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Differences What are the advantages of each

Front view of Intel Celeron 927UE

Reasons to consider the
Intel Celeron 927UE

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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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 13.81W vs 77.19W 5.6x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 71 °C Around 50% higher Maximum operating temperature
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly more l3 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l3 cache per core is just OK
Newer Jan, 2013 vs May, 2010 Release date over 2 years later
Much lower annual home energy cost 4.1 $/year vs 22.89 $/year 5.6x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 83.22 $/year 5.6x lower annual commercial energy cost
Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

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Much higher clock speed 3 GHz vs 1.5 GHz 2x higher clock speed
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.57 GHz vs 1.5 GHz Around 2.5x better overclocked clock speed (Air)
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Much better overclocked clock speed (Water) 3.89 GHz vs 1.5 GHz More than 2.5x better overclocked clock speed (Water)

Features Key features of the Celeron 927UE  vs Athlon II X4 640 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Celeron 927UE
1.5 GHz
Athlon II X4 640
3.57 GHz

overclocked clock speed (water)

Celeron 927UE
1.5 GHz
Athlon II X4 640
3.89 GHz

Specifications Full list of technical specs

summary

Celeron 927UE  vs
Athlon II X4 640 
Clock speed 1.5 GHz 3 GHz
Cores Single core Quad core
Socket type
BGA 1023
AM3

features

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

power consumption

TDP 17W 95W
Annual home energy cost 4.1 $/year 22.89 $/year
Annual commercial energy cost 14.89 $/year 83.22 $/year
Typical power consumption 13.81W 77.19W

details

Celeron 927UE  vs
Athlon II X4 640 
Threads 1 4
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 1 MB 0 MB
L3 cache per core 1 MB/core 0 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 105°C Unknown - 71°C

overclocking

Overclocked clock speed 1.5 GHz 3.57 GHz
Overclocked clock speed (Water) 1.5 GHz 3.89 GHz
Overclocked clock speed (Air) 1.5 GHz 3.57 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 900 MHz N/A
Intel Celeron 927UE
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AMD Athlon II X4 640
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