CPUBoss Review Our evaluation of L5420 vs 2423 HE 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

5.1

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L5420 

CPUBoss recommends the Intel Xeon L5420  based on its cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Xeon L5420

Reasons to consider the
Intel Xeon L5420

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Much more l2 cache 12 MB vs 3 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.5 GHz vs 2 GHz 25% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 3.67 GHz vs 2 GHz Around 85% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.85 GHz vs 2 GHz Around 95% better overclocked clock speed (Water)
Front view of AMD Opteron 2423 HE

Reasons to consider the
AMD Opteron 2423 HE

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More cores 6 vs 4 2 more cores; run more applications at once
More threads 6 vs 4 2 more threads
Newer Jul, 2009 vs Mar, 2008 Release date over 1 years later

Benchmarks Real world tests of Xeon L5420 vs Opteron 2423 HE

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 L5420
107,200 MB/s
Opteron 2423 HE
79.8 MB/s

Specifications Full list of technical specs

summary

Xeon L5420  vs
Opteron 2423 HE 
Clock speed 2.5 GHz 2 GHz
Cores Quad core Hexa core
Socket type
LGA 771
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 50W 55W
Annual home energy cost 12.04 $/year 13.25 $/year
Annual commercial energy cost 43.8 $/year 48.18 $/year
Performance per watt 2.75 pt/W 2.28 pt/W
Typical power consumption 40.63W 44.69W

details

Xeon L5420  vs
Opteron 2423 HE 
Threads 4 6
L2 cache 12 MB 3 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2
Clock multiplier 7 10
Voltage range 0.85 - 1.35V 1 - UnknownV
Operating temperature Unknown - 57°C 0 - 55°C

overclocking

Overclocked clock speed 3.67 GHz 2 GHz
Overclocked clock speed (Water) 3.85 GHz 2 GHz
Overclocked clock speed (Air) 3.67 GHz 2 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 FSB HyperTransport 3.0
Clock speed 1,333 MHz 2,200 MHz
Intel Xeon L5420
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AMD Opteron 2423 HE
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