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Differences What are the advantages of each

Front view of Intel Xeon E5-2609

Reasons to consider the
Intel Xeon E5-2609

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Much lower typical power consumption 65W vs 113.75W Around 45% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual commercial energy cost 70.08 $/year vs 122.64 $/year Around 45% lower annual commercial energy cost
Much lower annual home energy cost 19.27 $/year vs 33.73 $/year Around 45% lower annual home energy cost
Front view of Intel Xeon E5-1620 v3

Reasons to consider the
Intel Xeon E5-1620 v3

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Much higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Much better PassMark (Single core) score 2,024 vs 980 More than 2x better PassMark (Single core) score
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Much better overclocked clock speed (Air) 3.73 GHz vs 2.4 GHz More than 55% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
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) 3.8 GHz vs 2.56 GHz Around 50% better overclocked clock speed (Water)
Newer Jul, 2014 vs Mar, 2012 Release date over 2 years later

Benchmarks Real world tests of Xeon E5-2609 vs E5-1620 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2609
1,620,000 MB/s
Xeon E5-1620 v3
4,055,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2609  vs
E5-1620 v3 
Clock speed 2.4 GHz 3.5 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
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 140W
Annual home energy cost 19.27 $/year 33.73 $/year
Annual commercial energy cost 70.08 $/year 122.64 $/year
Performance per watt 8.89 pt/W 11.61 pt/W
Typical power consumption 65W 113.75W

bus

Architecture QPI QPI
Number of links 2 0
Transfer rate 6,400 MT/s 0 MT/s
Clock speed 3,200 MHz 0 MHz

details

Xeon E5-2609  vs
E5-1620 v3 
Architecture x86-64 x86-64
Threads 4 8
L3 cache 10 MB 10 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 1
Operating temperature Unknown - 70°C Unknown - 66.2°C

overclocking

Overclocked clock speed 2.4 GHz 3.73 GHz
Overclocked clock speed (Water) 2.56 GHz 3.8 GHz
Overclocked clock speed (Air) 2.4 GHz 3.73 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
DDR3-1066
DDR3-800
DDR3
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 34,133.32 MB/s 6,400 MB/s
Maximum memory size 393,216 MB 786,432 MB
Intel Xeon E5-2609
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Intel Xeon E5-1620 v3
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