Essentials

Product Collection Intel Xeon Processor E5 Family
Code Name Products formerly Sandy Bridge EP
Vertical Segment Server
Processor Number E5-4640
Status Discontinued
Launch Date Q2'12
Expected Discontinuance Q2'15
Lithography 32 nm

Performance

# of Cores 8
# of Threads 16
Processor Base Frequency 2.40 GHz
Max Turbo Frequency 2.80 GHz
Cache 20 MB Intel Smart Cache
Bus Speed 8 GT/s
# of QPI Links 2
TDP 95 W
VID Voltage Range 0.6V-1.35V

Supplemental Information

Embedded Options Available No

Memory Specifications

Max Memory Size (dependent on memory type) 384 GB
Memory Types DDR3 800/1066/1333/1600
Max # of Memory Channels 4
Max Memory Bandwidth 51.2 GB/s
ECC Memory Supported Yes

Expansion Options

Scalability 4S Only
PCI Express Revision 3.0
Max # of PCI Express Lanes 40

Package Specifications

Sockets Supported FCLGA2011
Max CPU Configuration 4
Package Size 52.5mm x 45.0mm

Advanced Technologies

Intel Turbo Boost Technology 2.0
Intel vPro Platform Eligibility No
Intel Hyper-Threading Technology Yes
Intel Virtualization Technology (VT-x) Yes
Intel Virtualization Technology for Directed I/O (VT-d) Yes
Intel VT-x with Extended Page Tables (EPT) Yes
Intel 64 Yes
Instruction Set 64-bit
Instruction Set Extensions Intel AVX
Idle States Yes
Enhanced Intel SpeedStep Technology Yes
Intel Demand Based Switching Yes
Thermal Monitoring Technologies Yes
Intel Flex Memory Access Yes

Security & Reliability

Intel AES New Instructions Yes
Intel Trusted Execution Technology Yes
Execute Disable Bit Yes