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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 23 fields comparable

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SpecSambaNova SN40L Reconfigurable Dataflow UnitCerebras Wafer-Scale Engine 3
Bf16 Tflops PER Socket638—
Cores—900,000
CS4 Introduced—2026-08-18
CS4 Wse3 Turbo Count—3
Current Family ListedSN50, SN40—
DDR Bandwidth GB S200—
Ddr5 Capacity TB1.5—
DIE Size MM2—46,225
Fabric Bandwidth Pbit S—214
HBM Bandwidth TB S1.8—
Hbm3 Capacity GB64—
Memory Bandwidth PB S—21
ON Chip Sram GB—44
ON Chip Sram MB520—
Packaging3x CoWoS-S, 2 accelerator dies—
Pattern Compute Units1,040—
Peak AI Petaflops—125
Process NodeTSMC 5nmTSMC 5nm
Status Checked2026-09-24—
SuccessorSN50 (fifth-generation RDU)—
Successor Introduced2026-02-24—
Transistors Trillion—4
Wse3 Turbo Peak AI Petaflops—250