CPUBoss Review Our evaluation of E5-2640 v3 vs E5-2620V4 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

5.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2640 v3 

CPUBoss recommends the Intel Xeon E5-2640 v3  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2640 v3

Reasons to consider the
Intel Xeon E5-2640 v3

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Much better geekbench 3 Multi-Core score 20,897 vs 8,618 Around 2.5x better geekbench 3 Multi-Core score
Much better performance per watt 24.65 pt/W vs 2.54 pt/W Around 9.8x better performance per watt
Higher clock speed 2.6 GHz vs 2.1 GHz Around 25% higher clock speed
Much better performance per dollar 2.22 pt/$ vs 0.52 pt/$ More than 4.2x better performance per dollar
Higher turbo clock speed 3.4 GHz vs 3 GHz Around 15% higher turbo clock speed
Better geekbench 3 single core score 2,889 vs 2,491 More than 15% better geekbench 3 single core score
Better overclocked clock speed (Air) 2.6 GHz vs 2.37 GHz Around 10% better overclocked clock speed (Air)
Front view of Intel E5-2620V4

Reasons to consider the
Intel E5-2620V4

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Slightly lower typical power consumption 69.06W vs 73.13W More than 5% lower typical power consumption
Newer Jan, 2016 vs Jul, 2014 Release date over 1 years later
Slightly lower annual commercial energy cost 74.46 $/year vs 78.84 $/year More than 5% lower annual commercial energy cost
Slightly lower annual home energy cost 20.48 $/year vs 21.68 $/year More than 5% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2640 v3 vs E5-2620V4

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E5-2620V4
8,618

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2640 v3
3,450,000 MB/s
E5-2620V4
3,210 MB/s

Specifications Full list of technical specs

summary

Xeon E5-2640 v3  vs
E5-2620V4 
Clock speed 2.6 GHz 2.1 GHz
Turbo clock speed 3.4 GHz 3 GHz
Cores Octa core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 90W 85W
Annual home energy cost 21.68 $/year 20.48 $/year
Annual commercial energy cost 78.84 $/year 74.46 $/year
Performance per watt 24.65 pt/W 2.54 pt/W
Typical power consumption 73.13W 69.06W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz

details

Xeon E5-2640 v3  vs
E5-2620V4 
Architecture x86-64 x86-64
Threads 16 16
L3 cache 20 MB 20 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 74.3°C Unknown - 74°C

overclocking

Overclocked clock speed 2.6 GHz 2.37 GHz
Overclocked clock speed (Water) 2.6 GHz 2.58 GHz
Overclocked clock speed (Air) 2.6 GHz 2.37 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
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 1,572,864 MB
Intel Xeon E5-2640 v3
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Intel E5-2620V4
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