Number of cores 6 (max 16)
Number of threads 12 (max 32)
Name Intel Xeon E5645
Codename Westmere-EP
Specification Intel(R) Xeon(R) CPU E5645 @ 2.40GHz
Package (platform ID) Socket 1366 LGA (0x0)
CPUID 6.C.2
Extended CPUID 6.2C
Core Stepping B1
Technology 32 nm
TDP Limit 80 Watts
Core Speed 1617.9 MHz
Multiplier x FSB 12.0 x 134.8 MHz
Rated Bus speed 2966.2 MHz
Stock frequency 2400 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, VT-x, AES
L1 Data cache 6 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 6 x 32 KBytes, 4-way set associative, 64-byte line size
L2 cache 6 x 256 KBytes, 8-way set associative, 64-byte line size
L3 cache 12 MBytes, 16-way set associative, 64-byte line size
FID/VID Control yes
Turbo Mode supported, enabled
Max turbo frequency 2800 MHz
Max non-turbo ratio 18x
Max turbo ratio 21x
Max efficiency ratio 12x
TDC Limit 70 Amps
Core TDP 70 Watts
Uncore TDP 10 Watts
Power @ 12x 30 Watts
Power @ 13x 36 Watts
Power @ 14x 42 Watts
Power @ 15x 50 Watts
Power @ 16x 59 Watts
Power @ 17x 68 Watts
Power @ 18x 80 Watts
Max bus number 255
# of QPI Links 2
Attached device PCI device at bus 254, device 2, function 0
Attached device PCI device at bus 254, device 2, function 4
Attached device PCI device at bus 254, device 3, function 4
