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Differences What are the advantages of each

Front view of Intel Pentium 925c

Reasons to consider the
Intel Pentium 925c

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 12.19W vs 52.81W 4.3x lower typical power consumption
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 3.61 $/year vs 15.66 $/year 4.3x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 56.94 $/year 4.3x lower annual commercial energy cost
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 0.5 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
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
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Features Key features of the Pentium 925c  vs Core2 Duo E8400 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Pentium 925c  vs
Core2 Duo E8400 
Clock speed 2 GHz 3 GHz
Cores Dual core Dual core
Socket type
BGA 1284
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling No Yes

details

Pentium 925c  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 0.5 MB 6 MB
L2 cache per core 0.25 MB/core 3 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Clock multiplier 20 9

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

power consumption

TDP 15W 65W
Annual home energy cost 3.61 $/year 15.66 $/year
Annual commercial energy cost 13.14 $/year 56.94 $/year
Typical power consumption 12.19W 52.81W
Intel Pentium 925c
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Intel Core2 Duo E8400
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