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Differences What are the advantages of each

Front view of Intel Celeron D 315J

Reasons to consider the
Intel Celeron D 315J

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Significantly higher clock speed 2.26 GHz vs 1.1 GHz More than 2x higher clock speed
Much better overclocked clock speed (Air) 3.1 GHz vs 1.1 GHz More than 2.8x better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.27 GHz vs 1.1 GHz More than 2x better overclocked clock speed (Water)
Front view of Intel Celeron 847

Reasons to consider the
Intel Celeron 847

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Significantly more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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 lower typical power consumption 13.81W vs 59.31W 4.3x lower typical power consumption
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 100 °C vs 67 °C Around 50% higher Maximum operating temperature
Newer Jun, 2011 vs Jul, 2004 Release date over 7 years later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More cores 2 vs 1 Twice as many cores; run more applications at once
Much lower annual home energy cost 4.1 $/year vs 17.59 $/year 4.3x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 63.95 $/year 4.3x lower annual commercial energy cost

Features Key features of the Celeron D 315J  vs 847 

clock speed

Celeron D 315J
2.26 GHz
Celeron 847
1.1 GHz

L2 cache

overclocked clock speed (air)

Celeron D 315J
3.1 GHz
Celeron 847
1.1 GHz

overclocked clock speed (water)

Celeron D 315J
2.27 GHz
Celeron 847
1.1 GHz

Specifications Full list of technical specs

summary

Celeron D 315J  vs
847 
Clock speed 2.26 GHz 1.1 GHz
Cores Single core Dual core
Socket type
478
BGA 1023

features

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

power consumption

TDP 73W 17W
Annual home energy cost 17.59 $/year 4.1 $/year
Annual commercial energy cost 63.95 $/year 14.89 $/year
Typical power consumption 59.31W 13.81W

bus

Architecture FSB DMI
Number of links 1 1

details

Celeron D 315J  vs
847 
Architecture x86 x86-64
Threads 1 2
L2 cache 0.25 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Clock multiplier 17 11
Operating temperature Unknown - 67°C Unknown - 100°C

overclocking

Overclocked clock speed 3.1 GHz 1.1 GHz
Overclocked clock speed (Water) 2.27 GHz 1.1 GHz
Overclocked clock speed (Air) 3.1 GHz 1.1 GHz

integrated graphics

GPU None GPU
Number of displays supported N/A 2
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 800 MHz

memory controller

Memory controller Built-in Built-in
Supports ECC No No
Intel Celeron D 315J
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Intel Celeron 847
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