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Intel Xeon E5 2620 v2

Front view of Intel Xeon E5 2620 v2
Front view of Intel Xeon E5-2420

Intel Xeon E5-2420

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Differences What are the advantages of each

Front view of Intel Xeon E5 2620 v2

Reasons to consider the
Intel Xeon E5 2620 v2

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Significantly higher clock speed 2.1 GHz vs 1.9 GHz More than 10% higher clock speed
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Higher turbo clock speed 2.6 GHz vs 2.4 GHz Around 10% higher turbo clock speed
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Significantly better overclocked clock speed (Water) 2.1 GHz vs 1.9 GHz More than 10% better overclocked clock speed (Water)
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Newer Jul, 2013 vs May, 2012 Release date over 1 years later
Front view of Intel Xeon E5-2420

Reasons to consider the
Intel Xeon E5-2420

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Better overclocked clock speed (Air) 2.36 GHz vs 2.25 GHz Around 5% better overclocked clock speed (Air)

Benchmarks Real world tests of Xeon E5 2620 v2 vs E5-2420

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5 2620 v2
12,819
Xeon E5-2420
10,344

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5 2620 v2
2,070
Xeon E5-2420
1,754

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2620 v2
1,400,000 MB/s
Xeon E5-2420
985,150 MB/s

Specifications Full list of technical specs

summary

 Xeon E5 2620 v2  vs
E5-2420 
Clock speed 2.1 GHz 1.9 GHz
Turbo clock speed 2.6 GHz 2.4 GHz
Cores Hexa core Hexa core
Is unlocked No Yes

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 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Performance per watt 12.06 pt/W 5.47 pt/W
Typical power consumption 65W 77.19W

bus
Architecture QPI QPI
Number of links 2 1
Data rate 57,600 MB/s 28,800 MB/s
Transfer rate 7,200 MT/s 7,200 MT/s
Clock speed 3,600 MHz 3,600 MHz

details

 Xeon E5 2620 v2  vs
E5-2420 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 1.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 2

overclocking
Overclocked clock speed 2.25 GHz 2.36 GHz
Overclocked clock speed (Water) 2.1 GHz 1.9 GHz
Overclocked clock speed (Air) 2.25 GHz 2.36 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 Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 31,999.98 MB/s
Maximum memory size 786,432 MB 393,216 MB
Intel Xeon E5 2620 v2
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Intel Xeon E5-2420
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