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Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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Significantly higher clock speed 2.93 GHz vs 2 GHz More than 45% higher clock speed
Higher turbo clock speed 3.33 GHz vs 2.6 GHz Around 30% higher turbo clock speed
Much better overclocked clock speed (Air) 4.29 GHz vs 2 GHz Around 2.2x better overclocked clock speed (Air)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much better overclocked clock speed (Water) 4.5 GHz vs 2 GHz Around 2.2x better overclocked clock speed (Water)
Supports more RAM 294,912 MB vs 131,072 MB Supports 2.2x more RAM
Front view of Intel Xeon D-1548

Reasons to consider the
Intel Xeon D-1548

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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 36.56W vs 77.19W 2.1x lower typical power consumption
Newer Oct, 2015 vs Mar, 2010 Release date over 5 years later
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Much lower annual home energy cost 10.84 $/year vs 22.89 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 83.22 $/year 2.1x lower annual commercial energy cost

Features Key features of the Xeon X5670  vs D-1548 

clock speed

Xeon X5670
2.93 GHz
Xeon D-1548
2 GHz

turbo clock speed

Xeon X5670
3.33 GHz
Xeon D-1548
2.6 GHz

overclocked clock speed (air)

Xeon X5670
4.29 GHz
Xeon D-1548
2 GHz

overclocked clock speed (water)

Xeon X5670
4.5 GHz
Xeon D-1548
2 GHz

TDP

Specifications Full list of technical specs

summary

Xeon X5670  vs
D-1548 
Clock speed 2.93 GHz 2 GHz
Turbo clock speed 3.33 GHz 2.6 GHz
Cores Hexa 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 95W 45W
Annual home energy cost 22.89 $/year 10.84 $/year
Annual commercial energy cost 83.22 $/year 39.42 $/year
Typical power consumption 77.19W 36.56W

bus

Architecture QPI FSB
Number of links 2 1

details

Xeon X5670  vs
D-1548 
Architecture x86-64 x86-64
Threads 12 16
Manufacture process 32 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 4.29 GHz 2 GHz
Overclocked clock speed (Water) 4.5 GHz 2 GHz
Overclocked clock speed (Air) 4.29 GHz 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
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 12,800 MB/s
Maximum memory size 294,912 MB 131,072 MB
Intel Xeon X5670
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Intel Xeon D-1548
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