General information
Type CPU / Microprocessor
Market segment Desktop
Family Intel Core 2 Quad
Model number ? Q8400
CPU part numbers
AT80580PJ0674ML is an OEM/tray microprocessor
AT80580PJ067HL is an OEM/tray microprocessor
BX80580Q8400 is a boxed processor with fan and heatsink (English version)
BXC80580Q8400 is a boxed processor with fan and heatsink (Chinese version)
Frequency ? 2.667 GHz / 2667 MHz
Bus speed ? 1333 MHz
Clock multiplier ? 8
Package 775-land Flip-Chip Land Grid Array (FC-LGA8)
Socket Socket 775 / T / LGA775
Size 1.48" x 1.48" / 3.75cm x 3.75cm
Introduction date Apr 19, 2009
End-of-Life date Last order date is August 26, 2011
Last shipment date for tray processors is February 10, 2012
Price at introduction $183
S-spec numbers
Part number ES/QS processors Production processors
QLQN SLGT6
AT80580PJ0674ML +
AT80580PJ067HL +
BX80580Q8400 +
BXC80580Q8400 +
Architecture / Microarchitecture
Instruction set x86
Microarchitecture Core
Processor core ? Yorkfield
Core stepping ? R0
CPUIDs 1067A
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 instruction caches
4 x 32 KB data caches
Level 2 cache size ? 2 x 2 MB
Multiprocessing Uniprocessor
Extensions & Technologies
MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4.1 / Streaming SIMD Extensions 4.1 ?
EM64T / Extended Memory 64 technology / Intel 64 ?
VT-x / Virtualization technology ?
Security Features NX / XD / Execute disable bit ?
Low power features
Enhanced Intel SpeedStep technology ?
Stop Grant state ?
Halt state
Extended Halt state
Extended Stop Grant State
Sleep state ?
Deep Sleep state ?
Deeper Sleep state ?
Integrated Graphics Processing Unit
None
Electrical / Thermal parameters
V core ? 0.85V - 1.3625V
Minimum/Maximum operating temperature ? 5°C - 71.4°C
Thermal Design Power ? 95 Watt
