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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 26 fields comparable

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SpecCerebras Wafer-Scale Engine 3AMD Instinct MI325X
Bf16 Matrix Tflops Dense—1,307.4
Compute Units—304
Cores900,000—
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
DIE Size MM246,225—
Fabric Bandwidth Pbit S214—
Form factor—OAM
Fp16 Matrix Tflops Dense—1,307.4
Fp32 Vector Tflops—163.4
Fp64 Matrix Tflops—163.4
FP8 Matrix Tflops Dense—2,614.9
FP8 Matrix Tflops Sparse—5,229.8
HBM (GB)—256
HBM Type—HBM3E
INT8 TOPS (dense)—2,614.9
Memory bandwidth (TB/s)—6
Memory Bandwidth PB S21—
ON Chip Sram GB44—
Pcie GEN—5
Peak AI Petaflops125—
Process NodeTSMC 5nm—
TBP Watts—1,000
Tf32 Matrix Tflops Dense—653.7
Transistors Trillion4—
Wse3 Turbo Peak AI Petaflops250—