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Differences What are the advantages of each

Front view of Intel Pentium D 960

Reasons to consider the
Intel Pentium D 960

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Much higher clock speed 3.6 GHz vs 3 GHz More than 20% higher clock speed
Better overclocked clock speed (Air) 4.33 GHz vs 4.22 GHz Almost the same
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much better PassMark score 2,160 vs 823 More than 2.5x better PassMark score
Much better geekbench 2 (32-bit) score 2,826 vs 1,408 More than 2x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.83 pt/W vs 0.73 pt/W More than 2.5x better performance per watt
Much lower typical power consumption 52.81W vs 105.63W 2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly higher Maximum operating temperature 72.4 °C vs 68.6 °C More than 5% higher Maximum operating temperature
Much lower annual commercial energy cost 56.94 $/year vs 113.88 $/year 2x lower annual commercial energy cost
Much lower annual home energy cost 15.66 $/year vs 31.32 $/year 2x lower annual home energy cost
Much better overclocked clock speed (Water) 4.23 GHz vs 3.6 GHz Around 20% better overclocked clock speed (Water)
Newer Jan, 2008 vs Apr, 2006 Release date over 1 years later

Benchmarks Real world tests of Pentium D 960 vs Core2 Duo E8400

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 D 960
129,900 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium D 960  vs
Core2 Duo E8400 
Clock speed 3.6 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

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

power consumption

TDP 130W 65W
Annual home energy cost 31.32 $/year 15.66 $/year
Annual commercial energy cost 113.88 $/year 56.94 $/year
Performance per watt 0.73 pt/W 1.83 pt/W
Typical power consumption 105.63W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,333 MHz

details

Pentium D 960  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 6 MB
L2 cache per core 2 MB/core 3 MB/core
Manufacture process 65 nm 45 nm
Transistor count 376,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 18 9
Voltage range 1.2 - 1.34V 0.85 - 1.36V
Operating temperature Unknown - 68.6°C Unknown - 72.4°C

overclocking

Overclocked clock speed 4.33 GHz 4.22 GHz
Overclocked clock speed (Water) 3.6 GHz 4.23 GHz
Overclocked clock speed (Air) 4.33 GHz 4.22 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 960
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Intel Core2 Duo E8400
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