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Front view of Intel E5-2620V4

Intel E5-2620V4

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

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Much better performance per dollar 1.52 pt/$ vs 0.52 pt/$ Around 3x better performance per dollar
Significantly better performance per watt 6.57 pt/W vs 2.54 pt/W More than 2.5x better performance per watt
Slightly higher Maximum operating temperature 77.4 °C vs 74 °C Around 5% higher Maximum operating temperature
Front view of Intel E5-2620V4

Reasons to consider the
Intel E5-2620V4

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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
Higher turbo clock speed 3 GHz vs 2.5 GHz 20% higher turbo clock speed
More l3 cache 20 MB vs 15 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Better PassMark score 11,389 vs 7,957 Around 45% better PassMark score
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Newer Jan, 2016 vs Mar, 2012 Release date over 3 years later
Lower typical power consumption 69.06W vs 77.19W More than 10% lower typical power consumption
Better PassMark (Single core) score 1,527 vs 1,231 Around 25% better PassMark (Single core) score
Better overclocked clock speed (Water) 2.58 GHz vs 2 GHz Around 30% better overclocked clock speed (Water)
Lower annual commercial energy cost 74.46 $/year vs 83.22 $/year More than 10% lower annual commercial energy cost
Lower annual home energy cost 20.48 $/year vs 22.89 $/year More than 10% lower annual home energy cost

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

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2620

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2620

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2620
1,315,000 MB/s
3,210 MB/s

PassMark Data courtesy Passmark

Xeon E5-2620

PassMark (Single Core)

Xeon E5-2620

Specifications Full list of technical specs


Xeon E5-2620  vs
Clock speed 2 GHz 2.1 GHz
Turbo clock speed 2.5 GHz 3 GHz
Cores Hexa core Octa core
Is unlocked Yes Yes


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 95W 85W
Annual home energy cost 22.89 $/year 20.48 $/year
Annual commercial energy cost 83.22 $/year 74.46 $/year
Performance per watt 6.57 pt/W 2.54 pt/W
Typical power consumption 77.19W 69.06W


Architecture QPI QPI
Number of links 2 2
Data rate 57,600 MB/s 64,000 MB/s
Transfer rate 7,200 MT/s 8,000 MT/s
Clock speed 3,600 MHz 4,000 MHz


Xeon E5-2620  vs
Architecture x86-64 x86-64
Threads 12 16
L3 cache 15 MB 20 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 - 77.4°C Unknown - 74°C


Overclocked clock speed 2.28 GHz 2.37 GHz
Overclocked clock speed (Water) 2 GHz 2.58 GHz
Overclocked clock speed (Air) 2.28 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 393,216 MB 1,572,864 MB
Intel Xeon E5-2620
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Intel E5-2620V4
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