CPUBoss Review Our evaluation of E5-2450 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

Differences What are the advantages of each

Front view of Intel Xeon E5-2450

Reasons to consider the
Intel Xeon E5-2450

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Much better performance per dollar 6.02 pt/$ vs 1.39 pt/$ More than 4.2x better performance per dollar
Higher turbo clock speed 2.9 GHz vs 2.4 GHz More than 20% higher turbo clock speed
Much better performance per watt 12.54 pt/W vs 5.48 pt/W More than 2.2x better performance per watt
Higher clock speed 2.1 GHz vs 1.9 GHz More than 10% higher clock speed
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Better overclocked clock speed (Air) 2.9 GHz vs 2.36 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.1 GHz vs 1.9 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Xeon E5-2420

Reasons to consider the
Intel Xeon E5-2420

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Much more l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core

Benchmarks Real world tests of Xeon E5-2450 vs E5-2420

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2450
23,632
Xeon E5-2420
10,344

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2450
1,610,000 MB/s
Xeon E5-2420
985,150 MB/s

Specifications Full list of technical specs

summary

Xeon E5-2450  vs
E5-2420 
Clock speed 2.1 GHz 1.9 GHz
Turbo clock speed 2.9 GHz 2.4 GHz
Cores Octa core Hexa core

features

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

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 12.54 pt/W 5.48 pt/W
Typical power consumption 77.19W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 38,400 MB/s 31,999.98 MB/s
Maximum memory size 393,216 MB 393,216 MB

details

Xeon E5-2450  vs
E5-2420 
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 20 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Voltage range 0.6 - 1.35V 0.6 - 1.35V

overclocking

Overclock popularity 1 0
Overclocked clock speed 2.9 GHz 2.36 GHz
Overclocked clock speed (Water) 2.1 GHz 1.9 GHz
Overclocked clock speed (Air) 2.9 GHz 2.36 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 1 1
Data rate 32,000 MB/s 28,800 MB/s
Transfer rate 8,000 MT/s 7,200 MT/s
Clock speed 4,000 MHz 3,600 MHz
Intel Xeon E5-2450
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Intel Xeon E5-2420
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