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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 20 fields comparable

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SpecAMD Instinct MI325XOpenAI GPT-5 Core
Bf16 Matrix Tflops Dense1,307.4
Codex Synergy Precision Bonus12
Compute Units304
Context Window Tokens M2
Form factorOAM
Fp16 Matrix Tflops Dense1,307.4
Fp32 Vector Tflops163.4
Fp64 Matrix Tflops163.4
FP8 Matrix Tflops Dense2,614.9
FP8 Matrix Tflops Sparse5,229.8
HBM (GB)256
HBM TypeHBM3E
INT8 TOPS (dense)2,614.9
Memory bandwidth (TB/s)6
Pcie GEN5
Pricing Input PER 1M USD12
Pricing Output PER 1M USD60
TBP Watts1,000
Tf32 Matrix Tflops Dense653.7
Version Major5
Compare · AMD Instinct MI325X vs OpenAI GPT-5 Core · MadCoolStuff