CPUBoss Review Our evaluation of 940 vs 430 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
Front view of Intel Celeron M 430

Intel Celeron M 430

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Pentium D 940

Reasons to consider the
Intel Pentium D 940

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.2 GHz vs 1.8 GHz Around 80% higher clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 2 MB/core vs 1 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 4.25 GHz vs 3.43 GHz Around 25% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Higher Maximum operating temperature 68.6 °C vs 60.4 °C Around 15% higher Maximum operating temperature
Better PassMark (Single core) score 758 vs 601 More than 25% better PassMark (Single core) score
Significantly better overclocked clock speed (Water) 4.6 GHz vs 3.67 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Celeron M 430

Reasons to consider the
Intel Celeron M 430

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Much lower typical power consumption 28.44W vs 105.63W 3.7x lower typical power consumption
Much better performance per dollar 1.64 pt/$ vs 0.31 pt/$ More than 5.2x better performance per dollar
Much lower annual home energy cost 8.43 $/year vs 31.32 $/year 3.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 113.88 $/year 3.7x lower annual commercial energy cost
Better performance per watt 1.73 pt/W vs 0.44 pt/W Around 4x better performance per watt
Newer Apr, 2007 vs Jan, 2006 Release date over 1 years later

Benchmarks Real world tests of Pentium D 940 vs Celeron M 430

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium D 940  vs
Celeron M 430 
Clock speed 3.2 GHz 1.8 GHz
Cores Dual core Single core
Socket type
LGA 775
478

features

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

power consumption

TDP 130W 35W
Annual home energy cost 31.32 $/year 8.43 $/year
Annual commercial energy cost 113.88 $/year 30.66 $/year
Performance per watt 0.44 pt/W 1.73 pt/W
Typical power consumption 105.63W 28.44W

memory controller

Memory controller Built-in Built-in
Supports ECC No No

details

Pentium D 940  vs
Celeron M 430 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 65 nm
Transistor count 376,000,000 105,000,000
Max CPUs 1 1
Clock multiplier 16 9
Voltage range 1.2 - 1.34V 1 - 1.34V
Operating temperature Unknown - 68.6°C Unknown - 60.4°C

overclocking

Overclocked clock speed 4.25 GHz 3.43 GHz
Overclocked clock speed (Water) 4.6 GHz 3.67 GHz
Overclocked clock speed (Air) 4.25 GHz 3.43 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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz
Intel Pentium D 940
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Intel Celeron M 430
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