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Differences What are the advantages of each

Front view of Intel Xeon E5-2637 v3

Reasons to consider the
Intel Xeon E5-2637 v3

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Significantly more l3 cache 15 MB vs 6 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 3.5 GHz vs 3.2 GHz Around 10% higher clock speed
Much more l3 cache per core 3.75 MB/core vs 1.5 MB/core 2.5x more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports more RAM 786,432 MB vs 65,536 MB Supports 12x more RAM
Better PassMark score 10,281 vs 7,217 More than 40% better PassMark score
More threads 8 vs 4 Twice as many threads
Better PassMark (Single core) score 2,152 vs 1,951 More than 10% better PassMark (Single core) score
Higher Maximum operating temperature 76.6 °C vs 71 °C Around 10% higher Maximum operating temperature
Front view of Intel Core i5 6500

Reasons to consider the
Intel Core i5 6500

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 52.81W vs 109.69W 2.1x lower typical power consumption
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better performance per dollar 0.63 pt/$ vs 0.32 pt/$ Around 2x better performance per dollar
Much lower annual home energy cost 15.66 $/year vs 32.52 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 118.26 $/year 2.1x lower annual commercial energy cost
Better performance per watt 3.9 pt/W vs 2.34 pt/W More than 65% better performance per watt
Better overclocked clock speed (Air) 3.77 GHz vs 3.5 GHz Around 10% better overclocked clock speed (Air)
Newer Jul, 2015 vs Jul, 2014 Release date a year later
Better overclocked clock speed (Water) 4.29 GHz vs 3.5 GHz Around 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2637 v3 vs Core i5 6500

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 E5-2637 v3
4,060 MB/s
Core i5 6500
5,880 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2637 v3  vs
Core i5 6500 
Clock speed 3.5 GHz 3.2 GHz
Turbo clock speed 3.7 GHz 3.6 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
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 135W 65W
Annual home energy cost 32.52 $/year 15.66 $/year
Annual commercial energy cost 118.26 $/year 56.94 $/year
Performance per watt 2.34 pt/W 3.9 pt/W
Typical power consumption 109.69W 52.81W

bus

Architecture QPI FSB
Number of links 2 1
Transfer rate 9,600 MT/s 8,000 MT/s

details

Xeon E5-2637 v3  vs
Core i5 6500 
Architecture x86-64 x86-64
Threads 8 4
L3 cache 15 MB 6 MB
L3 cache per core 3.75 MB/core 1.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 76.6°C Unknown - 71°C

overclocking

Overclocked clock speed 3.5 GHz 3.77 GHz
Overclocked clock speed (Water) 3.5 GHz 4.29 GHz
Overclocked clock speed (Air) 3.5 GHz 3.77 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 6,400 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 65,536 MB
Intel Xeon E5-2637 v3
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Intel Core i5 6500
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