Essentials
Processor Number E5640
# of Cores 4
# of Threads 8
Clock Speed 2.66 GHz
Max Turbo Frequency 2.93 GHz
Intel® Smart Cache 12 MB
Intel® QPI Speed 5.86 GT/s
# of QPI Links 2
Instruction Set 64-bit
Instruction Set Extensions SSE4.2
Embedded Options Available No
Lithography 32 nm
Max TDP 80 W
VID Voltage Range 0.750V-1.350V
Memory Specifications
Max Memory Size (dependent on memory type) 288 GB
Memory Types DDR3-800/1066
# of Memory Channels 3
Max Memory Bandwidth 25.6 GB/s
Physical Address Extensions 40-bit
ECC Memory Supported Yes
Package Specifications
Max CPU Configuration 2
TCASE 77.6°C
Package Size 42.5mm X 45mm
Sockets Supported FCLGA1366
Low Halogen Options Available See MDDS
Advanced Technologies
Intel® Turbo Boost Technology Yes
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
Idle States Yes
Enhanced Intel SpeedStep® Technology Yes
Intel® Demand Based Switching Yes
Thermal Monitoring Technologies No
Intel® Data Protection Technology
AES New Instructions Yes
Intel® Platform Protection Technology
Trusted Execution Technology Yes
Execute Disable Bit Yes