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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.

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SpecFrontier (OLCF-5)Groq Language Processing Unit
AcceleratorAMD Instinct MI250X—
Cabinets74—
Chip TO Chip Links—11
Cores9,066,176—
CPUAMD 3rd Gen EPYC 64C 2GHz—
DOJ Probe Reported—2026-09-10
Form factor—PCIe Gen4 x16
Groq3 LPX Full Production—2026-08-24
Groqcard Sales Ended Reported—2024-04-05
Installation Year2,021—
InterconnectHPE Slingshot-11—
LocationDOE/SC/Oak Ridge National Laboratory—
ManufacturerHPE—
ModelHPE Cray EX235a—
Nvidia Consideration AT Closing USD Billion—13
Nvidia Consideration Deferred USD Billion—4
Nvidia License Agreement—2025-12-24
ON Chip Sram MB—230
ON DIE Memory Bandwidth TB S—80
Peak Fp16 Tflops—188
Peak Int8 Tops—750
Power KW24,607—
Process Node—14nm
Rmax Pflops1,353—
Rpeak Pflops2,055.72—
Status Checked—2026-09-24
Top500 Rank Jun20263—
Top500 Rank Nov20252—