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Intel Celeron N2940

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Front view of Intel Celeron N2940

Differences What are the advantages of each

Front view of Intel Celeron N2940

Reasons to consider the
Intel Celeron N2940

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Much better 3DMark06 CPU score 23 vs 8.2 More than 2.8x better 3DMark06 CPU score
Much better geekbench 3 AES single core score 52,800 MB/s vs 46.6 MB/s More than 1133x better geekbench 3 AES single core score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
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
Higher turbo clock speed 2.25 GHz vs 2 GHz Around 15% higher turbo clock speed
Better turbo clock speed 854 MHz vs 756 MHz Around 15% better turbo clock speed
Significantly better performance per dollar 0.55 pt/$ vs 0.26 pt/$ Around 2.2x better performance per dollar
More cores 4 vs 2 Twice as many cores; run more applications at once
Better overclocked clock speed (Air) 2.25 GHz vs 1.6 GHz More than 40% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Slightly better PassMark score 1,741 vs 779 Around 2.2x better PassMark score
Newer Jul, 2014 vs Nov, 2013 Release date 7 months later
Better overclocked clock speed (Water) 2.25 GHz vs 1.6 GHz More than 40% better overclocked clock speed (Water)
Front view of Intel Celeron N2806

Reasons to consider the
Intel Celeron N2806

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Much higher GPU clock speed 756 MHz vs 313 MHz Around 2.5x higher GPU clock speed
Slightly higher clock speed 2 GHz vs 1.83 GHz Around 10% higher clock speed

Benchmarks Real world tests of Celeron N2940 vs N2806

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 N2940
52,800 MB/s
Celeron N2806
46.6 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron N2940  vs
N2806 
Clock speed 1.83 GHz 2 GHz
Turbo clock speed 2.25 GHz 2 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
EM64T
SSE
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 7.5W 4.5W
Annual home energy cost 1.81 $/year 1.08 $/year
Annual commercial energy cost 6.57 $/year 3.94 $/year
Performance per watt 7.82 pt/W 7.48 pt/W
Typical power consumption 6.09W 3.66W

bus

Architecture FSB FSB
Number of links 1 1

details

Celeron N2940  vs
N2806 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.25 GHz 1.6 GHz
Overclocked clock speed (Water) 2.25 GHz 1.6 GHz
Overclocked clock speed (Air) 2.25 GHz 1.6 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics HD (Bray Trail)
Number of displays supported 2 2
GPU clock speed 313 MHz 756 MHz
Turbo clock speed 854 MHz 756 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR3L-1066
Channels Dual Channel Single Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 6,400 MB/s
Maximum memory size 8,192 MB 4,096 MB
Intel Celeron N2940
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Intel Celeron N2806
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