Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!

Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

Report a correction
Much higher clock speed 2.93 GHz vs 1.73 GHz Around 70% higher clock speed
Much higher Maximum operating temperature 81.3 °C vs 64 °C More than 25% higher Maximum operating temperature
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
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 E7-2803

Reasons to consider the
Intel Xeon E7-2803

Report a correction
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
Supports more RAM 1,048,576 MB vs 294,912 MB Supports more than 3.5x more RAM
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Newer Apr, 2011 vs Mar, 2010 Release date over 1 years later

Features Key features of the Xeon X5670  vs E7-2803 

clock speed

Xeon X5670
2.93 GHz
Xeon E7-2803
1.73 GHz

L2 cache

L3 cache

Xeon X5670
12 MB
Xeon E7-2803
18 MB


Specifications Full list of technical specs


Xeon X5670  vs
Clock speed 2.93 GHz 1.73 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 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


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 2
Clock multiplier 22 13
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

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 1,048,576 MB
Intel Xeon X5670
Report a correction
Intel Xeon E7-2803
Report a correction


comments powered by Disqus