Ngspice vs Xyce

Ngspice — Ngspice is an open-source circuit simulator for electronics and semiconductors. It allows analyzing, modeling, and testing analog, digital and mixed-signal circuits with over 500 spice models of MOSFE

Xyce — Xyce is an open-source electronic circuit simulator that utilizes parallel computing to achieve high performance. It is designed as an alternative to proprietary simulators like SPICE or HSPICE, with

Ngspice offers SPICE circuit simulator, Supports digital, analog and mixed-mode circuits, Has an extensive model library, Supports PSpice compatible models, Has a graphical waveform viewer, while Xyce provides Open-source SPICE-compatible circuit simulator, Utilizes parallel computing for high performance, Netlist compatibility with proprietary simulators, Wide range of device models and analysis modes, Command line, Python, and Parallel computing interfaces.

Ngspice stands out for Free and open source, Powerful simulation capabilities, Large model library; Xyce is known for Free and open source, High simulation speed via parallel computing, Compatible with existing SPICE netlists.

Feature	Ngspice	Xyce
Overall Score	N/A	N/A
Primary Category	Development	Development
Pricing	Free	Open Source

Product Overview

Ngspice

Description: Ngspice is an open-source circuit simulator for electronics and semiconductors. It allows analyzing, modeling, and testing analog, digital and mixed-signal circuits with over 500 spice models of MOSFETs, BJTs, diodes, transformers, etc.

Xyce

Description: Xyce is an open-source electronic circuit simulator that utilizes parallel computing to achieve high performance. It is designed as an alternative to proprietary simulators like SPICE or HSPICE, with compatibility for Netlist formats and models.

Key Features Comparison

Ngspice Features

• SPICE circuit simulator
• Supports digital, analog and mixed-mode circuits
• Has an extensive model library
• Supports PSpice compatible models
• Has a graphical waveform viewer
• Can generate netlists from schematics
• Has Monte Carlo and worst-case analysis
• Can do DC, AC, Transient and Fourier analysis

Xyce Features

• Open-source SPICE-compatible circuit simulator
• Utilizes parallel computing for high performance
• Netlist compatibility with proprietary simulators
• Wide range of device models and analysis modes
• Command line, Python, and Parallel computing interfaces
• Can handle large circuit simulations

Pros & Cons Analysis

Ngspice

Pros

• Free and open source
• Powerful simulation capabilities
• Large model library
• Compatible with many SPICE models
• Good for learning circuit simulation

Cons

• Steep learning curve
• Limited documentation and support
• No integrated schematic editor
• User interface is not very intuitive

Xyce

Pros

• Free and open source
• High simulation speed via parallel computing
• Compatible with existing SPICE netlists
• Large device model library
• Can handle large circuits

Cons

• Limited graphical user interface
• Steep learning curve
• Requires expertise to utilize parallel capabilities
• Limited technical support compared to commercial tools

Pricing Comparison

Ngspice

• Free

Xyce

• Open Source