"The new processor, code-named "TrueNorth," has 5.4 billion transistors woven into an on-chip network of 4,096 neurosynaptic cores, producing the equivalent of 256 million synapses, much larger than the 2011 design of roughly 260,000 synapses.
IBM has also tethered 16 of these chips together in four four-by-four arrays, which collectively offer the equivalent of 16 million neurons and 4 billion synapses, showing that the design can be easily scaled up for larger implementations."
The IBM "TrueNorth" chip is designed for low power consumption, shown in this thermal image that shows the cool TrueNorth chip alongside hot FPGA chips that are feeding data to TrueNorth.
"This chip architecture approximated how the human brain works, in that each "neurosynaptic core" has its own memory ("synapses"), a processor ("neuron") and communication conduit ("axons"), which all operate together in an event-driven fashion.
By working together, these cores could provide nuanced pattern recognition and other sensing capabilities, in much the same way a brain does.
Like the brain, this chip requires very little power-only 70mW during typical operation, which is an order of magnitude lower than what standard processors would require to execute the same operations. Samsung fabricated the prototype chip using a 28-nanometer lithographic process.
Requiring so little power-less than that required by a hearing aid-opens up a vast array of potential uses, especially on devices with limited power sources."
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http://www.pcworld.com/article/2462960/ibms-new-brain-chip-could-power-the-internet-of-things.html
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