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Differences What are the advantages of each

Front view of Intel Atom Z3735F

Reasons to consider the
Intel Atom Z3735F

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Much better performance per watt 60.79 pt/W vs 2.54 pt/W Around 24x better performance per watt
Much newer manufacturing process 22 nm vs 45 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
Much lower typical power consumption 1.79W vs 36.56W 20.5x lower typical power consumption
Newer Apr, 2014 vs May, 2010 Release date over 4 years later
Significantly higher Maximum operating temperature 90 °C vs 72 °C 25% higher Maximum operating temperature
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much lower annual commercial energy cost 1.93 $/year vs 39.42 $/year 20.5x lower annual commercial energy cost
Much lower annual home energy cost 0.53 $/year vs 10.84 $/year 20.5x lower annual home energy cost
Front view of AMD Athlon II X2 245e

Reasons to consider the
AMD Athlon II X2 245e

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Much higher clock speed 2.9 GHz vs 1.33 GHz Around 2.2x higher clock speed
Much better overclocked clock speed (Air) 4.2 GHz vs 1.63 GHz More than 2.5x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better geekbench 3 single core score 1,530 vs 778 More than 95% better geekbench 3 single core score
Significantly better overclocked clock speed (Water) 2.9 GHz vs 1.83 GHz Around 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Atom Z3735F vs Athlon II X2 245e

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

Atom Z3735F
279,850 MB/s
Athlon II X2 245e
118,650 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom Z3735F  vs
Athlon II X2 245e 
Clock speed 1.33 GHz 2.9 GHz
Cores Quad core Dual core
Socket type
BGA 592
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 2.2W 45W
Annual home energy cost 0.53 $/year 10.84 $/year
Annual commercial energy cost 1.93 $/year 39.42 $/year
Performance per watt 60.79 pt/W 2.54 pt/W
Typical power consumption 1.79W 36.56W

details

Atom Z3735F  vs
Athlon II X2 245e 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 90°C Unknown - 72°C

overclocking

Overclocked clock speed 1.63 GHz 4.2 GHz
Overclocked clock speed (Water) 1.83 GHz 2.9 GHz
Overclocked clock speed (Air) 1.63 GHz 4.2 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
GPU clock speed 311 MHz N/A
Turbo clock speed 646 MHz N/A
Intel Atom Z3735F
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AMD Athlon II X2 245e
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