Intel Core2 Quad Q8400S

older Released April, 2009

2.66 GHz
Quad core

clock speed

Core2 Quad Q8400S
2.66 GHz

3.3 GHz

Core2 Duo E8500

3.16 GHz

L2 cache

Core2 Quad Q8400S
4 MB

0.5 MB

Core2 Duo E8500

6 MB

overclocked clock speed (air)

Core2 Quad Q8400S
2.67 GHz

Core2 Duo E8500

4.46 GHz

3.43 GHz

overclocked clock speed (water)

Core2 Quad Q8400S
2.67 GHz

Core2 Duo E8500

4.4 GHz

3.46 GHz

TDP

Core2 Quad Q8400S
65W

55W

Core2 Duo E8500

65W

summary

Clock speed	2.66 GHz
Cores	Quad core
Socket type	LGA 775

features

Has a NX bit	Yes
Supports trusted computing	No
Has virtualization support	Yes
Instruction set extensions	MMX SSE SSE2 SSE4.1 SSE3 Supplemental SSE3
Supports dynamic frequency scaling	Yes

power consumption

TDP	65W
Annual home energy cost	15.66 $/year
Annual commercial energy cost	56.94 $/year
Typical power consumption	52.81W

bus

Architecture	FSB
Number of links	1
Clock speed	1,333 MHz

details

Architecture	x86-64
Threads	4 threads
L2 cache	4 MB
L2 cache per core	1 MB/core
Manufacture process	45 nm
Transistor count	456,000,000
Max CPUs	1
Clock multiplier	8
Voltage range	0.85 - 1.36V
Operating temperature	Unknown - 76.3°C

overclocking

Overclocked clock speed	2.67 GHz
Overclocked clock speed (Water)	2.67 GHz
Overclocked clock speed (Air)	2.67 GHz

integrated graphics

GPU	None
Label	None
Latest DirectX	None
Number of displays supported	None
GPU clock speed	None
Turbo clock speed	None
3DMark06	None

Report a correction

Intel Core2 Quad Q8400

Intel Core i3 3220

Intel Core2 Duo E8500

Intel Core2 Duo E8400

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