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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 26 fields comparable

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SpecAMD Instinct MI300XOpenAI GPT-5
Bf16 Matrix Tflops Dense1,307.4—
Codex Synergy Precision Bonus—12
Compute Units304—
Form factorOAM—
Fp16 Matrix Tflops Dense1,307.4—
Fp32 Vector Tflops163.4—
Fp64 Matrix Tflops163.4—
Fp64 Vector Tflops81.7—
FP8 Matrix Tflops Dense2,614.9—
FP8 Matrix Tflops Sparse5,229.8—
Gpt5 Context Window Tokens K—400
Gpt5 Input PER 1M USD—1.25
Gpt5 Output PER 1M USD—10
Gpt5 Snapshot—gpt-5-2025-08-07
Gpt6 Astra Launch—2026-09-03
HBM (GB)192—
HBM TypeHBM3—
INT8 TOPS (dense)2,614.9—
Matrix Cores1,216—
Memory bandwidth (TB/s)5.3—
Pcie GEN5—
Process Node NM5—
TBP Watts750—
Tf32 Matrix Tflops Dense653.7—
Tf32 Matrix Tflops Sparse1,307.4—
Version Major—5