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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 28 fields comparable

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SpecEl CapitanNVIDIA GH200 Grace Hopper
AcceleratorAMD Instinct MI300A (APU)—
Cores11,340,000—
CPUAMD 4th Gen EPYC 24C 1.8GHz—
Grace CPU Arch—Arm Neoverse V2
Grace CPU Cores—72
HBM GB Hbm3—96
HBM GB Hbm3e—144
Hbm3e Bandwidth TB S—4.9
Hpcg Tflops17,406—
Installation Year2,024—
InterconnectHPE Slingshot-11—
LocationDOE/NNSA/Lawrence Livermore National Laboratory—
Lpddr5x GB MAX—480
ManufacturerHPE—
ModelHPE Cray EX255a—
Nvl2 AI Petaflops—8
Nvl2 Combined Bandwidth TB S—10
Nvl2 Total Hbm3e GB—282
Nvl2 Total Memory TB—1.2
Nvlink C2C Bandwidth GB S—900
Power KW29,684.62—
Rmax Pflops1,809—
Rpeak Pflops2,821.1—
TDP Watts MAX Unverified—1,000
Top500 Jun2026 NO1LineShine (National Supercomputing Centre in Shenzhen, China)—
Top500 Rank Jun20262—
Top500 Rank Nov20241—
Top500 Rank Nov20251—