CPUBoss Review Our evaluation of L5506 vs E5-2403 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 L5506

Reasons to consider the
Intel Xeon L5506

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Much higher clock speed 2.13 GHz vs 1.8 GHz Around 20% higher clock speed
Lower typical power consumption 48.75W vs 65W 25% lower typical power consumption
Lower annual commercial energy cost 52.56 $/year vs 70.08 $/year Around 25% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 19.27 $/year Around 25% lower annual home energy cost
Front view of Intel Xeon E5-2403

Reasons to consider the
Intel Xeon E5-2403

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Much more l3 cache 10 MB vs 4 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 5.67 pt/W vs 2.41 pt/W More than 2.2x better performance per watt
Much better performance per dollar 2.22 pt/$ vs 0.33 pt/$ More than 6.8x better performance per dollar
Supports more RAM 393,216 MB vs 147,456 MB Supports around 2.8x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer May, 2012 vs Mar, 2009 Release date over 3 years later

Benchmarks Real world tests of Xeon L5506 vs E5-2403

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5506
8,274
Xeon E5-2403
4,870

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5506
2,485
Xeon E5-2403
1,464

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5506
161.3 MB/s
Xeon E5-2403
1,050,800 MB/s

PassMark Data courtesy Passmark

Xeon L5506
3,715
Xeon E5-2403
3,475

Specifications Full list of technical specs

summary

Xeon L5506  vs
E5-2403 
Clock speed 2.13 GHz 1.8 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing No 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 60W 80W
Annual home energy cost 14.45 $/year 19.27 $/year
Annual commercial energy cost 52.56 $/year 70.08 $/year
Performance per watt 2.41 pt/W 5.67 pt/W
Typical power consumption 48.75W 65W

bus

Architecture QPI QPI
Number of links 2 1
Data rate 38,400 MB/s 25,600 MB/s
Transfer rate 4,800 MT/s 6,400 MT/s
Clock speed 2,400 MHz 3,200 MHz

details

Xeon L5506  vs
E5-2403 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 10 MB
L3 cache per core 1 MB/core 2.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 2
Voltage range 0.75 - 1.35V 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
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 19,200 MB/s 25,599.99 MB/s
Maximum memory size 147,456 MB 393,216 MB
Intel Xeon L5506
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Intel Xeon E5-2403
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