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Differences What are the advantages of each

Front view of Intel Xeon D-1527

Reasons to consider the
Intel Xeon D-1527

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Lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost
Front view of Intel Xeon D-1521

Reasons to consider the
Intel Xeon D-1521

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Higher clock speed 2.4 GHz vs 2.2 GHz Around 10% higher clock speed
Slightly better overclocked clock speed (Air) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Water)

Features Key features of the Xeon D-1527  vs D-1521 

clock speed

Xeon D-1527
2.2 GHz
Xeon D-1521
2.4 GHz

turbo clock speed

Xeon D-1527
2.7 GHz
Xeon D-1521
2.7 GHz

overclocked clock speed (air)

Xeon D-1527
2.2 GHz
Xeon D-1521
2.4 GHz

overclocked clock speed (water)

Xeon D-1527
2.2 GHz
Xeon D-1521
2.4 GHz

TDP

Specifications Full list of technical specs

summary

Xeon D-1527  vs
D-1521 
Clock speed 2.2 GHz 2.4 GHz
Turbo clock speed 2.7 GHz 2.7 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 45W
Annual home energy cost 8.43 $/year 10.84 $/year
Annual commercial energy cost 30.66 $/year 39.42 $/year
Typical power consumption 28.44W 36.56W

bus

Architecture FSB FSB
Number of links 1 1

details

Xeon D-1527  vs
D-1521 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.2 GHz 2.4 GHz
Overclocked clock speed (Water) 2.2 GHz 2.4 GHz
Overclocked clock speed (Air) 2.2 GHz 2.4 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
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 131,072 MB 131,072 MB
Intel Xeon D-1527
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Intel Xeon D-1521
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