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Differences What are the advantages of each

Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Much higher clock speed 3.1 GHz vs 1.7 GHz More than 80% higher clock speed
Significantly higher turbo clock speed 3.4 GHz vs 2.3 GHz Around 50% higher turbo clock speed
Significantly better overclocked clock speed (Air) 3.49 GHz vs 2.2 GHz Around 60% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.1 GHz vs 2.2 GHz More than 40% better overclocked clock speed (Water)
Front view of Intel Xeon D-1537

Reasons to consider the
Intel Xeon D-1537

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 65W 2.3x lower typical power consumption
More threads 16 vs 4 12 more threads
More cores 8 vs 4 Twice as many cores; run more applications at once
Newer Oct, 2015 vs Apr, 2011 Release date over 4 years later
Much lower annual home energy cost 8.43 $/year vs 19.27 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 70.08 $/year 2.3x lower annual commercial energy cost
Supports more RAM 131,072 MB vs 32,768 MB Supports 4x more RAM

Features Key features of the Xeon E3-1220  vs D-1537 

clock speed

Xeon E3-1220
3.1 GHz
Xeon D-1537
1.7 GHz

turbo clock speed

Xeon E3-1220
3.4 GHz
Xeon D-1537
2.3 GHz

overclocked clock speed (air)

Xeon E3-1220
3.49 GHz
Xeon D-1537
2.2 GHz

overclocked clock speed (water)

Xeon E3-1220
3.1 GHz
Xeon D-1537
2.2 GHz

Specifications Full list of technical specs

summary

Xeon E3-1220  vs
D-1537 
Clock speed 3.1 GHz 1.7 GHz
Turbo clock speed 3.4 GHz 2.3 GHz
Cores Quad core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 35W
Annual home energy cost 19.27 $/year 8.43 $/year
Annual commercial energy cost 70.08 $/year 30.66 $/year
Typical power consumption 65W 28.44W

bus

Architecture DMI FSB
Number of links 1 1

details

Xeon E3-1220  vs
D-1537 
Architecture x86-64 x86-64
Threads 4 16
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.49 GHz 2.2 GHz
Overclocked clock speed (Water) 3.1 GHz 2.2 GHz
Overclocked clock speed (Air) 3.49 GHz 2.2 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
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 131,072 MB
Intel Xeon E3-1220
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Intel Xeon D-1537
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