CPUBoss Review Our evaluation of E5-2420 v2 vs E5-2420 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
Front view of Intel Xeon E5-2420

Intel Xeon E5-2420

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5-2420 v2

Reasons to consider the
Intel Xeon E5-2420 v2

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 2.7 GHz vs 2.4 GHz Around 15% higher turbo clock speed
Higher clock speed 2.2 GHz vs 1.9 GHz More than 15% higher clock speed
Significantly lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Newer Jan, 2014 vs May, 2012 Release date over 1 years later
Significantly lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Significantly lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Front view of Intel Xeon E5-2420

Reasons to consider the
Intel Xeon E5-2420

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Much better performance per dollar 2.6 pt/$ vs 0.69 pt/$ More than 3.8x better performance per dollar
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much more l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Much better performance per watt 5.48 pt/W vs 2.66 pt/W More than 2x better performance per watt

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

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 E5-2420 v2
1,590 MB/s
Xeon E5-2420
985,150 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2420 v2  vs
E5-2420 
Clock speed 2.2 GHz 1.9 GHz
Turbo clock speed 2.7 GHz 2.4 GHz
Cores Hexa core Hexa core
Is unlocked No Yes

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 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Performance per watt 2.66 pt/W 5.48 pt/W
Typical power consumption 65W 77.19W

bus

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

details

Xeon E5-2420 v2  vs
E5-2420 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 1.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 2
Voltage range 0.65 - 1.3V 0.6 - 1.35V

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
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 19,200 MB/s 31,999.98 MB/s
Maximum memory size 393,216 MB 393,216 MB
Intel Xeon E5-2420 v2
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Intel Xeon E5-2420
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