CPUBoss Review Our evaluation of E7540 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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel E5-2620V4 

CPUBoss recommends the Intel E5-2620V4  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E7540

Reasons to consider the
Intel Xeon E7540

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
More l3 cache per core 3 MB/core vs 2.5 MB/core 20% more l3 cache per core
Front view of Intel E5-2620V4

Reasons to consider the
Intel E5-2620V4

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Much newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 3 GHz vs 2.27 GHz More than 30% higher turbo clock speed
Much better geekbench 3 Multi-Core score 8,618 vs 2,540 Around 3.5x better geekbench 3 Multi-Core score
Significantly better geekbench 3 single core score 2,491 vs 1,308 More than 90% better geekbench 3 single core score
Much better performance per dollar 0.52 pt/$ vs 0.03 pt/$ More than 18.8x better performance per dollar
Lower typical power consumption 69.06W vs 85.31W Around 20% lower typical power consumption
Newer Jan, 2016 vs Mar, 2010 Release date over 5 years later
Slightly more l3 cache 20 MB vs 18 MB More than 10% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Better performance per watt 2.54 pt/W vs 0.54 pt/W Around 4.8x better performance per watt
Higher Maximum operating temperature 74 °C vs 64 °C More than 15% higher Maximum operating temperature
Better overclocked clock speed (Air) 2.37 GHz vs 2.13 GHz More than 10% better overclocked clock speed (Air)
Lower annual commercial energy cost 74.46 $/year vs 91.98 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 20.48 $/year vs 25.29 $/year Around 20% lower annual home energy cost
Better overclocked clock speed (Water) 2.58 GHz vs 2.13 GHz More than 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E7540 vs E5-2620V4

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E7540
2,540
E5-2620V4
8,618

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E7540
1,308
E5-2620V4
2,491

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E7540
86.5 MB/s
E5-2620V4
3,210 MB/s

Specifications Full list of technical specs

summary

Xeon E7540  vs
E5-2620V4 
Clock speed 2 GHz 2.1 GHz
Turbo clock speed 2.27 GHz 3 GHz
Cores Hexa core Octa core

features

Has a NX bit 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

power consumption

TDP 105W 85W
Annual home energy cost 25.29 $/year 20.48 $/year
Annual commercial energy cost 91.98 $/year 74.46 $/year
Performance per watt 0.54 pt/W 2.54 pt/W
Typical power consumption 85.31W 69.06W

details

Xeon E7540  vs
E5-2620V4 
Threads 12 16
L3 cache 18 MB 20 MB
L3 cache per core 3 MB/core 2.5 MB/core
Manufacture process 45 nm 14 nm
Max CPUs 8 2
Operating temperature Unknown - 64°C Unknown - 74°C

overclocking

Overclocked clock speed 2.13 GHz 2.37 GHz
Overclocked clock speed (Water) 2.13 GHz 2.58 GHz
Overclocked clock speed (Air) 2.13 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

bus

Architecture QPI QPI
Number of links 4 2
Data rate 102,400 MB/s 64,000 MB/s
Transfer rate 6,400 MT/s 8,000 MT/s
Clock speed 3,200 MHz 4,000 MHz
Intel Xeon E7540
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Intel E5-2620V4
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