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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 1.86 GHz Around 60% higher clock speed
Much higher Maximum operating temperature 81.3 °C vs 70 °C More than 15% higher Maximum operating temperature
Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Supports more RAM 2,097,152 MB vs 294,912 MB Supports more than 7x more RAM
Much more l3 cache 18 MB vs 12 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Apr, 2011 vs Mar, 2010 Release date over 1 years later

Features Key features of the Xeon X5670  vs E7-4807 

clock speed

Xeon X5670
2.93 GHz
Xeon E7-4807
1.86 GHz

L2 cache

L3 cache

Xeon X5670
12 MB
Xeon E7-4807
18 MB


Specifications Full list of technical specs


Xeon X5670  vs
Clock speed 2.93 GHz 1.86 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366
LGA 1567


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

power consumption

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


Architecture QPI QPI
Number of links 2 1
Data rate 51,200 MB/s 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz


Xeon X5670  vs
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 18 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 4
Clock multiplier 22 14
Operating temperature Unknown - 81.3°C Unknown - 70°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

memory controller

Memory controller Built-in Built-in
Memory type
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 2,097,152 MB
Intel Xeon X5670
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Intel Xeon E7-4807
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