Table 4.

Comparison of with other large-scale neuromorphic systems.

	Neurogrid	BrainScaleS	TrueNorth	HiAER-IFAT	SpiNNaker	This work
Technology	Analog	Analog	Digital	Analog	Digital	Digital
Feature size	180 nm	180 nm	28 nm	130 nm	130 nm	28 nm
Chips	16	352	16	16	48	1
Neurons	1 M	200 k	16 M	1 M	768 k	20 M*
Synapses	4 G	40 M	4 G	1 G	768 M	4 T*
Power	3 W	500 W	3.2 W	40 W	80 W	32 W
Interconnect	Tree-multicast	Hierarchical	2D mesh-unicast	Hierarchical	2D mesh-unicast	Hierarchical
Neuron model	Adaptive quadratic IF	Adaptive exponential IF	Configurable LIF	2-compartment LIF	Programmable	2-compartment LIF
Synapse model	Shared dendrite	4-bit digital	Binary, 4 modulators	Shared conductance-based	Programmable	Shared conductance-based
Axon model	Axonal arbor	Speed-up Programmable delay	Four types of axonal delay	digital programmable delay	4-bit digital programmable delay	4-bit digital programmable delay

^*To provide a fair comparison, the dynamic assignment ratio was set to 1:1.