CPUBoss Review Our evaluation of 2620 v2 vs E5-2420 v2 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5 2620 v2

Reasons to consider the
Intel Xeon E5 2620 v2

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Much better performance per watt 12.06 pt/W vs 2.67 pt/W More than 4.5x better performance per watt
Much better performance per dollar 2.19 pt/$ vs 0.53 pt/$ Around 4.2x better performance per dollar
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Front view of Intel Xeon E5-2420 v2

Reasons to consider the
Intel Xeon E5-2420 v2

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Higher clock speed 2.2 GHz vs 2.1 GHz Around 5% higher clock speed
Higher turbo clock speed 2.7 GHz vs 2.6 GHz Around 5% higher turbo clock speed
Newer Jan, 2014 vs Jul, 2013 Release date 6 months later

Benchmarks Real world tests of Xeon E5 2620 v2 vs E5-2420 v2

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 v2
1,400,000 MB/s
Xeon E5-2420 v2
1,590 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2620 v2  vs
E5-2420 v2 
Clock speed 2.1 GHz 2.2 GHz
Turbo clock speed 2.6 GHz 2.7 GHz
Cores Hexa core Hexa core
Socket type
LGA 2011
LGA 1356
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 12.06 pt/W 2.67 pt/W
Typical power consumption 65W 65W

bus

Architecture QPI QPI
Number of links 2 1
Data rate 57,600 MB/s 28,800 MB/s
Transfer rate 7,200 MT/s 5,000 MT/s
Clock speed 3,600 MHz 3,600 MHz

details

Xeon E5 2620 v2  vs
E5-2420 v2 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 1.5 MB 1.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
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
Clock multiplier 21 22
Operating temperature Unknown - 71°C Unknown - 76°C

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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 19,200 MB/s
Maximum memory size 786,432 MB 393,216 MB
Intel Xeon E5 2620 v2
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Intel Xeon E5-2420 v2
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