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Differences What are the advantages of each

Front view of Intel Pentium 4 520J

Reasons to consider the
Intel Pentium 4 520J

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Significantly higher clock speed 2.8 GHz vs 1.9 GHz More than 45% higher clock speed
Much better overclocked clock speed (Air) 3.77 GHz vs 2.34 GHz More than 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.16 GHz vs 1.9 GHz Around 2.2x better overclocked clock speed (Water)
Front view of AMD A8 4500M

Reasons to consider the
AMD A8 4500M

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much lower typical power consumption 28.44W vs 68.25W 2.4x lower typical power consumption
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 100 °C vs 67.7 °C Around 50% higher Maximum operating temperature
Newer May, 2012 vs Apr, 2004 Release date over 8 years later
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 8.43 $/year vs 20.24 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 73.58 $/year 2.4x lower annual commercial energy cost

Features Key features of the Pentium 4 520J  vs A8 4500M 

clock speed

Pentium 4 520J
2.8 GHz
A8 4500M
1.9 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 520J
3.77 GHz
A8 4500M
2.34 GHz

overclocked clock speed (water)

Pentium 4 520J
4.16 GHz
A8 4500M
1.9 GHz

TDP

Specifications Full list of technical specs

summary

Pentium 4 520J  vs
A8 4500M 
Clock speed 2.8 GHz 1.9 GHz
Cores Single core Quad core

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling No Yes

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7640G
Latest DirectX N/A 11.0
GPU clock speed N/A 496 MHz
Turbo clock speed N/A 685 MHz

details

Pentium 4 520J  vs
A8 4500M 
Threads 2 4
L2 cache 1 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 32 nm
Transistor count 125,000,000 1,303,000,000
Max CPUs 1 1
Clock multiplier 14 19
Voltage range 1.29 - 1.4V 0.81 - 1.3V
Operating temperature Unknown - 67.7°C Unknown - 100°C

overclocking

Overclocked clock speed 3.77 GHz 2.34 GHz
Overclocked clock speed (Water) 4.16 GHz 1.9 GHz
PassMark (Overclocked) 579.4 1,054.9
Overclocked clock speed (Air) 3.77 GHz 2.34 GHz

power consumption

TDP 84W 35W
Annual home energy cost 20.24 $/year 8.43 $/year
Annual commercial energy cost 73.58 $/year 30.66 $/year
Typical power consumption 68.25W 28.44W
Intel Pentium 4 520J
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AMD A8 4500M
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