CPUBoss Review Our evaluation of E5450 vs E5240 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 E5450 

CPUBoss recommends the Intel Xeon E5450  based on its performance.

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VS

Intel Xeon E5450

CPUBoss Winner
Front view of Intel Xeon E5450

Differences What are the advantages of each

Front view of Intel Xeon E5450

Reasons to consider the
Intel Xeon E5450

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Much more l2 cache 12 MB vs 6 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 4.1 GHz vs 3 GHz More than 35% better overclocked clock speed (Water)
Front view of Intel Xeon E5240

Reasons to consider the
Intel Xeon E5240

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Much better overclocked clock speed (Air) 4.89 GHz vs 3.83 GHz Around 30% better overclocked clock speed (Air)
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost

Benchmarks Real world tests of Xeon E5450 vs E5240

PassMark Data courtesy Passmark

Xeon E5450
4,244
Xeon E5240
2,424

PassMark (Single Core)

Xeon E5450
1,270
Xeon E5240
1,277

Specifications Full list of technical specs

summary

Xeon E5450  vs
E5240 
Clock speed 3 GHz 3 GHz
Cores Quad core Dual core
Socket type
LGA 771

features

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

power consumption

TDP 80W 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 2.1 pt/W 1.86 pt/W
Typical power consumption 65W 52.81W

bus

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

details

Xeon E5450  vs
E5240 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 410,000,000
Max CPUs 2 2
Clock multiplier 9 9
Voltage range 0.85 - 1.35V 0.85 - 1.35V
Operating temperature Unknown - 67°C Unknown - 66°C

overclocking

Overclocked clock speed 3.83 GHz 4.89 GHz
Overclocked clock speed (Water) 4.1 GHz 3 GHz
Overclocked clock speed (Air) 3.83 GHz 4.89 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 E5450
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Intel Xeon E5240
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