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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
More l2 cache 3 MB vs 2.5 MB 20% more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
More l2 cache per core 0.3 MB/core vs 0.25 MB/core Around 20% more l2 cache per core
Front view of Intel Xeon E5 2690 v2

Reasons to consider the
Intel Xeon E5 2690 v2

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Much higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
Much higher turbo clock speed 3.6 GHz vs 2.4 GHz More than 50% higher turbo clock speed
Much higher Maximum operating temperature 88 °C vs 69 °C Around 30% higher Maximum operating temperature
Much better overclocked clock speed (Air) 3.24 GHz vs 2.09 GHz Around 55% better overclocked clock speed (Air)
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
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) 3 GHz vs 2 GHz 50% better overclocked clock speed (Water)
Newer Jul, 2013 vs Apr, 2011 Release date over 2 years later

Features Key features of the Xeon E7-4850  vs E5 2690 v2 

clock speed

turbo clock speed

Xeon E7-4850
2.4 GHz
Xeon E5 2690 v2
3.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7-4850
2.09 GHz
Xeon E5 2690 v2
3.24 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E7-4850  vs
E5 2690 v2 
Clock speed 2 GHz 3 GHz
Turbo clock speed 2.4 GHz 3.6 GHz
Cores Deca core Deca 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 130W
Annual home energy cost 31.32 $/year 31.32 $/year
Annual commercial energy cost 113.88 $/year 113.88 $/year
Typical power consumption 105.63W 105.63W

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

details

Xeon E7-4850  vs
E5 2690 v2 
Architecture x86-64 x86-64
Threads 20 20
L2 cache 3 MB 2.5 MB
L2 cache per core 0.3 MB/core 0.25 MB/core
L3 cache 24 MB 25 MB
L3 cache per core 2.4 MB/core 2.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 4 2
Clock multiplier 15 30
Operating temperature Unknown - 69°C Unknown - 88°C

overclocking

Overclocked clock speed 2.09 GHz 3.24 GHz
Overclocked clock speed (Water) 2 GHz 3 GHz
Overclocked clock speed (Air) 2.09 GHz 3.24 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

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
Intel Xeon E7-4850
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Intel Xeon E5 2690 v2
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