Table 1.

Summary of comparison of various RPU system designs and state-of-the-art CPU and GPU.

System	Throughput (TeraOps/s)	Power (W)	Power efficiency (GigaOps/s/W)	Network size (number of weights)	Acceleration vs. CPU
CPU Power8 12 Cores	0.676	250	2.7	–	1
GPU NVidia Tesla K40	4.3	242	17.8	–	6.4
Design 1	5000	250	20,100	200 M	7400
Design 2	21,000	250	83,800	840 M	31,000
Design 3	420	22	19,000	1680 M	620