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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.

Rig A

Cerebras Wafer-Scale Engine 3

Cerebras · accelerator

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Rig B

AMD Instinct MI355X

AMD · accelerator

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0 of 23 fields comparable

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SpecCerebras Wafer-Scale Engine 3AMD Instinct MI355X
Bf16 Matrix Pflops Dense—5
Compute Units—256
Cores900,000—
DIE Size MM246,225—
Fabric Bandwidth PB S27—
Form factor—OAM (liquid-cooled)
Fp16 Matrix Pflops Dense—5
Fp32 Vector Tflops—157.3
FP4 Matrix Pflops Dense—20.1
FP6 Matrix Pflops Dense—20.1
Fp64 Matrix Tflops—78.6
FP8 Matrix Pflops Dense—10.1
HBM (GB)—288
HBM Type—HBM3E
Memory bandwidth (TB/s)—8
Memory Bandwidth PB S21—
ON Chip Sram GB44—
Pcie GEN—5
Peak AI Petaflops125—
Process NodeTSMC 5nm—
Process Node NM—3
TBP Watts—1,400
Transistors Trillion4—
Compare · Cerebras Wafer-Scale Engine 3 vs AMD Instinct MI355X · MadCoolStuff