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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

0 of 27 fields comparable

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SpecCerebras Wafer-Scale Engine 3Tesla Optimus
AI StackTesla FSD-derived end-to-end neural networks (vision-only)
Battery KWH2.3
Cores900,000
DIE Size MM246,225
Fabric Bandwidth PB S27
Gen2 Announcement Date2023-12-13
Gen2 Hand DOF11
Gen2 Height CM173
Gen2 Neck DOF2
Gen2 Total DOF Unverified28
Gen2 Walking Speed Boost PCT30
Gen2 Weight KG57
Gen2 Weight Reduction KG10
Gen3 Announcement QuarterQ1 2026
Gen3 Forearm Actuators25
Gen3 Hand DOF22
Gen3 Payload KG20
Gen3 Production Targetsummer 2026
Gen3 Total Actuators PER Robot50
Memory Bandwidth PB S21
ON Chip Sram GB44
Payload PER Hand KG9
Peak AI Petaflops125
Process NodeTSMC 5nm
Runtime Hours Light Duty8
Transistors Trillion4
Walking Speed KM H8
Compare · Cerebras Wafer-Scale Engine 3 vs Tesla Optimus · MadCoolStuff