CPUBoss Review Our evaluation of X6800 vs Q6600 among desktop CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core2 X6800

Reasons to consider the
Intel Core2 X6800

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Significantly higher clock speed 2.93 GHz vs 2.4 GHz More than 20% higher clock speed
Significantly lower typical power consumption 60.94W vs 85.31W Around 30% lower typical power consumption
Significantly lower annual commercial energy cost 65.7 $/year vs 91.98 $/year Around 30% lower annual commercial energy cost
Significantly lower annual home energy cost 18.07 $/year vs 25.29 $/year Around 30% lower annual home energy cost
Significantly better overclocked clock speed (Water) 4.07 GHz vs 3.6 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Higher Maximum operating temperature 62.2 °C vs 60.4 °C Around 5% higher Maximum operating temperature

Benchmarks Real world tests of Core2 X6800 vs Quad Q6600

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 X6800
125,200 MB/s
Core2 Quad Q6600
102,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core2 X6800  vs
Quad Q6600 
Clock speed 2.93 GHz 2.4 GHz
Cores Dual core Quad core
Socket type
LGA 775

features

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

power consumption

TDP 75W 105W
Annual home energy cost 18.07 $/year 25.29 $/year
Annual commercial energy cost 65.7 $/year 91.98 $/year
Performance per watt 1.59 pt/W 1.19 pt/W
Typical power consumption 60.94W 85.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,066 MHz

details

Core2 X6800  vs
Quad Q6600 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 8 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 291,000,000 582,000,000
Max CPUs 1 1
Clock multiplier 11 9
Voltage range 0.85 - 1.5V 0.85 - 1.5V
Operating temperature Unknown - 60.4°C Unknown - 62.2°C

overclocking

Overclocked clock speed 3.54 GHz 3.52 GHz
Overclocked clock speed (Water) 4.07 GHz 3.6 GHz
Overclocked clock speed (Air) 3.54 GHz 3.52 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core2 X6800
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Intel Core2 Quad Q6600
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