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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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Significantly higher clock speed 2.66 GHz vs 1.7 GHz More than 55% higher clock speed
Higher turbo clock speed 3.06 GHz vs 2.5 GHz More than 20% higher turbo clock speed
Significantly higher Maximum operating temperature 81.3 °C vs 64 °C More than 25% higher Maximum operating temperature
Front view of Intel E5-2650LV4

Reasons to consider the
Intel E5-2650LV4

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Much more l3 cache 35 MB vs 12 MB Around 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 14 vs 6 8 more cores; run more applications at once
More threads 28 vs 12 16 more threads
Supports more RAM 1,572,864 MB vs 294,912 MB Supports more than 5.2x more RAM
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Newer Jan, 2016 vs Mar, 2010 Release date over 5 years later
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost

Features Key features of the Xeon X5650  vs E5-2650LV4 

clock speed

Xeon X5650
2.66 GHz
1.7 GHz

turbo clock speed

Xeon X5650
3.06 GHz
2.5 GHz

L3 cache

Xeon X5650
12 MB
35 MB


Specifications Full list of technical specs


Xeon X5650  vs
Clock speed 2.66 GHz 1.7 GHz
Turbo clock speed 3.06 GHz 2.5 GHz
Cores Hexa core Processing Cores


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
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 294,912 MB 1,572,864 MB


Xeon X5650  vs
Architecture x86-64 x86-64
Threads 12 28
L3 cache 12 MB 35 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 32 nm 14 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

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Typical power consumption 77.19W 52.81W


Architecture QPI QPI
Number of links 2 2
Data rate 51,200 MB/s 76,800 MB/s
Transfer rate 6,400 MT/s 9,600 MT/s
Clock speed 3,200 MHz 4,800 MHz
Intel Xeon X5650
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Intel E5-2650LV4
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