CPUBoss Review Our evaluation of E5-4640 v3 vs 4790K 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its single-core performance and value.

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VS
Front view of Intel Core i7 4790K

Intel Core i7 4790K

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5-4640 v3

Reasons to consider the
Intel Xeon E5-4640 v3

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Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 12 vs 4 Three times as many cores; run more applications at once
More threads 24 vs 8 Three times as many threads
Supports more RAM 786,432 MB vs 32,768 MB Supports 24x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Slightly better PassMark score 12,121 vs 11,194 Around 10% better PassMark score
Newer Apr, 2015 vs Apr, 2014 Release date a year later
Slightly higher Maximum operating temperature 77.6 °C vs 74.04 °C Around 5% higher Maximum operating temperature
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher clock speed 4 GHz vs 1.9 GHz More than 2x higher clock speed
Much higher turbo clock speed 4.4 GHz vs 2.6 GHz Around 70% higher turbo clock speed
Much better performance per dollar 3.69 pt/$ vs 0.12 pt/$ Around 32x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per watt 11.42 pt/W vs 3.15 pt/W More than 3.5x better performance per watt
Much better PassMark (Single core) score 2,530 vs 1,492 Around 70% better PassMark (Single core) score
Lower typical power consumption 71.5W vs 85.31W More than 15% lower typical power consumption
Lower annual commercial energy cost 77.09 $/year vs 91.98 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 21.2 $/year vs 25.29 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-4640 v3 vs Core i7 4790K

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-4640 v3  vs
Core i7 4790K 
Clock speed 1.9 GHz 4 GHz
Turbo clock speed 2.6 GHz 4.4 GHz
Cores Duodeca core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum memory size 786,432 MB 32,768 MB

details

Xeon E5-4640 v3  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 24 8
Manufacture process 22 nm 22 nm
Max CPUs 4 1
Operating temperature Unknown - 77.6°C Unknown - 74.04°C

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

power consumption

TDP 105W 88W
Annual home energy cost 25.29 $/year 21.2 $/year
Annual commercial energy cost 91.98 $/year 77.09 $/year
Performance per watt 3.15 pt/W 11.42 pt/W
Typical power consumption 85.31W 71.5W

bus

Architecture QPI DMI 2.0
Number of links 2 0
Transfer rate 8,000 MT/s 5,000 MT/s
Intel Xeon E5-4640 v3
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Intel Core i7 4790K
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