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Differences What are the advantages of each

Front view of Intel Xeon 5128

Reasons to consider the
Intel Xeon 5128

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Much lower typical power consumption 32.5W vs 77.19W 2.4x lower typical power consumption
Much lower annual commercial energy cost 35.04 $/year vs 83.22 $/year 2.4x lower annual commercial energy cost
Much lower annual home energy cost 9.64 $/year vs 22.89 $/year 2.4x lower annual home energy cost
Front view of Intel Xeon 5050

Reasons to consider the
Intel Xeon 5050

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Much higher clock speed 3 GHz vs 1.86 GHz More than 60% higher clock speed
Much better overclocked clock speed (Air) 3.38 GHz vs 1.87 GHz More than 80% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 3 GHz vs 1.87 GHz More than 60% better overclocked clock speed (Water)

Features Key features of the Xeon 5128  vs 5050 

clock speed

Xeon 5128
1.86 GHz
Xeon 5050
3 GHz

L2 cache

Xeon 5128
4 MB
Xeon 5050
4 MB

overclocked clock speed (air)

Xeon 5128
1.87 GHz
Xeon 5050
3.38 GHz

overclocked clock speed (water)

Xeon 5128
1.87 GHz
Xeon 5050
3 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 5128  vs
5050 
Clock speed 1.86 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 771

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
MMX
SSE
SSE2
SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 40W 95W
Annual home energy cost 9.64 $/year 22.89 $/year
Annual commercial energy cost 35.04 $/year 83.22 $/year
Typical power consumption 32.5W 77.19W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 667 MHz

details

Xeon 5128  vs
5050 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 4 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 291,000,000 376,000,000
Max CPUs 2 2
Clock multiplier 7 18
Voltage range 1 - 1.5V 1.07 - 1.35V
Operating temperature Unknown - 58°C Unknown - 67°C

overclocking

Overclocked clock speed 1.87 GHz 3.38 GHz
Overclocked clock speed (Water) 1.87 GHz 3 GHz
Overclocked clock speed (Air) 1.87 GHz 3.38 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
Intel Xeon 5128
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Intel Xeon 5050
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