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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 23 fields comparable

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SpecNVIDIA H100OpenAI GPT-5
BF16 TFLOPS (sparse)1,979—
Codex Synergy Precision Bonus—12
Form factorSXM—
FP16 TFLOPS (dense)989.5—
FP16 TFLOPS (sparse)1,979—
FP32 TFLOPS67—
FP64 Tensor TFLOPS67—
FP64 TFLOPS34—
FP8 TFLOPS (dense)1,979—
FP8 TFLOPS (sparse)3,958—
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)80—
INT8 TOPS (sparse)3,958—
Memory bandwidth (TB/s)3.35—
Memory typeHBM3—
NVLink bandwidth (GB/s)900—
TDP max (W)↓ better700—
TF32 TFLOPS (sparse)989—
Version Major—5