Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

NVIDIA · accelerator

AMD · accelerator

2 of 27 fields comparable

Spec	NVIDIA B200	AMD Instinct MI355X
HBM (GB)	180	288
Memory bandwidth (TB/s)	8	8
Bf16 Matrix Pflops Dense	—	5
Chip TO Chip Interconnect TB S	10	—
Compute Units	—	256
Form factor	—	OAM (liquid-cooled)
Fp16 Bf16 Pflops	4.5	—
Fp16 Matrix Pflops Dense	—	5
FP32 TFLOPS	75	—
Fp32 Vector Tflops	—	157.3
FP4 Matrix Pflops Dense	—	20.1
FP4 Pflops Dense	9	—
FP4 Pflops Sparse	18	—
FP6 Matrix Pflops Dense	—	20.1
Fp64 Matrix Tflops	—	78.6
FP64 TFLOPS	37	—
FP8 Matrix Pflops Dense	—	10.1
FP8 Pflops	9	—
HBM Type	—	HBM3E
Int8 Pops	9	—
Nvlink Generation	5	—
Nvlink GPU TO GPU TB S	1.8	—
Pcie GEN	—	5
Process Node	TSMC 4NP	—
Process Node NM	—	3
TBP Watts	—	1,400
Transistor Count Billion	208	—