CPUBoss Review Our evaluation of E5450 vs E5420 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 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 higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Much better overclocked clock speed (Air) 3.83 GHz vs 3.19 GHz Around 20% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.1 GHz vs 3.94 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Xeon E5420

Reasons to consider the
Intel Xeon E5420

Report a correction

CPUBoss is not aware of any important advantages of the E5420 vs the E5450.

Benchmarks Real world tests of Xeon E5450 vs E5420

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5450
6,390
Xeon E5420
5,821

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5450
1,619
Xeon E5420
1,317

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5450
128,600 MB/s
Xeon E5420
106,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5450
5,457
Xeon E5420
4,529

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5450
6,298
Xeon E5420
6,104

GeekBench

Xeon E5450
6,298
Xeon E5420
6,104

PassMark Data courtesy Passmark

Xeon E5450
4,244
Xeon E5420
3,534

PassMark (Single Core)

Xeon E5450
1,270
Xeon E5420
1,073

Specifications Full list of technical specs

summary

Xeon E5450  vs
E5420 
Clock speed 3 GHz 2.5 GHz
Cores Quad core Quad 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 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 2.1 pt/W 1.78 pt/W
Typical power consumption 65W 65W

bus

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

details

Xeon E5450  vs
E5420 
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 nm 45 nm
Transistor count 820,000,000 820,000,000
Max CPUs 2 2
Clock multiplier 9 7
Voltage range 0.85 - 1.35V 0.85 - 1.35V
Operating temperature Unknown - 67°C Unknown - 67°C

overclocking

Overclocked clock speed 3.83 GHz 3.19 GHz
Overclocked clock speed (Water) 4.1 GHz 3.94 GHz
Overclocked clock speed (Air) 3.83 GHz 3.19 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 E5420
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