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Differences What are the advantages of each

Front view of Intel Pentium E2140

Reasons to consider the
Intel Pentium E2140

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Much lower typical power consumption 52.81W vs 85.31W Around 40% lower typical power consumption
Much lower annual commercial energy cost 56.94 $/year vs 91.98 $/year Around 40% lower annual commercial energy cost
Much lower annual home energy cost 15.66 $/year vs 25.29 $/year Around 40% lower annual home energy cost
Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.4 GHz vs 1.6 GHz Around 50% higher clock speed
Much better PassMark score 2,970 vs 871 Around 3.5x better PassMark score
Much better PassMark (Single core) score 924 vs 585 Around 60% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 4,161 vs 1,447 Around 3x better geekbench 2 (32-bit) score
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better performance per watt 1.19 pt/W vs 0.99 pt/W More than 20% better performance per watt
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 3.52 GHz vs 3 GHz More than 15% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.6 GHz vs 3.06 GHz Around 20% better overclocked clock speed (Water)
Higher Maximum operating temperature 62.2 °C vs 61.4 °C Almost the same

Benchmarks Real world tests of Pentium E2140 vs Core2 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

Pentium E2140
68,300 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)

Specifications Full list of technical specs

summary

Pentium E2140  vs
Core2 Quad Q6600 
Clock speed 1.6 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 No Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 105W
Annual home energy cost 15.66 $/year 25.29 $/year
Annual commercial energy cost 56.94 $/year 91.98 $/year
Performance per watt 0.99 pt/W 1.19 pt/W
Typical power consumption 52.81W 85.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,066 MHz

details

Pentium E2140  vs
Core2 Quad Q6600 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 8 MB
L2 cache per core 0.5 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 105,000,000 582,000,000
Max CPUs 1 1
Clock multiplier 8 9
Voltage range 0.85 - 1.5V 0.85 - 1.5V
Operating temperature Unknown - 61.4°C Unknown - 62.2°C

overclocking

Overclock popularity 4 278
Overclocked clock speed 3 GHz 3.52 GHz
Overclocked clock speed (Water) 3.06 GHz 3.6 GHz
Overclocked clock speed (Air) 3 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 Pentium E2140
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Intel Core2 Quad Q6600
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