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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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SpecCerebras Wafer-Scale Engine 3NVIDIA DGX Spark
Cores900,000
CPU Breakdown10x Arm Cortex-X925 + 10x Arm Cortex-A725
CPU Cores Total20
DIE Size MM246,225
Dimensions MM150 x 150 x 50.5
Ethernet1x 10 GbE RJ-45
Fabric Bandwidth PB S27
FP4 Pflops Sparse1
Gb10 TDP Watts140
GPU ArchBlackwell, 5th-gen Tensor Cores, 4th-gen RT Cores
Memory bandwidth (GB/s)273
Memory Bandwidth PB S21
Memory Interface BIT256
Memory typeLPDDR5X
MSRP (USD)↓ better4,699
NICConnectX-7 @ 200 Gbps
ON Chip Sram GB44
Peak AI Petaflops125
Process NodeTSMC 5nm
PSU Watts240
Storage4TB NVMe M.2 self-encrypting
SuperchipNVIDIA GB10 Grace Blackwell
Transistors Trillion4
Unified Memory GB128
Weight KG1.2
WirelessWi-Fi 7, Bluetooth 5.4
Compare · Cerebras Wafer-Scale Engine 3 vs NVIDIA DGX Spark · MadCoolStuff