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Intel Celeron N2805

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Front view of Intel Celeron N2805

Differences What are the advantages of each

Front view of Intel Celeron N2805

Reasons to consider the
Intel Celeron N2805

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 1.46 GHz vs 1.1 GHz Around 35% higher clock speed
Much better performance per watt 8.49 pt/W vs 3.23 pt/W Around 2.8x better performance per watt
Lower typical power consumption 3.49W vs 13.81W 4x lower typical power consumption
Newer Jul, 2013 vs Jun, 2011 Release date over 2 years later
Better overclocked clock speed (Air) 1.46 GHz vs 1.1 GHz Around 35% better overclocked clock speed (Air)
Lower annual home energy cost 1.04 $/year vs 4.1 $/year 4x lower annual home energy cost
Lower annual commercial energy cost 3.77 $/year vs 14.89 $/year 4x lower annual commercial energy cost
Better overclocked clock speed (Water) 1.46 GHz vs 1.1 GHz Around 35% better overclocked clock speed (Water)
Front view of Intel Celeron 847

Reasons to consider the
Intel Celeron 847

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Much better 3DMark06 CPU score 23.4 vs 16.7 More than 40% better 3DMark06 CPU score
Much better geekbench 3 AES single core score 54,500 MB/s vs 34,400 MB/s Around 60% better geekbench 3 AES single core score
Significantly better turbo clock speed 800 MHz vs 667 MHz Around 20% better turbo clock speed
Slightly higher GPU clock speed 350 MHz vs 313 MHz More than 10% higher GPU clock speed
Slightly better geekbench 3 Multi-Core score 1,460 vs 1,009 Around 45% better geekbench 3 Multi-Core score
Better performance per dollar 0.41 pt/$ vs 0.34 pt/$ More than 20% better performance per dollar

Benchmarks Real world tests of Celeron N2805 vs 847

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

Celeron N2805
34,400 MB/s
Celeron 847
54,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron N2805  vs
847 
Clock speed 1.46 GHz 1.1 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 4.3W 17W
Annual home energy cost 1.04 $/year 4.1 $/year
Annual commercial energy cost 3.77 $/year 14.89 $/year
Performance per watt 8.49 pt/W 3.23 pt/W
Typical power consumption 3.49W 13.81W

bus

Architecture FSB DMI
Number of links 1 1

details

Celeron N2805  vs
847 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.46 GHz 1.1 GHz
Overclocked clock speed (Water) 1.46 GHz 1.1 GHz
Overclocked clock speed (Air) 1.46 GHz 1.1 GHz

integrated graphics

GPU GPU GPU
Number of displays supported 2 2
GPU clock speed 313 MHz 350 MHz
Turbo clock speed 667 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Single Channel Dual Channel
Maximum bandwidth 6,400 MB/s 21,333.32 MB/s
Maximum memory size 4,096 MB 16,384 MB
Intel Celeron N2805
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Intel Celeron 847
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