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Intel Pentium E5400

Front view of Intel Pentium E5400
Front view of Intel Core2 Duo E7400

Intel Core2 Duo E7400

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Differences What are the advantages of each

Front view of Intel Pentium E5400

Reasons to consider the
Intel Pentium E5400

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Newer Jan, 2009 vs Jan, 2008 Release date a year later
Front view of Intel Core2 Duo E7400

Reasons to consider the
Intel Core2 Duo E7400

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Higher clock speed 2.8 GHz vs 2.7 GHz Around 5% higher clock speed
Better overclocked clock speed (Air) 3.91 GHz vs 3.75 GHz Around 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.58 GHz vs 4.49 GHz Almost the same

Benchmarks Real world tests of Pentium E5400 vs Core2 Duo E7400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium E5400
2,581
Core2 Duo E7400
2,714

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium E5400
1,400
Core2 Duo E7400
1,481

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium E5400
114,800 MB/s
Core2 Duo E7400
119,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium E5400
2,391
Core2 Duo E7400
2,543

GeekBench (64-bit) Data courtesy Primate Labs

Pentium E5400
2,704
Core2 Duo E7400
2,834

GeekBench

Pentium E5400
4,486
Core2 Duo E7400
4,400

PassMark Data courtesy Passmark

Pentium E5400
1,632
Core2 Duo E7400
1,779

PassMark (Single Core)

Pentium E5400
1,091
Core2 Duo E7400
1,147

Specifications Full list of technical specs

summary

 Pentium E5400  vs
Core2 Duo E7400 
Clock speed 2.7 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
LGA 775

features
Has a NX bit Yes Yes
Supports trusted computing No 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 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.73 pt/W 1.52 pt/W
Typical power consumption 52.81W 52.81W

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

details

 Pentium E5400  vs
Core2 Duo E7400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 3 MB
L2 cache per core 1 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 228,000,000 228,000,000
Max CPUs 1 1
Clock multiplier 13 10
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 74.1°C Unknown - 74.1°C

overclocking
Overclocked clock speed 3.75 GHz 3.91 GHz
Overclocked clock speed (Water) 4.49 GHz 4.58 GHz
Overclocked clock speed (Air) 3.75 GHz 3.91 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 E5400
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Intel Core2 Duo E7400
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