CPUBoss Review Our evaluation of X5450 vs E5450


Benchmark performance using all cores

Passmark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Cost to Run

Commercial Energy Cost


Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Cost to Run and Value

Intel Xeon E5450 

CPUBoss recommends the Intel Xeon E5450  based on its .

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Front view of Intel Xeon E5450

Intel Xeon E5450

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon X5450

Reasons to consider the
Intel Xeon X5450

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Significantly better overclocked clock speed (Air) 4.15 GHz vs 3.24 GHz Around 30% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.26 GHz vs 4.04 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Xeon E5450

Reasons to consider the
Intel Xeon E5450

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Much better performance per dollar 8.18 pt/$ vs 0.77 pt/$ Around 10.8x better performance per dollar
Lower typical power consumption 65W vs 97.5W Around 35% lower typical power consumption
Better geekbench (32-bit) score 5,448 vs 5,014 Around 10% better geekbench (32-bit) score
Higher Maximum Operating Temperature 67 °C vs 63 °C More than 5% higher Maximum Operating Temperature
Better performance per watt 8.69 pt/W vs 5.82 pt/W Around 50% better performance per watt
Lower annual commercial energy cost 70.08 $/year vs 105.12 $/year Around 35% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 28.91 $/year Around 35% lower annual home energy cost

Benchmarks Real world tests of Xeon X5450 vs E5450

GeekBench (32-bit)

Xeon X5450
Xeon E5450


Xeon X5450
Xeon E5450

Passmark (Single Core)

Xeon X5450
Xeon E5450

Specifications Full list of technical specs


Xeon X5450  vs
Clock speed 3 GHz 3 GHz
Cores Quad core Quad core
Socket type
LGA 771
Is hyperthreaded No No


Has a NX bit Yes Yes
Supports trusted computing No No
Has vitualization support Yes Yes
Supports dynamic frequency scaling Yes Yes


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


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


Xeon X5450  vs
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 12 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nms 45 nms
Transistor count 820,000,000 820,000,000
Max CPUs 2 2
Clock multiplier 9 9
Voltage range 0.85 - 1.35V 0.85 - 1.35V
Operating temperature Unknown - 63°C Unknown - 67°C


Overclocked clock speed 4.15 GHz 3.24 GHz
Overclocked clock speed (Water) 4.26 GHz 4.04 GHz
Overclocked clock speed (Air) 4.15 GHz 3.24 GHz

power consumption

TDP 120W 80W
Annual home energy cost 28.91 $/year 19.27 $/year
Annual commercial energy cost 105.12 $/year 70.08 $/year
Performance per watt 5.82 pt/W 8.69 pt/W
Typical power consumption 97.5W 65W
Intel Xeon X5450
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Intel Xeon E5450
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