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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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SpecNVIDIA DGX SparkFrontier (OLCF-5)
Accelerator—AMD Instinct MI250X
Cabinets—74
Cores—9,066,176
CPU—AMD 3rd Gen EPYC 64C 2GHz
CPU Breakdown10x Arm Cortex-X925 + 10x Arm Cortex-A725—
CPU Cores Total20—
Dimensions MM150 x 150 x 50.5—
Ethernet1x 10 GbE RJ-45—
FP4 Pflops Sparse1—
Gb10 TDP Watts140—
GPU ArchBlackwell, 5th-gen Tensor Cores, 4th-gen RT Cores—
Installation Year—2,021
Interconnect—HPE Slingshot-11
Launch Price USD3,999—
Location—DOE/SC/Oak Ridge National Laboratory
Manufacturer—HPE
Memory bandwidth (GB/s)273—
Memory Interface BIT256—
Memory typeLPDDR5X—
Model—HPE Cray EX235a
MSRP (USD)↓ better4,699—
NICConnectX-7 @ 200 Gbps—
Power KW—24,607
Price Change Effective2026-02-23—
PSU Watts240—
Rmax Pflops—1,353
Rpeak Pflops—2,055.72
Storage4TB NVMe M.2 self-encrypting—
SuperchipNVIDIA GB10 Grace Blackwell—
Top500 Rank Jun2026—3
Top500 Rank Nov2025—2
Unified Memory GB128—
Weight KG1.2—
WirelessWi-Fi 7, Bluetooth 5.4—