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Differences What are the advantages of each

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 higher clock speed 3 GHz vs 1.06 GHz More than 2.8x higher clock speed
Much better geekbench 2 (32-bit) score 2,826 vs 867 More than 3.2x 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
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better overclocked clock speed (Air) 4.22 GHz vs 1.07 GHz Around 4x better overclocked clock speed (Air)
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Significantly better PassMark (Single core) score 1,251 vs 348 More than 3.5x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.23 GHz vs 1.07 GHz Around 4x better overclocked clock speed (Water)
Better PassMark score 2,160 vs 276 More than 7.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
Newer Jan, 2008 vs Apr, 2006 Release date over 1 years later
Front view of Intel Core Solo U1300

Reasons to consider the
Intel Core Solo U1300

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Much lower typical power consumption 4.88W vs 52.81W 10.8x lower typical power consumption
Better performance per watt 4.19 pt/W vs 1.83 pt/W More than 2.2x better performance per watt
Much lower annual home energy cost 1.45 $/year vs 15.66 $/year 10.8x lower annual home energy cost
Much lower annual commercial energy cost 5.26 $/year vs 56.94 $/year 10.8x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Core Solo U1300

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Core Solo U1300 
Clock speed 3 GHz 1.06 GHz
Cores Dual core Single core
Socket type
LGA 775
479

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 65W 6W
Annual home energy cost 15.66 $/year 1.45 $/year
Annual commercial energy cost 56.94 $/year 5.26 $/year
Performance per watt 1.83 pt/W 4.19 pt/W
Typical power consumption 52.81W 4.88W

details

Core2 Duo E8400  vs
Core Solo U1300 
Architecture x86-64 x86
Threads 2 1
L2 cache 6 MB 2 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 151,000,000
Max CPUs 1 1
Clock multiplier 9 8
Voltage range 0.85 - 1.36V 0.85 - 1.1V

overclocking

Overclocked clock speed 4.22 GHz 1.07 GHz
Overclocked clock speed (Water) 4.23 GHz 1.07 GHz
Overclocked clock speed (Air) 4.22 GHz 1.07 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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 533 MHz
Intel Core2 Duo E8400
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Intel Core Solo U1300
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