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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 34 fields comparable

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SpecAMD Instinct MI355XNVIDIA B100
Bf16 Matrix Pflops Dense2.5—
Bf16 Matrix Pflops Sparse5—
Chip TO Chip Interconnect TB S—10
Compute Units256—
Coolingdirect liquid cooling (air-cooled option available)—
Form factorOAM—
Fp16 Matrix Pflops Dense2.5—
Fp16 Matrix Pflops Sparse5—
Fp32 Vector Tflops157.3—
Fp64 Matrix Tflops78.6—
FP8 Matrix Pflops Dense5—
FP8 Matrix Pflops Sparse10.1—
HBM (GB)288—
HBM GB Unverified—192
HBM TypeHBM3E—
Helios Gpus PER Rack72—
Memory bandwidth (TB/s)8—
Memory Bandwidth TB S Unverified—8
Mxfp4 Matrix Pflops10.1—
Mxfp6 Matrix Pflops10.1—
Nvlink Generation—5
Nvlink GPU TO GPU TB S—1.8
Pcie GEN5—
Process Node—TSMC 4NP
Process Node NM3—
Status—not listed by NVIDIA
Successor Cdna Version5—
Successor FamilyAMD Instinct MI400 Series (MI455X)—
Successor Launch2026-07-23—
Successor Mi455x Bandwidth TB S23.3—
Successor Mi455x Hbm4 GB432—
TBP Watts1,400—
TDP Watts Unverified—700
Transistor Count Billion—208