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Differences What are the advantages of each

Front view of Intel Pentium D 925

Reasons to consider the
Intel Pentium D 925

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Much more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 65 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 1.2 GHz 2.5x higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
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
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Significantly better overclocked clock speed (Air) 4.23 GHz vs 2.93 GHz Around 45% better overclocked clock speed (Air)
Newer Jul, 2006 vs Jan, 2004 Release date over 2 years later
Much better overclocked clock speed (Water) 4.4 GHz vs 2.13 GHz More than 2x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Celeron D 310

Reasons to consider the
Intel Celeron D 310

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Much lower typical power consumption 19.91W vs 77.19W 3.9x lower typical power consumption
Much lower annual home energy cost 5.9 $/year vs 22.89 $/year 3.9x lower annual home energy cost
Much lower annual commercial energy cost 21.46 $/year vs 83.22 $/year 3.9x lower annual commercial energy cost
Slightly higher Maximum operating temperature 67 °C vs 63.4 °C More than 5% higher Maximum operating temperature

Features Key features of the Pentium D 925  vs Celeron D 310 

clock speed

L2 cache

overclocked clock speed (air)

Pentium D 925
4.23 GHz
Celeron D 310
2.93 GHz

overclocked clock speed (water)

Pentium D 925
4.4 GHz
Celeron D 310
2.13 GHz

Specifications Full list of technical specs

summary

Pentium D 925  vs
Celeron D 310 
Clock speed 3 GHz 1.2 GHz
Cores Dual core Single core
Socket type
LGA 775
P
479
478

features

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

power consumption

TDP 95W 24.5W
Annual home energy cost 22.89 $/year 5.9 $/year
Annual commercial energy cost 83.22 $/year 21.46 $/year
Typical power consumption 77.19W 19.91W

memory controller

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

details

Pentium D 925  vs
Celeron D 310 
Architecture x86-64 x86
Threads 1 1
L2 cache 4 MB 0.5 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 130 nm
Transistor count 376,000,000 77,000,000
Max CPUs 1 1
Clock multiplier 15 16
Voltage range 1.2 - 1.34V 1.25 - 1.4V
Operating temperature Unknown - 63.4°C Unknown - 67°C

overclocking

Overclocked clock speed 4.23 GHz 2.93 GHz
Overclocked clock speed (Water) 4.4 GHz 2.13 GHz
PassMark (Overclocked) 1,095.6 521.3
Overclocked clock speed (Air) 4.23 GHz 2.93 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 400 MHz
Intel Pentium D 925
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Intel Celeron D 310
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