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Differences What are the advantages of each

Front view of Intel Pentium E5300

Reasons to consider the
Intel Pentium E5300

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.87 GHz vs 2.6 GHz Around 50% better overclocked clock speed (Air)
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Much better overclocked clock speed (Water) 4.33 GHz vs 2.6 GHz More than 65% better overclocked clock speed (Water)
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Front view of Intel Pentium 1403 v2

Reasons to consider the
Intel Pentium 1403 v2

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jan, 2014 vs Jan, 2008 Release date over 6 years later
Higher Maximum operating temperature 80 °C vs 74.1 °C Around 10% higher Maximum operating temperature

Features Key features of the Pentium E5300  vs 1403 v2 

clock speed

Pentium E5300
2.6 GHz
Pentium 1403 v2
2.6 GHz

L2 cache

overclocked clock speed (air)

Pentium E5300
3.87 GHz
Pentium 1403 v2
2.6 GHz

overclocked clock speed (water)

Pentium E5300
4.33 GHz
Pentium 1403 v2
2.6 GHz

Specifications Full list of technical specs

summary

Pentium E5300  vs
1403 v2 
Clock speed 2.6 GHz 2.6 GHz
Cores Dual core Dual core
Socket type
LGA 775
LGA 1356

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 80W
Annual home energy cost 15.66 $/year 19.27 $/year
Annual commercial energy cost 56.94 $/year 70.08 $/year
Typical power consumption 52.81W 65W

details

Pentium E5300  vs
1403 v2 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 0.5 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Clock multiplier 13 26
Voltage range 0.85 - 1.36V 0.65 - 1.3V
Operating temperature Unknown - 74.1°C Unknown - 80°C

overclocking

Overclocked clock speed 3.87 GHz 2.6 GHz
Overclocked clock speed (Water) 4.33 GHz 2.6 GHz
Overclocked clock speed (Air) 3.87 GHz 2.6 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 E5300
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Intel Pentium 1403 v2
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