CPUBoss Review Our evaluation of E5-2670 vs E5-2640V4 among all CPUs


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


Are you paying a premium for performance?

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


CPUBoss Score

Combination of all six facets

Intel E5-2640V4 

CPUBoss recommends the Intel E5-2640V4  based on its performance and single-core performance.

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Front view of Intel E5-2640V4

Intel E5-2640V4

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Much better performance per dollar 5.2 pt/$ vs 0.54 pt/$ Around 9.8x better performance per dollar
Higher clock speed 2.6 GHz vs 2.4 GHz Around 10% higher clock speed
Better performance per watt 7.32 pt/W vs 4.64 pt/W Around 60% better performance per watt
Higher Maximum operating temperature 80 °C vs 76 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.14 GHz vs 2.4 GHz More than 30% better overclocked clock speed (Air)
Front view of Intel E5-2640V4

Reasons to consider the
Intel E5-2640V4

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 25 MB vs 20 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Newer Jan, 2016 vs Mar, 2012 Release date over 3 years later
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Lower typical power consumption 73.13W vs 93.44W More than 20% lower typical power consumption
Better PassMark score 15,348 vs 12,270 More than 25% better PassMark score
More cores 10 vs 8 2 more cores; run more applications at once
Better PassMark (Single core) score 1,854 vs 1,590 More than 15% better PassMark (Single core) score
More threads 20 vs 16 4 more threads
Lower annual home energy cost 21.68 $/year vs 27.7 $/year More than 20% lower annual home energy cost
Lower annual commercial energy cost 78.84 $/year vs 100.74 $/year More than 20% lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5-2670 vs E5-2640V4

PassMark Data courtesy Passmark

Xeon E5-2670

PassMark (Single Core)

Xeon E5-2670

Specifications Full list of technical specs


Xeon E5-2670  vs
Clock speed 2.6 GHz 2.4 GHz
Turbo clock speed 3.3 GHz 3.4 GHz
Cores Octa core Deca core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 115W 90W
Annual home energy cost 27.7 $/year 21.68 $/year
Annual commercial energy cost 100.74 $/year 78.84 $/year
Performance per watt 7.32 pt/W 4.64 pt/W
Typical power consumption 93.44W 73.13W


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


Xeon E5-2670  vs
Architecture x86-64 x86-64
Threads 16 20
L3 cache 20 MB 25 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 80°C Unknown - 76°C


Overclocked clock speed 3.14 GHz 2.4 GHz
Overclocked clock speed (Water) 3.13 GHz 3.06 GHz
Overclocked clock speed (Air) 3.14 GHz 2.4 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 393,216 MB 1,572,864 MB
Intel Xeon E5-2670
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Intel E5-2640V4
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