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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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SpecOpenAI GPT-5SambaNova SN40L Reconfigurable Dataflow Unit
Bf16 Tflops PER Socket—638
Codex Synergy Precision Bonus12—
Current Family Listed—SN50, SN40
DDR Bandwidth GB S—200
Ddr5 Capacity TB—1.5
Gpt5 Context Window Tokens K400—
Gpt5 Input PER 1M USD1.25—
Gpt5 Output PER 1M USD10—
Gpt5 Snapshotgpt-5-2025-08-07—
Gpt6 Astra Launch2026-09-03—
HBM Bandwidth TB S—1.8
Hbm3 Capacity GB—64
ON Chip Sram MB—520
Packaging—3x CoWoS-S, 2 accelerator dies
Pattern Compute Units—1,040
Process Node—TSMC 5nm
Status Checked—2026-09-24
Successor—SN50 (fifth-generation RDU)
Successor Introduced—2026-02-24
Version Major5—