CPU Wiki

Xeon E5-4640

Intel · x86-64 · Intel Socket 2011 · Server/Workstation · 2012

Key facts

Production status: -
Release date: 2012-05-14
Cores / Threads: 8 / 16
Base clock: 2400 MHz
Turbo clock: 2800 MHz
TDP: 95 W
Process: 32 nm
Codename: Sandy Bridge-EP
Generation: Xeon E5 (Sandy Bridge-EP)

All available specs

FieldValue
nameXeon E5-4640
SocketIntel Socket 2011
FoundryIntel
Process Size32 nm
Transistors2,270 million
Die Size435 mm²
PackageFC-LGA10
MarketServer/Workstation
Release DateMay 14th, 2012
Part#SR0KJ SR0KT SR0QT
Frequency2.4 GHz
Turbo Clockup to 2.8 GHz
Base Clock100 MHz
Multiplier24.0x
Multiplier UnlockedNo
Voltage1.35 V
CodenameSandy Bridge-EP
GenerationXeon E5 (Sandy Bridge-EP)
Memory SupportDDR3
ECC MemoryYes
# of Cores8
# of Threads16
SMP # CPUs4
Cache L164 KB (per core)
Cache L2256 KB (per core)
FeaturesMMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, EIST, Intel 64, XD bit, TXT, VT-x, VT-d, HTT, AES-NI, 8.0GT/s QPI
Memory BusQuad-channel
PCI-ExpressGen 3
Cache L320 MB (shared)
Benchmark rank1018
Benchmark samples6
Benchmark price58.84
Benchmark categoryServer
Benchmark socketLGA2011
Benchmark date2012-08-01
Benchmark TDP (W)95
Benchmark base (MHz)2400
Benchmark turbo (MHz)2800
Benchmark cores8
Benchmark threads per core2
Benchmark threads16