CPUBoss Review Our evaluation of 945 vs E7500 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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium D 945 

CPUBoss recommends the Intel Pentium D 945  based on its overclocking and value.

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VS

Differences What are the advantages of each

Front view of Intel Pentium D 945

Reasons to consider the
Intel Pentium D 945

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Much more l2 cache 4 MB vs 3 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3.4 GHz vs 2.93 GHz More than 15% higher clock speed
Better overclocked clock speed (Air) 4.22 GHz vs 3.83 GHz More than 10% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.49 GHz vs 4 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much higher Maximum operating temperature 74.1 °C vs 63.4 °C More than 15% higher Maximum operating temperature
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Newer Jan, 2009 vs Jul, 2006 Release date over 2 years later
Lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost

Benchmarks Real world tests of Pentium D 945 vs Core2 Duo E7500

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 D 945
122,800 MB/s
Core2 Duo E7500
124,700 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 D 945  vs
Core2 Duo E7500 
Clock speed 3.4 GHz 2.93 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 No Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 1.14 pt/W 1.92 pt/W
Typical power consumption 77.19W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,066 MHz

details

Pentium D 945  vs
Core2 Duo E7500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 3 MB
L2 cache per core 2 MB/core 1.5 MB/core
Manufacture process 65 nm 45 nm
Transistor count 376,000,000 228,000,000
Max CPUs 1 1
Clock multiplier 17 11
Voltage range 1.2 - 1.34V 0.85 - 1.36V
Operating temperature Unknown - 63.4°C Unknown - 74.1°C

overclocking

Overclocked clock speed 4.22 GHz 3.83 GHz
Overclocked clock speed (Water) 4.49 GHz 4 GHz
Overclocked clock speed (Air) 4.22 GHz 3.83 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 D 945
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Intel Core2 Duo E7500
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