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NameIntel® Core™2 Quad Processor Q9505S (6M Cache, 2.83 GHz, 1333 MHz FSB)Intel® Core™2 Quad Processor Q9550 (12M Cache, 2.83 GHz, 1333 MHz FSB)
StatusLaunchedLaunched
Launch DateQ3'09Q1'08
Processor NumberQ9505SQ9550
# of Cores44
# of Threads44
Processor Base Frequency2.83 GHz2.83 GHz
Cache6 MB L2 Cache12 MB L2 Cache
Bus/Core Ratio8.5:18.5
Bus TypeFSBFSB
System Bus1333 MHz1333 MHz
FSB Parity Yes
Instruction Set 64-bit
EmbeddedNoNo
Supplemental SKUNoNo
Processing Die Lithography45 nm45 nm
Max TDP65 W95 W
VID Voltage Range0.850v - 1.3625v0.8500V - 1.3625V
1ku Bulk Budgetary Price$277.00$266.00
Memory Specifications
Graphics Specifications
Expansion Options
I/O Specifications
Networking Specifications
Package Specifications
TCASE76.3°C71.4°C
Package Size 37.5mm x 37.5mm
Processing Die Lithography45 nm45 nm
Processing Die Size164 mm2214 mm2
# of Processing Die Transistors456 million820 million
Sockets SupportedLGA775LGA775
Halogen Free Options AvailableYesYes
Advanced Technologies
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper-Threading Technology No
Intel® Virtualization Technology (VT-x)YesYes
Intel® Virtualization Technology for Directed I/O (VT-d)Yes
Intel® Trusted Execution TechnologyYesYes
Intel® 64YesYes
Idle StatesYesYes
Enhanced Intel® Speedstep TechnologyYesYes
Intel® Demand Based Switching No
Thermal Monitoring TechnologiesYesYes
Execute Disable BitYesYes