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Differences What are the advantages of each

Front view of Intel Xeon E5-4617

Reasons to consider the
Intel Xeon E5-4617

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Much better geekbench 3 Multi-Core score 35,383 vs 12,538 More than 2.8x better geekbench 3 Multi-Core score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
Much lower typical power consumption 105.63W vs 139.6W Around 25% lower typical power consumption
More l3 cache 15 MB vs 10 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 6 vs 4 2 more cores; run more applications at once
Supports more RAM 393,216 MB vs 65,771.52 MB Supports around 6x more RAM
Much lower annual home energy cost 31.32 $/year vs 49.49 $/year More than 35% lower annual home energy cost
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Significantly lower annual commercial energy cost 113.88 $/year vs 138.93 $/year Around 20% lower annual commercial energy cost
Newer May, 2012 vs Feb, 2012 Release date 3 months later
Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

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Much better performance per dollar 4.08 pt/$ vs 0.26 pt/$ More than 15.8x better performance per dollar
Higher clock speed 3.6 GHz vs 2.9 GHz Around 25% higher clock speed
Higher turbo clock speed 3.8 GHz vs 3.4 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 4.68 GHz vs 2.9 GHz More than 60% better overclocked clock speed (Air)
Significantly better performance per watt 6.18 pt/W vs 3.2 pt/W Around 95% better performance per watt
Better geekbench 3 single core score 3,098 vs 2,644 More than 15% better geekbench 3 single core score
More threads 8 vs 6 2 more threads
Much better overclocked clock speed (Water) 4.71 GHz vs 2.9 GHz More than 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-4617 vs Core i7 3820

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-4617
35,383
Core i7 3820
12,538

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-4617
2,000 MB/s
Core i7 3820
2,500,000 MB/s

Specifications Full list of technical specs

summary

Xeon E5-4617  vs
Core i7 3820 
Clock speed 2.9 GHz 3.6 GHz
Turbo clock speed 3.4 GHz 3.8 GHz
Cores Hexa core Quad core
Socket type
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 130W 130W
Annual home energy cost 31.32 $/year 49.49 $/year
Annual commercial energy cost 113.88 $/year 138.93 $/year
Performance per watt 3.2 pt/W 6.18 pt/W
Typical power consumption 105.63W 139.6W

bus

Architecture QPI DMI 2.0
Number of links 2 1
Transfer rate 7,200 MT/s 5,000 MT/s

details

Xeon E5-4617  vs
Core i7 3820 
Architecture x86-64 x86-64
Threads 6 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 15 MB 10 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 1
Voltage range 0.6 - 1.35V 0.6 - 1.35V

overclocking

Overclocked clock speed 2.9 GHz 4.68 GHz
Overclocked clock speed (Water) 2.9 GHz 4.71 GHz
Overclocked clock speed (Air) 2.9 GHz 4.68 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 No
Maximum bandwidth 51,200 MB/s 51,200 MB/s
Maximum memory size 393,216 MB 65,771.52 MB
Intel Xeon E5-4617
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Intel Core i7 3820
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