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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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Higher clock speed 1.6 GHz vs 1.3 GHz Around 25% higher clock speed
Significantly better geekbench 3 Multi-Core score 3,564 vs 1,531.5 More than 2.2x better geekbench 3 Multi-Core score
More cores 4 vs 2 Twice as many cores; run more applications at once
Better geekbench 3 single core score 1,086 vs 835 More than 30% better geekbench 3 single core score
More threads 4 vs 2 Twice as many threads
Better performance per watt 6.52 pt/W vs 5.48 pt/W Around 20% better performance per watt
Front view of Intel E3930

Reasons to consider the
Intel E3930

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Slightly lower typical power consumption 5.28W vs 7.72W More than 30% lower typical power consumption
Slightly higher Maximum operating temperature 103 °C vs 100 °C Around 5% higher Maximum operating temperature
Slightly lower annual commercial energy cost 5.69 $/year vs 8.32 $/year More than 30% lower annual commercial energy cost
Slightly lower annual home energy cost 1.57 $/year vs 2.29 $/year More than 30% lower annual home energy cost

Benchmarks Real world tests of E3940 vs E3930

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E3940
3,564
E3930
1,531.5

GeekBench 3 (Single core) Data courtesy Primate Labs

E3940
1,086
E3930
835

GeekBench 3 (AES single core) Data courtesy Primate Labs

E3940
868.7 MB/s
E3930
632.3 MB/s

Specifications Full list of technical specs

summary

E3940  vs
E3930 
Clock speed 1.6 GHz 1.3 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
AES
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 8,192 MB 8,192 MB

details

E3940  vs
E3930 
Architecture x86-64 x86-64
Threads 4 2
Manufacture process 14 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 103°C

integrated graphics

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

power consumption

TDP 9.5W 6.5W
Annual home energy cost 2.29 $/year 1.57 $/year
Annual commercial energy cost 8.32 $/year 5.69 $/year
Performance per watt 6.52 pt/W 5.48 pt/W
Typical power consumption 7.72W 5.28W

bus

Architecture FSB FSB
Number of links 1 1
Intel E3940
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Intel E3930
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