CPUs > Intel > Xeon > Sandy Bridge Architecture

Intel Xeon E5-4640
Manufacturer	Intel
Model	Xeon
Architecture	x86
Codename	Sandy Bridge-EP-8
Core frequency (Rated/Turbo Boost)	2.4 GHz/2.8 GHz
Cores/Threads	8/16
Targeted market	Serveurs
Package / Socket	LGA-2011 / Socket R
Physical informations
Package Size	5,85x5,1 cm	Manufacturing process	32 nm
Die size	416 mm²	Transistor count	2270000000
Electrical informations
Voltage	1.35V	TDP	115 W
Bus frequency
Bus type	DMI+2xQPI	Width	64 bits
Base clock	100 MHz	Core/Bus ratio	24.0x
QPI bus speed	7.2 GT/s	DMI bus speed	5 GT/s
Caches
L1 cache (data)	8x32 KB	L1 Cache (instruction)	8x32 KB
L2 cache	8x256 KB	L3 cache	20 MB
Other informations
Release date	May 14th 2012
Functions/Features	AES Encryption Advanced Vector Extensions (AVX) EM64T Enhanced Intel Speedstep Technology (EIST) Execute Disable Bit Hyper Threading (HT) Intel Virtualization Technology MMX Octo Core SSE SSE2 SSE3 SSE4.1 SSE4.2 SSSE3 Trusted Execution Technology Turbo Boost
Integrated peripherals	DDR3-1333 Memory controller Quad Channel 40 lignes PCI-Express 3.0 Controller
Sspec (stepping)	QB87 (C0), QBEX (C1), QC6R (C2), SR0JK (C1), SR0KT (C1?), SR0QT (C2)
Part Number	BX80621E54640 (BOX), CM8062101038303 (OEM), CM8062101229400 (OEM)
Rarity
In collection ?	no
Benchmarks
	Intel Xeon E5-4640 2.40GHz 8-Core LGA 2011 / Socket R Processor SR0QT	$5.05
	Intel Xeon E5-4640 2.40GHz 8-Core LGA 2011 / Socket R Processor SR0QT	$5.05
	Intel Xeon E5-4640 2.40GHz 8-Core 20MB LGA2011 Server CPU SR0JK SR0KT SR0QT 95W	$5.99

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