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Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much higher clock speed 2.66 GHz vs 1.05 GHz More than 2.5x higher clock speed
Much better overclocked clock speed (Air) 3.84 GHz vs 1.05 GHz Around 3.8x better overclocked clock speed (Air)
Much lower typical power consumption 77.19W vs 182.81W 2.4x lower typical power consumption
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
Supports more RAM 294,912 MB vs 8,192 MB Supports 36x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 4.64 GHz vs 1.05 GHz Around 4.5x better overclocked clock speed (Water)
Much lower annual commercial energy cost 83.22 $/year vs 197.1 $/year 2.4x lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 54.2 $/year 2.4x lower annual home energy cost
Front view of Intel Xeon Phi 5110P

Reasons to consider the
Intel Xeon Phi 5110P

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Much more l2 cache 30 MB vs 2 MB 15x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 240 vs 12 228 more threads
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core
Newer Jan, 2013 vs Mar, 2010 Release date over 2 years later

Features Key features of the Xeon X5650  vs Phi 5110P 

clock speed

Xeon X5650
2.66 GHz
Xeon Phi 5110P
1.05 GHz

L2 cache

overclocked clock speed (air)

Xeon X5650
3.84 GHz
Xeon Phi 5110P
1.05 GHz

overclocked clock speed (water)

Xeon X5650
4.64 GHz
Xeon Phi 5110P
1.05 GHz

TDP

Specifications Full list of technical specs

summary

Xeon X5650  vs
Phi 5110P 
Clock speed 2.66 GHz 1.05 GHz
Cores Hexa core 60 cores
Socket type
LGA 1366
PCI Express x16

features

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

power consumption

TDP 95W 225W
Annual home energy cost 22.89 $/year 54.2 $/year
Annual commercial energy cost 83.22 $/year 197.1 $/year
Typical power consumption 77.19W 182.81W

bus

Architecture QPI FSB
Number of links 2 1

details

Xeon X5650  vs
Phi 5110P 
Architecture x86-64 x86-64
Threads 12 240
L2 cache 2 MB 30 MB
L2 cache per core 0.33 MB/core 0.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 8

overclocking

Overclocked clock speed 3.84 GHz 1.05 GHz
Overclocked clock speed (Water) 4.64 GHz 1.05 GHz
Overclocked clock speed (Air) 3.84 GHz 1.05 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR3-800
GDDR5
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum memory size 294,912 MB 8,192 MB
Intel Xeon X5650
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Intel Xeon Phi 5110P
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