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Differences What are the advantages of each

Front view of Intel Xeon E5-2623 v3

Reasons to consider the
Intel Xeon E5-2623 v3

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Higher clock speed 3 GHz vs 2.6 GHz More than 15% higher clock speed
Higher turbo clock speed 3.5 GHz vs 3.2 GHz Around 10% higher turbo clock speed
Better PassMark (Single core) score 1,871 vs 1,673 More than 10% better PassMark (Single core) score
Better overclocked clock speed (Air) 3 GHz vs 2.6 GHz More than 15% better overclocked clock speed (Air)
Higher Maximum operating temperature 80.2 °C vs 73 °C Around 10% higher Maximum operating temperature
Better performance per dollar 0.68 pt/$ vs 0.57 pt/$ Around 20% better performance per dollar
Slightly better PassMark score 9,133 vs 8,061 Around 15% better PassMark score
Front view of Intel E5-2623V4

Reasons to consider the
Intel E5-2623V4

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Lower typical power consumption 69.06W vs 85.31W Around 20% lower typical power consumption
Newer Jan, 2016 vs Jul, 2014 Release date over 1 years later
Better performance per watt 2.99 pt/W vs 2.19 pt/W More than 35% better performance per watt
Lower annual commercial energy cost 74.46 $/year vs 91.98 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 20.48 $/year vs 25.29 $/year Around 20% lower annual home energy cost
Better overclocked clock speed (Water) 3.31 GHz vs 3 GHz More than 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2623 v3 vs E5-2623V4

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E5-2623V4
17,846

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2623 v3
1,890 MB/s
E5-2623V4
2,820 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2623 v3  vs
E5-2623V4 
Clock speed 3 GHz 2.6 GHz
Turbo clock speed 3.5 GHz 3.2 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 85W
Annual home energy cost 25.29 $/year 20.48 $/year
Annual commercial energy cost 91.98 $/year 74.46 $/year
Performance per watt 2.19 pt/W 2.99 pt/W
Typical power consumption 85.31W 69.06W

bus

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

details

Xeon E5-2623 v3  vs
E5-2623V4 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 10 MB 10 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 80.2°C Unknown - 73°C

overclocking

Overclocked clock speed 3 GHz 2.6 GHz
Overclocked clock speed (Water) 3 GHz 3.31 GHz
Overclocked clock speed (Air) 3 GHz 2.6 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 786,432 MB 1,572,864 MB
Intel Xeon E5-2623 v3
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Intel E5-2623V4
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