CPUBoss Review Our evaluation of X5670 vs L5506 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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon X5670 

CPUBoss recommends the Intel Xeon X5670  based on its performance and value.

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VS

Intel Xeon X5670

CPUBoss Winner
Front view of Intel Xeon X5670

Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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Much higher clock speed 2.93 GHz vs 2.13 GHz Around 40% higher clock speed
Much more l3 cache 12 MB vs 4 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 8,013 vs 3,715 Around 2.2x better PassMark score
Much better overclocked clock speed (Air) 4.29 GHz vs 2.61 GHz Around 65% better overclocked clock speed (Air)
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 8.54 pt/W vs 2.41 pt/W More than 3.5x better performance per watt
Much higher Maximum operating temperature 81.3 °C vs 70 °C More than 15% higher Maximum operating temperature
More threads 12 vs 4 Three times as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more RAM 294,912 MB vs 147,456 MB Supports 2x more RAM
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much better overclocked clock speed (Water) 4.5 GHz vs 3.48 GHz Around 30% better overclocked clock speed (Water)
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Newer Mar, 2010 vs Mar, 2009 Release date 11 months later
Front view of Intel Xeon L5506

Reasons to consider the
Intel Xeon L5506

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Significantly lower typical power consumption 48.75W vs 77.19W More than 35% lower typical power consumption
Significantly lower annual commercial energy cost 52.56 $/year vs 83.22 $/year More than 35% lower annual commercial energy cost
Significantly lower annual home energy cost 14.45 $/year vs 22.89 $/year More than 35% lower annual home energy cost

Benchmarks Real world tests of Xeon X5670 vs L5506

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5670
24,364
Xeon L5506
8,274

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5670
2,341
Xeon L5506
2,485

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5670
1,590,000 MB/s
Xeon L5506
161.3 MB/s

PassMark Data courtesy Passmark

Xeon X5670
8,013
Xeon L5506
3,715

Specifications Full list of technical specs

summary

Xeon X5670  vs
L5506 
Clock speed 2.93 GHz 2.13 GHz
Cores Hexa core Quad core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 60W
Annual home energy cost 22.89 $/year 14.45 $/year
Annual commercial energy cost 83.22 $/year 52.56 $/year
Performance per watt 8.54 pt/W 2.41 pt/W
Typical power consumption 77.19W 48.75W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 19,200 MB/s
Maximum memory size 294,912 MB 147,456 MB

details

Xeon X5670  vs
L5506 
Architecture x86-64 x86-64
Threads 12 4
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 4 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 2
Clock multiplier 22 16
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 81.3°C Unknown - 70°C

overclocking

Overclocked clock speed 4.29 GHz 2.61 GHz
Overclocked clock speed (Water) 4.5 GHz 3.48 GHz
Overclocked clock speed (Air) 4.29 GHz 2.61 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 2 2
Data rate 51,200 MB/s 38,400 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon X5670
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Intel Xeon L5506
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