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Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Higher clock speed 2.6 GHz vs 2.1 GHz Around 25% higher clock speed
Significantly better overclocked clock speed (Air) 3.13 GHz vs 2 GHz More than 55% better overclocked clock speed (Air)
Higher Maximum operating temperature 80 °C vs 69 °C More than 15% higher Maximum operating temperature
Significantly better overclocked clock speed (Water) 3.08 GHz vs 2 GHz Around 55% better overclocked clock speed (Water)
Front view of Intel E7-4809V4

Reasons to consider the
Intel E7-4809V4

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 3,145,728 MB vs 393,216 MB Supports 8x more RAM
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Apr, 2016 vs Mar, 2012 Release date over 4 years later

Features Key features of the Xeon E5-2670  vs E7-4809V4 

clock speed

Xeon E5-2670
2.6 GHz
E7-4809V4
2.1 GHz

overclocked clock speed (air)

Xeon E5-2670
3.13 GHz
E7-4809V4
2 GHz

overclocked clock speed (water)

Xeon E5-2670
3.08 GHz
E7-4809V4
2 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
E7-4809V4 
Clock speed 2.6 GHz 2.1 GHz
Cores Octa core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

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

bus

Architecture QPI FSB
Number of links 2 3
Transfer rate 8,000 MT/s 6,400 MT/s

details

Xeon E5-2670  vs
E7-4809V4 
Architecture x86-64 x86-64
Threads 16 16
Manufacture process 32 nm 14 nm
Max CPUs 2 4
Operating temperature Unknown - 80°C Unknown - 69°C

overclocking

Overclocked clock speed 3.13 GHz 2 GHz
Overclocked clock speed (Water) 3.08 GHz 2 GHz
Overclocked clock speed (Air) 3.13 GHz 2 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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 42,666.64 MB/s
Maximum memory size 393,216 MB 3,145,728 MB
Intel Xeon E5-2670
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Intel E7-4809V4
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