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Differences What are the advantages of each

Front view of Intel Pentium D 925

Reasons to consider the
Intel Pentium D 925

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Higher clock speed 3 GHz vs 2.66 GHz Around 15% higher clock speed
Significantly better overclocked clock speed (Air) 4.23 GHz vs 3.35 GHz More than 25% better overclocked clock speed (Air)
Slightly higher Maximum operating temperature 63.4 °C vs 60.1 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Water) 4.4 GHz vs 3.6 GHz More than 20% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E6700

Reasons to consider the
Intel Core2 Duo E6700

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Much better geekbench 2 (32-bit) score 2,396 vs 1,004 Around 2.5x better geekbench 2 (32-bit) score
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Better PassMark (Single core) score 995 vs 751 More than 30% better PassMark (Single core) score
Better performance per watt 1.69 pt/W vs 0.59 pt/W More than 2.8x better performance per watt
Slightly better PassMark score 1,703 vs 691 Around 2.5x better PassMark score
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost

Benchmarks Real world tests of Pentium D 925 vs Core2 Duo E6700

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium D 925  vs
Core2 Duo E6700 
Clock speed 3 GHz 2.66 GHz
Cores Dual core Dual core
Socket type
LGA 775
P

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 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 0.59 pt/W 1.69 pt/W
Typical power consumption 77.19W 52.81W

bus

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

details

Pentium D 925  vs
Core2 Duo E6700 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 4 MB 4 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 376,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 15 10
Voltage range 1.2 - 1.34V 0.85 - 1.5V
Operating temperature Unknown - 63.4°C Unknown - 60.1°C

overclocking

Overclocked clock speed 4.23 GHz 3.35 GHz
Overclocked clock speed (Water) 4.4 GHz 3.6 GHz
Overclocked clock speed (Air) 4.23 GHz 3.35 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 D 925
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Intel Core2 Duo E6700
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