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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.

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SpecCerebras Wafer-Scale Engine 3Groq Language Processing Unit
Chip TO Chip Links—11
Cores900,000—
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
DIE Size MM246,225—
DOJ Probe Reported—2026-09-10
Fabric Bandwidth Pbit S214—
Form factor—PCIe Gen4 x16
Groq3 LPX Full Production—2026-08-24
Groqcard Sales Ended Reported—2024-04-05
Memory Bandwidth PB S21—
Nvidia Consideration AT Closing USD Billion—13
Nvidia Consideration Deferred USD Billion—4
Nvidia License Agreement—2025-12-24
ON Chip Sram GB44—
ON Chip Sram MB—230
ON DIE Memory Bandwidth TB S—80
Peak AI Petaflops125—
Peak Fp16 Tflops—188
Peak Int8 Tops—750
Process NodeTSMC 5nm14nm
Status Checked—2026-09-24
Transistors Trillion4—
Wse3 Turbo Peak AI Petaflops250—