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Differences What are the advantages of each

Front view of Intel Pentium B915C

Reasons to consider the
Intel Pentium B915C

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Much lower typical power consumption 12.19W vs 152.93W 12.5x lower typical power consumption
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual home energy cost 3.61 $/year vs 54.06 $/year 15x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 152.42 $/year 11.6x lower annual commercial energy cost
Newer Apr, 2012 vs Nov, 2009 Release date over 2 years later
Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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Much higher clock speed 3.4 GHz vs 1.5 GHz More than 2.2x 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) 4.05 GHz vs 1.5 GHz Around 2.8x better overclocked clock speed (Air)
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.22 GHz vs 1.5 GHz More than 2.8x better overclocked clock speed (Water)

Features Key features of the Pentium B915C  vs Phenom II X4 965 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Pentium B915C
1.5 GHz
Phenom II X4 965
4.05 GHz

overclocked clock speed (water)

Pentium B915C
1.5 GHz
Phenom II X4 965
4.22 GHz

Specifications Full list of technical specs

summary

Pentium B915C  vs
Phenom II X4 965 
Clock speed 1.5 GHz 3.4 GHz
Cores Dual core Quad core

features

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

power consumption

TDP 15W 140W
Annual home energy cost 3.61 $/year 54.06 $/year
Annual commercial energy cost 13.14 $/year 152.42 $/year
Typical power consumption 12.19W 152.93W

details

Pentium B915C  vs
Phenom II X4 965 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.5 GHz 4.05 GHz
Overclocked clock speed (Water) 1.5 GHz 4.22 GHz
Overclocked clock speed (Air) 1.5 GHz 4.05 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 B915C
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AMD Phenom II X4 965
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