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PCB Design Software: Detailed Guidance

PCB design and ECAD software should be chosen around the engineering environment you need to maintain. Schematic capture, PCB layout, electrical constraints, collaboration, simulation, mechanical integration, and existing project files can make otherwise similar-looking tools materially different choices.

Modern Altium and Cadence workflows can both take an electronic design from schematic definition into PCB implementation. The decision becomes more meaningful when you look at project data, board complexity, electrical constraints, collaboration, mechanical integration, simulation requirements, and the design files your organization already owns.

EAGLE is now a different case entirely: it belongs to a legacy workflow rather than a current Autodesk-supported PCB platform.

Use the paths below to identify which of these situations matches your project before moving to a product page.

Start with the workflow you need

For a new project, the meaningful comparison is primarily between the current Altium and Cadence environments. EAGLE should enter the decision only when a real legacy dependency exists.

Choose Altium when the unified PCB environment is central

Altium Designer is a current professional PCB-design environment that brings schematic capture, PCB layout, analysis, design data, documentation, and manufacturing preparation into a unified workflow.

Current Altium documentation includes schematic-to-PCB synchronization, advanced routing, rigid-flex design, simulation, multi-board design, harness design, output preparation, data management, and collaboration.

That makes Altium a relevant route when the PCB is part of a broader electronic product-development process rather than an isolated board-layout task.

Consider Altium Designer when

• the same environment needs to carry a design from schematic into PCB layout and manufacturing output;
• complex rigid or rigid-flex board construction is important;
• multiple PCBs must be treated as parts of one electronic system;
• component, library, BOM, and design-data management matter to the team;
• electrical and mechanical engineers need an explicit ECAD-to-MCAD collaboration workflow.

Altium’s current CoDesigner workflow can exchange board and component information with supported MCAD environments through an Altium Workspace. Current documentation lists integrations including SOLIDWORKS, Creo, Inventor, Fusion, NX, and Onshape, although exact supported versions depend on the current plug-in compatibility matrix.

That last condition matters: do not buy based on the name of a supported MCAD system alone. Verify the exact product and release combination you intend to use.

Choose OrCAD when the Cadence workflow is the requirement

OrCAD is the approved path for users who need the Cadence PCB environment.

Cadence’s current generation is OrCAD X. Its PCB workflow includes OrCAD X Capture for schematic work and OrCAD X PCB Layout for physical board implementation, with constraint management, collaboration, analysis, 3D review, manufacturability checks, and manufacturing documentation integrated across the environment.

Cadence also continues the close relationship between OrCAD and its broader PCB-analysis ecosystem, including PSpice and Allegro-oriented workflows.

Consider OrCAD when

• existing company projects, libraries, or processes are already Cadence-based;
• schematic capture and PCB layout need to stay inside the OrCAD/Cadence data flow;
• constraint-driven board implementation is a major selection criterion;
• circuit simulation is an important part of the electronic-design process;
• the team expects to remain connected to the broader Cadence PCB ecosystem.

Current Cadence material also describes 3D board review with STEP model imports and IDX exchange, so mechanical fit is not an Altium-only concern.

The important question is therefore not “Which product has 3D?” but which ecosystem, project data, collaboration process, and analysis workflow your organization actually needs to preserve.

Altium vs OrCAD: what should drive the choice?

Both are current professional PCB environments. Start with the factors that are difficult or expensive to change later.

Existing project and library data

If your organization already owns years of validated symbols, footprints, design templates, project files, automation, and review procedures in one ecosystem, migration cost can matter more than an isolated feature difference.

Identify:

• native schematic and PCB formats;
• library structure;
• managed-component data;
• templates and design rules;
• existing automation or scripts;
• manufacturing-output conventions.

Then test the actual migration path before standardizing on another platform.

PCB complexity

Define the boards you expect to produce rather than choosing for an abstract maximum.

Ask whether the real workload includes:

• straightforward rigid PCBs;
• dense high-speed designs;
• rigid-flex;
• many controlled electrical constraints;
• multiple interconnected boards;
• complex mechanical packaging.

A feature matters only if it materially changes those real projects.

