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Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much higher clock speed 2.66 GHz vs 1.9 GHz More than 40% higher clock speed
Much higher Maximum operating temperature 81.3 °C vs 70 °C More than 15% higher Maximum operating temperature
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost
Front view of Intel Xeon E7-4820 v3

Reasons to consider the
Intel Xeon E7-4820 v3

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Supports more RAM 1,572,864 MB vs 294,912 MB Supports more than 5.2x more RAM
More threads 20 vs 12 8 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Apr, 2015 vs Mar, 2010 Release date over 5 years later

Features Key features of the Xeon X5650  vs E7-4820 v3 

clock speed

Xeon X5650
2.66 GHz
Xeon E7-4820 v3
1.9 GHz

Specifications Full list of technical specs


Xeon X5650  vs
E7-4820 v3 
Clock speed 2.66 GHz 1.9 GHz
Cores Hexa core Deca core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

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 42,666.64 MB/s
Maximum memory size 294,912 MB 1,572,864 MB


Xeon X5650  vs
E7-4820 v3 
Architecture x86-64 x86-64
Threads 12 20
Manufacture process 32 nm 22 nm
Max CPUs 2 4
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

power consumption

TDP 95W 115W
Annual home energy cost 22.89 $/year 27.7 $/year
Annual commercial energy cost 83.22 $/year 100.74 $/year
Typical power consumption 77.19W 93.44W


Architecture QPI QPI
Number of links 2 3
Data rate 51,200 MB/s 76,800 MB/s
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5650
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Intel Xeon E7-4820 v3
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