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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 Maximum operating temperature 81.3 °C vs 73 °C More than 10% higher Maximum operating temperature
Higher clock speed 2.66 GHz vs 2.6 GHz Almost the same
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% 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
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Front view of Intel Xeon E7-4860 v2

Reasons to consider the
Intel Xeon E7-4860 v2

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Much more l3 cache 30 MB vs 12 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 1,572,864 MB vs 294,912 MB Supports more than 5.2x more RAM
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 24 vs 12 Twice as many threads
Higher turbo clock speed 3.2 GHz vs 3.06 GHz Around 5% higher turbo clock speed
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
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Newer Feb, 2014 vs Mar, 2010 Release date over 3 years later

Features Key features of the Xeon X5650  vs E7-4860 v2 

clock speed

Xeon X5650
2.66 GHz
Xeon E7-4860 v2
2.6 GHz

turbo clock speed

Xeon X5650
3.06 GHz
Xeon E7-4860 v2
3.2 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon X5650  vs
E7-4860 v2 
Clock speed 2.66 GHz 2.6 GHz
Turbo clock speed 3.06 GHz 3.2 GHz
Cores Hexa core Duodeca core
Socket type
LGA 1366
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 130W
Annual home energy cost 22.89 $/year 31.32 $/year
Annual commercial energy cost 83.22 $/year 113.88 $/year
Typical power consumption 77.19W 105.63W

bus

Architecture QPI QPI
Number of links 2 3
Data rate 51,200 MB/s 96,000 MB/s
Transfer rate 6,400 MT/s 8,000 MT/s
Clock speed 3,200 MHz 4,000 MHz

details

Xeon X5650  vs
E7-4860 v2 
Architecture x86-64 x86-64
Threads 12 24
L2 cache 2 MB 3 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 30 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 4
Clock multiplier 20 26
Operating temperature Unknown - 81.3°C Unknown - 73°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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 51,200 MB/s
Maximum memory size 294,912 MB 1,572,864 MB
Intel Xeon X5650
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Intel Xeon E7-4860 v2
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