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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.

2 of 37 fields comparable

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AMD Instinct MI355XNVIDIA H200
HBM (GB)
288
141
Memory bandwidth (TB/s)
8
4.8
SpecAMD Instinct MI355XNVIDIA H200
HBM (GB)288141
Memory bandwidth (TB/s)84.8
Bf16 Matrix Pflops Dense2.5—
Bf16 Matrix Pflops Sparse5—
BF16 TFLOPS (sparse)—1,979
Compute Units256—
Coolingdirect liquid cooling (air-cooled option available)—
Form factorOAMSXM
Fp16 Matrix Pflops Dense2.5—
Fp16 Matrix Pflops Sparse5—
FP16 TFLOPS (sparse)—1,979
FP32 TFLOPS—67
Fp32 Vector Tflops157.3—
Fp64 Matrix Tflops78.6—
FP64 TFLOPS—34
FP8 Matrix Pflops Dense5—
FP8 Matrix Pflops Sparse10.1—
FP8 TFLOPS (sparse)—3,958
HBM TypeHBM3E—
Helios Gpus PER Rack72—
INT8 TOPS (sparse)—3,958
Memory type—HBM3e
MIG Instances—7
MIG PER Instance GB—18
Mxfp4 Matrix Pflops10.1—
Mxfp6 Matrix Pflops10.1—
NVLink bandwidth (GB/s)—900
Pcie GEN5—
Pcie Gen5 Bandwidth GB S—128
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—
TDP max (W)↓ better—700