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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
Higher turbo clock speed 3.3 GHz vs 3 GHz Around 10% higher turbo clock speed
Significantly better overclocked clock speed (Air) 3.13 GHz vs 2.1 GHz Around 50% better overclocked clock speed (Air)
Slightly lower typical power consumption 93.44W vs 97.5W Around 5% lower typical power consumption
Better overclocked clock speed (Water) 3.08 GHz vs 2.55 GHz More than 20% better overclocked clock speed (Water)
Slightly lower annual home energy cost 27.7 $/year vs 28.91 $/year Around 5% lower annual home energy cost
Slightly lower annual commercial energy cost 100.74 $/year vs 105.12 $/year Around 5% lower annual commercial energy cost
Front view of Intel E5-2683V4

Reasons to consider the
Intel E5-2683V4

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Much more l3 cache 40 MB vs 20 MB 2x 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 16 vs 8 Twice as many cores; run more applications at once
More threads 32 vs 16 Twice as many threads
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Newer Jan, 2016 vs Mar, 2012 Release date over 3 years later
Higher Maximum operating temperature 84 °C vs 80 °C 5% higher Maximum operating temperature

Features Key features of the Xeon E5-2670  vs E5-2683V4 

clock speed

Xeon E5-2670
2.6 GHz
E5-2683V4
2.1 GHz

turbo clock speed

Xeon E5-2670
3.3 GHz
E5-2683V4
3 GHz

L3 cache

Xeon E5-2670
20 MB
E5-2683V4
40 MB

overclocked clock speed (air)

Xeon E5-2670
3.13 GHz
E5-2683V4
2.1 GHz

overclocked clock speed (water)

Xeon E5-2670
3.08 GHz
E5-2683V4
2.55 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
E5-2683V4 
Clock speed 2.6 GHz 2.1 GHz
Turbo clock speed 3.3 GHz 3 GHz
Cores Octa core 16 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 120W
Annual home energy cost 27.7 $/year 28.91 $/year
Annual commercial energy cost 100.74 $/year 105.12 $/year
Typical power consumption 93.44W 97.5W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 76,800 MB/s
Transfer rate 8,000 MT/s 9,600 MT/s
Clock speed 4,000 MHz 4,800 MHz

details

Xeon E5-2670  vs
E5-2683V4 
Architecture x86-64 x86-64
Threads 16 32
L3 cache 20 MB 40 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 80°C Unknown - 84°C

overclocking

Overclocked clock speed 3.13 GHz 2.1 GHz
Overclocked clock speed (Water) 3.08 GHz 2.55 GHz
Overclocked clock speed (Air) 3.13 GHz 2.1 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
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 393,216 MB 1,572,864 MB
Intel Xeon E5-2670
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Intel E5-2683V4
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