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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 32 fields comparable

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SpecEl CapitanNVIDIA H100
AcceleratorAMD Instinct MI300A (APU)—
BF16 TFLOPS (sparse)—1,979
Cores11,340,000—
CPUAMD 4th Gen EPYC 24C 1.8GHz—
Form factor—SXM
FP16 TFLOPS (dense)—989.5
FP16 TFLOPS (sparse)—1,979
FP32 TFLOPS—67
FP64 Tensor TFLOPS—67
FP64 TFLOPS—34
FP8 TFLOPS (dense)—1,979
FP8 TFLOPS (sparse)—3,958
HBM (GB)—80
Hpcg Tflops17,406—
Installation Year2,024—
INT8 TOPS (sparse)—3,958
InterconnectHPE Slingshot-11—
LocationDOE/NNSA/Lawrence Livermore National Laboratory—
ManufacturerHPE—
Memory bandwidth (TB/s)—3.35
Memory type—HBM3
ModelHPE Cray EX255a—
NVLink bandwidth (GB/s)—900
Power KW29,684.62—
Rmax Pflops1,809—
Rpeak Pflops2,821.1—
TDP max (W)↓ better—700
TF32 TFLOPS (sparse)—989
Top500 Jun2026 NO1LineShine (National Supercomputing Centre in Shenzhen, China)—
Top500 Rank Jun20262—
Top500 Rank Nov20241—
Top500 Rank Nov20251—