CPUBoss Review Our evaluation of L5240 vs E6750 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

Intel Xeon L5240

CPUBoss Winner
Front view of Intel Xeon L5240

Differences What are the advantages of each

Front view of Intel Xeon L5240

Reasons to consider the
Intel Xeon L5240

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Much more l2 cache 6 MB vs 4 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3 GHz vs 2.66 GHz Around 15% higher clock speed
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower typical power consumption 32.5W vs 52.81W Around 40% lower typical power consumption
Better PassMark (Single core) score 1,286 vs 1,004 Around 30% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.05 GHz vs 3.67 GHz More than 10% better overclocked clock speed (Air)
Newer Jul, 2008 vs Jul, 2007 Release date over 1 years later
Significantly lower annual home energy cost 9.64 $/year vs 15.66 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 35.04 $/year vs 56.94 $/year Around 40% lower annual commercial energy cost
Front view of Intel Core2 Duo E6750

Reasons to consider the
Intel Core2 Duo E6750

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Much better performance per dollar 0.59 pt/$ vs 0.13 pt/$ Around 4.5x better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly higher Maximum operating temperature 72 °C vs 56 °C Around 30% higher Maximum operating temperature
Better overclocked clock speed (Water) 3.72 GHz vs 3 GHz Around 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon L5240 vs Core2 Duo E6750

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 L5240
128.5 MB/s
Core2 Duo E6750
113,500 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5240  vs
Core2 Duo E6750 
Clock speed 3 GHz 2.66 GHz
Cores Dual core Dual core
Socket type
LGA 771
LGA 775

features

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

power consumption

TDP 40W 65W
Annual home energy cost 9.64 $/year 15.66 $/year
Annual commercial energy cost 35.04 $/year 56.94 $/year
Performance per watt 2.22 pt/W 1.7 pt/W
Typical power consumption 32.5W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz

details

Xeon L5240  vs
Core2 Duo E6750 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 4 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 291,000,000
Max CPUs 2 1
Clock multiplier 9 8
Voltage range 0.85 - 1.35V 0.85 - 1.5V
Operating temperature Unknown - 56°C Unknown - 72°C

overclocking

Overclocked clock speed 4.05 GHz 3.67 GHz
Overclocked clock speed (Water) 3 GHz 3.72 GHz
Overclocked clock speed (Air) 4.05 GHz 3.67 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
Intel Xeon L5240
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Intel Core2 Duo E6750
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