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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 31 fields comparable

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SpecNVIDIA DGX SparkFrontier (OLCF-5)
AcceleratorAMD Instinct MI250X
Cabinets74
Cores9,066,176
CPUAMD 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 Year2,021
InterconnectHPE Slingshot-11
LocationDOE/SC/Oak Ridge National Laboratory
ManufacturerHPE
Memory bandwidth (GB/s)273
Memory Interface BIT256
Memory typeLPDDR5X
ModelHPE Cray EX235a
MSRP (USD)↓ better4,699
NICConnectX-7 @ 200 Gbps
Power KW24,607
PSU Watts240
Rmax Pflops1,353
Rpeak Pflops2,055.72
Storage4TB NVMe M.2 self-encrypting
SuperchipNVIDIA GB10 Grace Blackwell
Top500 Rank Nov20252
Unified Memory GB128
Weight KG1.2
WirelessWi-Fi 7, Bluetooth 5.4
Compare · NVIDIA DGX Spark vs Frontier (OLCF-5) · MadCoolStuff