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Differences What are the advantages of each

Front view of AMD Phenom II X2 545

Reasons to consider the
AMD Phenom II X2 545

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Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Better overclocked clock speed (Air) 3.64 GHz vs 3.58 GHz Almost the same
Better overclocked clock speed (Water) 3 GHz vs 2.8 GHz More than 5% better overclocked clock speed (Water)
Front view of AMD A4 3420

Reasons to consider the
AMD A4 3420

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
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
Newer Dec, 2011 vs Nov, 2009 Release date over 2 years later

Benchmarks Real world tests of Phenom II X2 545 vs A4 3420

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X2 545
121,300 MB/s
A4 3420
113,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X2 545  vs
A4 3420 
Clock speed 3 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
AM3
FM1

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 1.49 pt/W 1.57 pt/W
Typical power consumption 65W 52.81W

details

Phenom II X2 545  vs
A4 3420 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.88 - 1.43V 0.91 - 1.41V

overclocking

Overclocked clock speed 3.64 GHz 3.58 GHz
Overclocked clock speed (Water) 3 GHz 2.8 GHz
Overclocked clock speed (Air) 3.64 GHz 3.58 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 6410D
GPU clock speed N/A 600 MHz
AMD Phenom II X2 545
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AMD A4 3420
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