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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 38 fields comparable

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SpecAMD Instinct MI355XNVIDIA HGX B200
Bf16 Matrix Pflops Dense2.5—
Bf16 Matrix Pflops Sparse5—
Compute Units256—
Coolingdirect liquid cooling (air-cooled option available)—
Form factorOAM—
Fp16 Bf16 Pflops—36
Fp16 Matrix Pflops Dense2.5—
Fp16 Matrix Pflops Sparse5—
FP32 TFLOPS—600
Fp32 Vector Tflops157.3—
FP4 Pflops Dense—72
FP4 Pflops Sparse—144
Fp64 Matrix Tflops78.6—
FP64 TFLOPS—296
FP8 FP6 Pflops—72
FP8 Matrix Pflops Dense5—
FP8 Matrix Pflops Sparse10.1—
Gpus—8
HBM (GB)288—
HBM TypeHBM3E—
Helios Gpus PER Rack72—
Int8 Pops—72
Memory bandwidth (TB/s)8—
Mxfp4 Matrix Pflops10.1—
Mxfp6 Matrix Pflops10.1—
Networking Bandwidth TB S—0.8
Nvlink Generation—5
Nvlink GPU TO GPU TB S—1.8
Pcie GEN5—
Process Node NM3—
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—
Total HBM GB—1,400
Total Nvlink Bandwidth TB S—14.4