CPUBoss Review Our evaluation of E5-4660 v3 vs E5-2665 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.1

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-4660 v3 

CPUBoss recommends the Intel Xeon E5-4660 v3  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-4660 v3

Reasons to consider the
Intel Xeon E5-4660 v3

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
More cores 14 vs 8 6 more cores; run more applications at once
More threads 28 vs 16 12 more threads
Significantly better PassMark score 18,007 vs 11,941 More than 50% better PassMark score
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Newer Apr, 2015 vs Mar, 2012 Release date over 3 years later
Better PassMark (Single core) score 1,728 vs 1,521 Around 15% better PassMark (Single core) score
Front view of Intel Xeon E5-2665

Reasons to consider the
Intel Xeon E5-2665

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Higher clock speed 2.4 GHz vs 2.1 GHz Around 15% higher clock speed
Slightly higher turbo clock speed 3.1 GHz vs 2.9 GHz More than 5% higher turbo clock speed
Much better performance per dollar 0.56 pt/$ vs 0.1 pt/$ Around 5.8x better performance per dollar
Significantly better performance per watt 7.04 pt/W vs 3.87 pt/W More than 80% better performance per watt
Slightly lower typical power consumption 93.44W vs 97.5W Around 5% lower typical power consumption
Slightly lower annual home energy cost 27.7 $/year vs 28.91 $/year Around 5% lower annual home energy cost
Slightly lower annual commercial energy cost 100.74 $/year vs 105.12 $/year Around 5% lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5-4660 v3 vs E5-2665

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-4660 v3  vs
E5-2665 
Clock speed 2.1 GHz 2.4 GHz
Turbo clock speed 2.9 GHz 3.1 GHz
Cores Processing Cores Octa 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

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 393,216 MB

details

Xeon E5-4660 v3  vs
E5-2665 
Architecture x86-64 x86-64
Threads 28 16
Manufacture process 22 nm 32 nm
Max CPUs 4 2
Operating temperature Unknown - 82.5°C Unknown - 81.8°C

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

power consumption

TDP 120W 115W
Annual home energy cost 28.91 $/year 27.7 $/year
Annual commercial energy cost 105.12 $/year 100.74 $/year
Performance per watt 3.87 pt/W 7.04 pt/W
Typical power consumption 97.5W 93.44W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel Xeon E5-4660 v3
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Intel Xeon E5-2665
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