Synopsys PrimeSim SPICE is a SPICE-class circuit simulator that performs signoff-accuracy transistor-level simulation for analog, RF, and mixed-signal designs and emphasizes multi-core/multi-machine scaling and heterogeneous GPU/CPU acceleration.
Published Sep 12, 2026
Synopsys press releases cite large semiconductor customers as examples of adoption. Public customer counts or penetration metrics for PrimeSim SPICE are not provided.
| Starting Price | Quote-based (enterprise sales) | Quote-based (enterprise sales) | Open-source (no license fee; engineering/support costs apply) |
| Best For | Analog/RF/AMS signoff workloads requiring scaling and GPU acceleration | Cadence-centered custom IC flows; broad analog IC signoff ecosystem | Education, prototyping, smaller circuits, academic workflows |
| Key Strength | Reported GPU/CPU heterogeneous acceleration and multi-engine workflow integration | Integration with Cadence Virtuoso/ADE ecosystem; broad adoption in analog IC teams | Cost and accessibility; flexibility for experimentation |
| Key Weakness | Opaque pricing; potential platform/flow lock-in; limited independent public reviews | Opaque pricing; complex licensing; community complaints about upgrade/testing practices in some contexts | Typically not suitable for signoff in advanced-node PDK flows; performance/capacity limitations |
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