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Differences What are the advantages of each

Front view of Intel Xeon Phi 3120P

Reasons to consider the
Intel Xeon Phi 3120P

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Much more l2 cache 28.5 MB vs 1 MB 28.5x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 228 vs 8 220 more threads
More cores 57 vs 4 53 more cores; run more applications at once
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Apr, 2013 vs Jan, 2011 Release date over 2 years later
Front view of Intel Core i7 2600

Reasons to consider the
Intel Core i7 2600

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Much higher clock speed 3.4 GHz vs 1.1 GHz More than 3x higher clock speed
Much lower typical power consumption 114.5W vs 243.75W 2.1x lower typical power consumption
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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 3.93 GHz vs 1.1 GHz More than 3.5x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual commercial energy cost 112.13 $/year vs 262.8 $/year 2.3x lower annual commercial energy cost
Much lower annual home energy cost 41.87 $/year vs 72.27 $/year More than 40% lower annual home energy cost
Much better overclocked clock speed (Water) 3.92 GHz vs 1.1 GHz More than 3.5x better overclocked clock speed (Water)

Features Key features of the Xeon Phi 3120P  vs Core i7 2600 

clock speed

Xeon Phi 3120P
1.1 GHz
Core i7 2600
3.4 GHz

L2 cache

overclocked clock speed (air)

Xeon Phi 3120P
1.1 GHz
Core i7 2600
3.93 GHz

overclocked clock speed (water)

Xeon Phi 3120P
1.1 GHz
Core i7 2600
3.92 GHz

Specifications Full list of technical specs

summary

Xeon Phi 3120P  vs
Core i7 2600 
Clock speed 1.1 GHz 3.4 GHz
Cores 57 cores Quad core
Socket type
PCI Express x16
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling No Yes

power consumption

TDP 300W 95W
Annual home energy cost 72.27 $/year 41.87 $/year
Annual commercial energy cost 262.8 $/year 112.13 $/year
Typical power consumption 243.75W 114.5W

bus

Architecture FSB DMI
Number of links 1 1

details

Xeon Phi 3120P  vs
Core i7 2600 
Architecture x86-64 x86-64
Threads 228 8
L2 cache 28.5 MB 1 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 8 1

overclocking

Overclocked clock speed 1.1 GHz 3.93 GHz
Overclocked clock speed (Water) 1.1 GHz 3.92 GHz
Overclocked clock speed (Air) 1.1 GHz 3.93 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Latest DirectX N/A 10.x
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,350 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
GDDR5
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum memory size 6,144 MB 32,768 MB
Intel Xeon Phi 3120P
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Intel Core i7 2600
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