CPUBoss Review Our evaluation of E5-2620 v3 vs E5-2603 v3 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

5.4

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2620 v3 

CPUBoss recommends the Intel Xeon E5-2620 v3  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2620 v3

Reasons to consider the
Intel Xeon E5-2620 v3

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Much higher clock speed 2.4 GHz vs 1.6 GHz Around 50% higher clock speed
Much better PassMark score 9,977 vs 5,140 Around 95% better PassMark score
Much better PassMark (Single core) score 1,683 vs 938 Around 80% better PassMark (Single core) score
Much better performance per watt 12.6 pt/W vs 2.14 pt/W Around 6x better performance per watt
Much better performance per dollar 4.08 pt/$ vs 0.81 pt/$ More than 5x better performance per dollar
More threads 12 vs 6 Twice as many threads
Much better overclocked clock speed (Air) 2.66 GHz vs 1.68 GHz Around 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.87 GHz vs 1.6 GHz Around 80% better overclocked clock speed (Water)
Front view of Intel Xeon E5-2603 v3

Reasons to consider the
Intel Xeon E5-2603 v3

Report a correction

CPUBoss is not aware of any important advantages of the E5-2603 v3 vs the E5-2620 v3.

Benchmarks Real world tests of Xeon E5-2620 v3 vs E5-2603 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2620 v3
2,750,000 MB/s
Xeon E5-2603 v3
2,265 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2620 v3  vs
E5-2603 v3 
Clock speed 2.4 GHz 1.6 GHz
Cores Hexa core Hexa 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 85W 85W
Annual home energy cost 20.48 $/year 20.48 $/year
Annual commercial energy cost 74.46 $/year 74.46 $/year
Performance per watt 12.6 pt/W 2.14 pt/W
Typical power consumption 69.06W 69.06W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 51,200 MB/s
Transfer rate 8,000 MT/s 6,400 MT/s
Clock speed 4,000 MHz 3,200 MHz

details

Xeon E5-2620 v3  vs
E5-2603 v3 
Architecture x86-64 x86-64
Threads 12 6
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Operating temperature Unknown - 72.6°C Unknown - 72.8°C

overclocking

Overclocked clock speed 2.66 GHz 1.68 GHz
Overclocked clock speed (Water) 2.87 GHz 1.6 GHz
Overclocked clock speed (Air) 2.66 GHz 1.68 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
Memory type
DDR
DDR4-1600
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 786,432 MB
Intel Xeon E5-2620 v3
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Intel Xeon E5-2603 v3
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