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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 Breakdown—10x Arm Cortex-X925 + 10x Arm Cortex-A725
CPU Cores Total—20
CS4 Introduced2026-08-18—
CS4 Wse3 Turbo Count3—
DIE Size MM246,225—
Dimensions MM—150 x 150 x 50.5
Ethernet—1x 10 GbE RJ-45
Fabric Bandwidth Pbit S214—
FP4 Pflops Sparse—1
Gb10 TDP Watts—140
GPU Arch—Blackwell, 5th-gen Tensor Cores, 4th-gen RT Cores
Launch Price USD—3,999
Memory bandwidth (GB/s)—273
Memory Bandwidth PB S21—
Memory Interface BIT—256
Memory type—LPDDR5X
MSRP (USD)↓ better—4,699
NIC—ConnectX-7 @ 200 Gbps
ON Chip Sram GB44—
Peak AI Petaflops125—
Price Change Effective—2026-02-23
Process NodeTSMC 5nm—
PSU Watts—240
Storage—4TB NVMe M.2 self-encrypting
Superchip—NVIDIA GB10 Grace Blackwell
Transistors Trillion4—
Unified Memory GB—128
Weight KG—1.2
Wireless—Wi-Fi 7, Bluetooth 5.4
Wse3 Turbo Peak AI Petaflops250—