CPUBoss Review Our evaluation of E5500 vs 945 among desktop 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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

3.6

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium E5500 

CPUBoss recommends the Intel Pentium E5500  based on its performance.

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VS

Differences What are the advantages of each

Front view of Intel Pentium E5500

Reasons to consider the
Intel Pentium E5500

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Much better geekbench 2 (32-bit) score 2,517 vs 1,571 More than 60% better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.78 pt/W vs 1.14 pt/W More than 55% better performance per watt
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 74.1 °C vs 63.4 °C More than 15% higher Maximum operating temperature
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Apr, 2010 vs Jul, 2006 Release date over 3 years later
Front view of Intel Pentium D 945

Reasons to consider the
Intel Pentium D 945

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Much higher clock speed 3.4 GHz vs 2.8 GHz More than 20% higher clock speed
Much better overclocked clock speed (Air) 4.22 GHz vs 3.91 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.59 GHz vs 4.14 GHz More than 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium E5500 vs D 945

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

Pentium E5500
119,200 MB/s
Pentium D 945
122,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium E5500  vs
D 945 
Clock speed 2.8 GHz 3.4 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

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

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 1.78 pt/W 1.14 pt/W
Typical power consumption 52.81W 77.19W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz

details

Pentium E5500  vs
D 945 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 4 MB
L2 cache per core 1 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 228,000,000 376,000,000
Max CPUs 1 1
Clock multiplier 14 17
Voltage range 0.85 - 1.36V 1.2 - 1.34V
Operating temperature Unknown - 74.1°C Unknown - 63.4°C

overclocking

Overclock popularity 5 9
Overclocked clock speed 3.91 GHz 4.22 GHz
Overclocked clock speed (Water) 4.14 GHz 4.59 GHz
Overclocked clock speed (Air) 3.91 GHz 4.22 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 Pentium E5500
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Intel Pentium D 945
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