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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

NVIDIA B200

NVIDIA · accelerator

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Rig B

AMD Instinct MI355X

AMD · accelerator

Change

2 of 37 fields comparable

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NVIDIA B200AMD Instinct MI355X
HBM (GB)
180
288
Memory bandwidth (TB/s)
8
8
SpecNVIDIA B200AMD Instinct MI355X
HBM (GB)180288
Memory bandwidth (TB/s)88
Bf16 Matrix Pflops Dense—2.5
Bf16 Matrix Pflops Sparse—5
Chip TO Chip Interconnect TB S10—
Compute Units—256
Cooling—direct liquid cooling (air-cooled option available)
Form factor—OAM
Fp16 Bf16 Pflops4.5—
Fp16 Matrix Pflops Dense—2.5
Fp16 Matrix Pflops Sparse—5
FP32 TFLOPS75—
Fp32 Vector Tflops—157.3
FP4 Pflops Dense9—
FP4 Pflops Sparse18—
Fp64 Matrix Tflops—78.6
FP64 TFLOPS37—
FP8 Matrix Pflops Dense—5
FP8 Matrix Pflops Sparse—10.1
FP8 Pflops9—
HBM Type—HBM3E
Helios Gpus PER Rack—72
Int8 Pops9—
Mxfp4 Matrix Pflops—10.1
Mxfp6 Matrix Pflops—10.1
Nvlink Generation5—
Nvlink GPU TO GPU TB S1.8—
Pcie GEN—5
Process NodeTSMC 4NP—
Process Node NM—3
Successor Cdna Version—5
Successor Family—AMD Instinct MI400 Series (MI455X)
Successor Launch—2026-07-23
Successor Mi455x Bandwidth TB S—23.3
Successor Mi455x Hbm4 GB—432
TBP Watts—1,400
Transistor Count Billion208—