Electrical analysis and constraints

Both ecosystems extend beyond drawing copper.

Determine which analyses need to happen inside the everyday design workflow and which can remain separate. Signal behavior, power integrity, circuit simulation, electrical-rule checking, manufacturability, and constraint management may have very different importance from one organization to another.

Do not compare these capabilities by checkbox alone. Verify whether the required analysis applies to your board technology and current product configuration.

ECAD and mechanical collaboration

For a product that must fit an enclosure, connector system, heatsink, mounting structure, or other mechanical assembly, PCB-to-MCAD exchange can become a primary criterion.

Altium provides a dedicated CoDesigner workflow with supported MCAD integrations. OrCAD X provides current 3D review and mechanical-exchange capabilities including STEP and IDX-based workflows.

Evaluate this with the actual mechanical CAD system and release your team uses.

Team collaboration and design data

For a single engineer, local editing efficiency may dominate.

For a larger team, ask instead:

• Can several people review or work on the project without uncontrolled copies?
• How are components and libraries governed?
• How are revisions tracked?
• How are schematic and PCB changes synchronized?
• How does the team release a coherent manufacturing package?

Altium’s current Workspace model supports shared design data and review workflows, while Cadence’s current OrCAD X materials include concurrent PCB collaboration, synchronized updates, design review, and cloud-connected workflows.

EAGLE for existing schematic and PCB projects

CadSoft EAGLE uses its own schematic and board-file workflows, so consider it when working with established EAGLE projects.

The ProSoftStore EAGLE product page lists an older CadSoft release for existing schematic and PCB workflows.

EAGLE may still be relevant when

• an existing project must remain in native .sch and .brd files;
• an established CadSoft-era project or workflow must remain compatible;
• old libraries or automation make immediate migration impractical;
• a fixed legacy machine or customer project requires that exact environment.

A different PCB platform may be more suitable when no existing EAGLE files or libraries are involved.

For new projects, compare Altium and OrCAD against the required PCB design, library and manufacturing workflow.

File migration and library compatibility are the main considerations when changing EAGLE environments.

Five questions that usually decide the PCB platform

1. Are you starting a new design environment or preserving an existing one?

This changes the decision immediately.

For a greenfield workflow, evaluate current platforms against current requirements.

For an established engineering organization, migration of libraries, project data, review procedures, automation, and manufacturing output may be a larger project than replacing the application itself.

2. How complex are the boards you actually build?

Do not choose for hypothetical complexity.

List the real requirements:

• layer counts;
• rigid vs rigid-flex construction;
• high-speed interfaces;
• controlled impedance;
• dense placement;
• multiple boards;
• enclosure constraints.

Then verify current support for those requirements on the product level.

3. How tightly must schematic and PCB stay synchronized?

For both current ecosystems, schematic-to-board synchronization is foundational.

The practical question is how that workflow fits your team’s change process, component management, constraints, reviews, and release procedures.

Altium currently uses direct schematic/PCB comparison and engineering-change workflows to synchronize the two design domains.

Cadence’s current OrCAD X workflow similarly carries designs from Capture into PCB Layout/Presto with synchronization and constraint management.

4. Does PCB design need to stay connected to mechanical design?

If the board must fit a tightly constrained enclosure or electromechanical product, make this a first-class requirement rather than a late export-format check.

Verify the exact MCAD system, supported exchange method, and current version compatibility before purchase.

5. Which analysis must happen before fabrication?

Decide whether your team requires:

• circuit simulation;
• signal-integrity checks;
• power-related analysis;
• design-rule enforcement;
• manufacturability checking;
• 3D mechanical clearance verification.

Then compare only the capabilities that are material to your products.

Quick disqualifiers

This Electronics & PCB hub is probably the wrong path if:

• you primarily need mechanical enclosure or product CAD rather than PCB/EDA;
• electromagnetic, thermal, structural, or multiphysics simulation is the main software job rather than PCB design;
• your primary task is firmware development with no PCB-authoring requirement;
• you already know the exact PCB product and only need a specific release, operating-system requirement or ordering details.

In those cases, return to Home or continue directly to the relevant transactional product page.