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Differences What are the advantages of each

Front view of Intel Pentium 738

Reasons to consider the
Intel Pentium 738

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Much lower typical power consumption 6.09W vs 52.81W 8.7x lower typical power consumption
Much lower annual home energy cost 1.81 $/year vs 15.66 $/year 8.7x lower annual home energy cost
Much lower annual commercial energy cost 6.57 $/year vs 56.94 $/year 8.7x lower annual commercial energy cost
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 2 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 1.4 GHz Around 2.2x higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 1.64 GHz More than 2.5x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jan, 2008 vs Jul, 2004 Release date over 3 years later
Much better overclocked clock speed (Water) 4.23 GHz vs 1.4 GHz More than 3x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once

Features Key features of the Pentium 738  vs Core2 Duo E8400 

clock speed

L2 cache

overclocked clock speed (air)

Pentium 738
1.64 GHz
Core2 Duo E8400
4.22 GHz

overclocked clock speed (water)

Pentium 738
1.4 GHz
Core2 Duo E8400
4.23 GHz

Specifications Full list of technical specs

summary

Pentium 738  vs
Core2 Duo E8400 
Clock speed 1.4 GHz 3 GHz
Cores Single core Dual core
Socket type
479
LGA 775

features

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

power consumption

TDP 7.5W 65W
Annual home energy cost 1.81 $/year 15.66 $/year
Annual commercial energy cost 6.57 $/year 56.94 $/year
Typical power consumption 6.09W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 400 MHz 1,333 MHz

details

Pentium 738  vs
Core2 Duo E8400 
Architecture x86 x86-64
Threads 1 2
L2 cache 2 MB 6 MB
L2 cache per core 2 MB/core 3 MB/core
Manufacture process 90 nm 45 nm
Transistor count 144,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 14 9
Voltage range 0.99 - 1.12V 0.85 - 1.36V

overclocking

Overclocked clock speed 1.64 GHz 4.22 GHz
Overclocked clock speed (Water) 1.4 GHz 4.23 GHz
Overclocked clock speed (Air) 1.64 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 738
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Intel Core2 Duo E8400
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