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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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Much higher clock speed 2.93 GHz vs 1.73 GHz Around 70% higher clock speed
Much higher turbo clock speed 3.33 GHz vs 1.73 GHz More than 90% higher turbo clock speed
Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Much higher Maximum operating temperature 81.3 °C vs 64 °C More than 25% higher Maximum operating temperature
More threads 12 vs 8 4 more threads
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Front view of Intel Xeon E6510

Reasons to consider the
Intel Xeon E6510

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Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core

Features Key features of the Xeon X5670  vs E6510 

clock speed

Xeon X5670
2.93 GHz
Xeon E6510
1.73 GHz

turbo clock speed

Xeon X5670
3.33 GHz
Xeon E6510
1.73 GHz

L2 cache

L3 cache

Xeon X5670
12 MB
Xeon E6510
12 MB


Specifications Full list of technical specs


Xeon X5670  vs
Clock speed 2.93 GHz 1.73 GHz
Turbo clock speed 3.33 GHz 1.73 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
LGA 1567


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Typical power consumption 77.19W 85.31W


Xeon X5670  vs
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 2
Operating temperature Unknown - 81.3°C Unknown - 64°C

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


Architecture QPI QPI
Number of links 2 4
Data rate 51,200 MB/s 76,800 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon X5670
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Intel Xeon E6510
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