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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 3NVIDIA H100
BF16 TFLOPS (sparse)—1,979
Cores900,000—
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
DIE Size MM246,225—
Fabric Bandwidth Pbit S214—
Form factor—SXM
FP16 TFLOPS (dense)—989.5
FP16 TFLOPS (sparse)—1,979
FP32 TFLOPS—67
FP64 Tensor TFLOPS—67
FP64 TFLOPS—34
FP8 TFLOPS (dense)—1,979
FP8 TFLOPS (sparse)—3,958
HBM (GB)—80
INT8 TOPS (sparse)—3,958
Memory bandwidth (TB/s)—3.35
Memory Bandwidth PB S21—
Memory type—HBM3
NVLink bandwidth (GB/s)—900
ON Chip Sram GB44—
Peak AI Petaflops125—
Process NodeTSMC 5nm—
TDP max (W)↓ better—700
TF32 TFLOPS (sparse)—989
Transistors Trillion4—
Wse3 Turbo Peak AI Petaflops250—