit Values]
L1I$ 256 KB
"KB" is not declared as a valid unit of measurement for this property.
 		8x32 KB 4-way set associative (per core)
L1D$ 256 KB
"KB" is not declared as a valid unit of measurement for this property.
 		8x32 KB 8-way set associative (per core)
L2$ 2 MB
"MB" is not declared as a valid unit of measurement for this property.
 		8x256 KB 8-way set associative (per core)
L3$ 18 MB
"MB" is not declared as a valid unit of measurement for this property.
 		16-way set associative

Graphics

This SoC has no integrated graphics processing unit.

Memory controller

Integrated Memory Controller
Type DDR3-800, DDR3-978, DDR3-1066
Controllers 1
Channels 4
ECC Support Yes
Max memory 2048 GB

Features

Template:mpu features

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Facts about "Xeon E7-4820 - Intel"
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Xeon E7-4820 - Intel#package +
base frequency1,999.99 MHz (2 GHz, 1,999,990 kHz) +
bus rate5,860 MT/s (5.86 GT/s, 5,860,000 kT/s) +
bus typeQPI +
chipsetBoxboro +
clock multiplier15 +
core count8 +
core family6 +
core model47 +
core nameWestmere EX +
core steppingA2 +
core voltage1.35 V (13.5 dV, 135 cV, 1,350 mV) +
cpuid206F2 +
designerIntel +
die area513 mm² (0.795 in², 5.13 cm², 513,000,000 µm²) +
familyXeon E7 +
first announcedApril 5, 2011 +
first launchedApril 5, 2011 +
full page nameintel/xeon e7/e7-4820 +
has ecc memory supporttrue +
has extended page tables supporttrue +
has featureAdvanced 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 technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 1 0true +
has intel vt-d technologytrue +
has intel vt-x technologytrue +
has locked clock multipliertrue +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
isax86-64 +
isa familyx86 +
l1$ size512 KiB (524,288 B, 0.5 MiB) +
l1d$ description8-way set associative +
l1d$ size256 KiB (262,144 B, 0.25 MiB) +
l1i$ description4-way set associative +
l1i$ size256 KiB (262,144 B, 0.25 MiB) +
l2$ description8-way set associative +
l2$ size2 MiB (2,048 KiB, 2,097,152 B, 0.00195 GiB) +
l3$ description16-way set associative +
l3$ size18 MiB (18,432 KiB, 18,874,368 B, 0.0176 GiB) +
last orderAugust 21, 2015 +
last shipmentFebruary 5, 2016 +
ldateApril 5, 2011 +
manufacturerIntel +
market segmentServer +
max case temperature337.15 K (64 °C, 147.2 °F, 606.87 °R) +
max cpu count4 +
max memory2,097,152 MiB (2,147,483,648 KiB, 2,199,023,255,552 B, 2,048 GiB, 2 TiB) +
max memory bandwidth31.77 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 channels4 +
max storage temperature358.15 K (85 °C, 185 °F, 644.67 °R) +
microarchitectureWestmere +
min case temperature278.15 K (5 °C, 41 °F, 500.67 °R) +
min storage temperature233.15 K (-40 °C, -40 °F, 419.67 °R) +
model numberE7-4820 +
nameXeon E7-4820 +
packageFCLGA-8 +
part numberAT80615005772AC +
platformBoxboro +
process32 nm (0.032 μm, 3.2e-5 mm) +
release price$ 1,446.00 (€ 1,301.40, £ 1,171.26, ¥ 149,415.18) +
s-specSLC3G +
seriesE7-4800 +
smp max ways4 +
supported memory typeDDR3-1066 +
tdp105 W (105,000 mW, 0.141 hp, 0.105 kW) +
technologyCMOS +
thread count16 +
transistor count2,600,000,000 +
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 size64 bit (8 octets, 16 nibbles) +