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Differences What are the advantages of each

Front view of Intel Xeon E7-4850

Reasons to consider the
Intel Xeon E7-4850

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Supports more RAM 2,097,152 MB vs 786,432 MB Supports around 2.8x more RAM
Front view of Intel Xeon E5 4650 v2

Reasons to consider the
Intel Xeon E5 4650 v2

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Much higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Significantly higher turbo clock speed 2.9 GHz vs 2.4 GHz More than 20% higher turbo clock speed
More l3 cache 25 MB vs 24 MB Around 5% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Significantly better overclocked clock speed (Air) 2.4 GHz vs 2.09 GHz Around 15% better overclocked clock speed (Air)
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 2.4 GHz vs 2 GHz Around 20% better overclocked clock speed (Water)
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
Newer Mar, 2014 vs Apr, 2011 Release date over 2 years later

Features Key features of the Xeon E7-4850  vs E5 4650 v2 

clock speed

turbo clock speed

Xeon E7-4850
2.4 GHz
Xeon E5 4650 v2
2.9 GHz

L3 cache

overclocked clock speed (air)

Xeon E7-4850
2.09 GHz
Xeon E5 4650 v2
2.4 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E7-4850  vs
E5 4650 v2 
Clock speed 2 GHz 2.4 GHz
Turbo clock speed 2.4 GHz 2.9 GHz
Cores Deca core Dodeca core
Socket type
LGA 1567
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 130W 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Typical power consumption 105.63W 77.19W

bus

Architecture QPI QPI
Number of links 1 2
Data rate 25,600 MB/s 64,000 MB/s
Transfer rate 6,400 MT/s 8,000 MT/s
Clock speed 3,200 MHz 4,000 MHz

details

Xeon E7-4850  vs
E5 4650 v2 
Architecture x86-64 x86-64
Threads 20 20
L3 cache 24 MB 25 MB
Manufacture process 32 nm 22 nm
Max CPUs 4 4
Clock multiplier 15 24
Operating temperature Unknown - 69°C Unknown - 75°C

overclocking

Overclocked clock speed 2.09 GHz 2.4 GHz
Overclocked clock speed (Water) 2 GHz 2.4 GHz
Overclocked clock speed (Air) 2.09 GHz 2.4 GHz

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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 59,733.32 MB/s
Maximum memory size 2,097,152 MB 786,432 MB
Intel Xeon E7-4850
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Intel Xeon E5 4650 v2
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