Intel Core 2 Quad Q9400 2.6 GHz Quad-Core Quad-Thread CPU Processor 6M 95W LGA 775 Intel Core 2 Quad Q9400 2.6 GHz Quad-Core Quad-Thread CPU Processor 6M 95W LGA 775 Intel Core 2 Quad Q9400 2.6 GHz Quad-Core Quad-Thread CPU Processor 6M 95W LGA 775 Intel Core 2 Quad Q9400 2.6 GHz Quad-Core Quad-Thread CPU Processor 6M 95W LGA 775
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Intel Core 2 Quad Q9400 specifications
The specs can be used for short-term
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General information
Type CPU / Microprocessor
Market segment Desktop
Family Intel Core 2 Quad
Model number ? Q9400
CPU part numbers
AT80580PJ0676M is an OEM/tray microprocessor
BX80580Q9400 is a boxed processor with fan and heatsink (English version)
BXC80580Q9400 is a boxed processor with fan and heatsink (Chinese version)
Frequency ? 2667 MHz
Bus speed ? 1333 MHz
Clock multiplier ? 8
Package 775-land Flip-Chip Land Grid Array (FC-LGA8)
1.48″ x 1.48″ (3.75 cm x 3.75 cm)
Socket Socket 775
Introduction date Aug 10, 2008
Price at introduction $266
S-spec numbers
Part number ES/QS processors Production processors
QHHU SLB6B
AT80580PJ0676M + +
BX80580Q9400 +
BXC80580Q9400 +
Architecture / Microarchitecture
Microarchitecture Core
Processor core ? Yorkfield
Core stepping ? R0 (QHHU, SLB6B)
CPUID 1067A (QHHU, SLB6B)
Manufacturing process 0.045 micron
456 million transistors
Die 164mm2
Data width 64 bit
The number of CPU cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size ? 4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size ? 2 x 3 MB 12-way set associative caches (each L2 cache is shared between 2 cores)
Multiprocessing Uniprocessor
Features
MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
EM64T / Extended Memory 64 technology / Intel 64 ?
NX / XD / Execute disable bit ?
SSE4.1 / Streaming SIMD Extensions 4.1 ?
VT-x / Virtualization technology ?
VT-d / Virtualization for directed I/O
TXT / Trusted Execution technology
Low power features
Enhanced SpeedStep technology ?
Stop Grant state ?
Halt state
Extended Halt state
Extended Stop Grant State
Sleep state ?
Deep Sleep state ?
Deeper Sleep state ?
Integrated peripherals / components
Integrated graphics None
Electrical / Thermal parameters
V core ? 0.85V – 1.3625V
Minimum/Maximum operating temperature ? 5°C – 71.4°C
Minimum/Maximum power dissipation ? 12 Watt (TDP in extended HALT state) / 132.48 Watt
Thermal Design Power ? 95 Watt
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