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Differences What are the advantages of each

Front view of Intel E3940

Reasons to consider the
Intel E3940

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Better performance per watt 6.52 pt/W vs 4.27 pt/W Around 55% better performance per watt
Newer Oct, 2016 vs Oct, 2013 Release date over 3 years later
Better geekbench 3 Multi-Core score 3,564 vs 2,927 More than 20% better geekbench 3 Multi-Core score
Front view of Intel Celeron J1900

Reasons to consider the
Intel Celeron J1900

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Much better geekbench 3 AES single core score 56,900 MB/s vs 868.7 MB/s More than 65.5x better geekbench 3 AES single core score
Higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
Much higher GPU clock speed 688 MHz vs 400 MHz More than 70% higher GPU clock speed

Benchmarks Real world tests of E3940 vs Celeron J1900

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E3940
3,564

GeekBench 3 (Single core) Data courtesy Primate Labs

E3940
1,086

GeekBench 3 (AES single core) Data courtesy Primate Labs

E3940
868.7 MB/s
Celeron J1900
56,900 MB/s

Specifications Full list of technical specs

summary

E3940  vs
Celeron J1900 
Clock speed 1.6 GHz 2 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 9.5W 10W
Annual home energy cost 2.29 $/year 2.41 $/year
Annual commercial energy cost 8.32 $/year 8.76 $/year
Performance per watt 6.52 pt/W 4.27 pt/W
Typical power consumption 7.72W 8.13W

bus

Architecture FSB FSB
Number of links 1 1

details

E3940  vs
Celeron J1900 
Architecture x86-64 x86-64
Threads 4 4
Manufacture process 14 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 500 Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 400 MHz 688 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 8,192 MB 8,192 MB
Intel E3940
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Intel Celeron J1900
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