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CAD Software Compared: AutoCAD vs SolidWorks

We here at Scan2CAD know that no program is an island—even when it’s the ultimate vectorization software. The range of CAD software is incredibly broad, with specialized programs for practically every design purpose. Each program exists within an ecosystem, and an architect or designer may use several different programs in a standard workday.

Experienced designers will know the ins and outs of each program they work with. However, for a newcomer, it can be hard to get answers to the basic question of which software does what. That’s why, in recent months, we’ve worked to provide useful guides to some of the most popular CAD software on the market. We’ve taken a look at software from Autodesk and Dassault Systèmes, and introduced users to lesser-known programs, such as Vectorworks.

In this article, we’ll be focusing on two of CAD’s big beasts: AutoCAD and SolidWorks. As the respective flagship programs for CAD powerhouses Autodesk and Dassault Systèmes, they’re certainly worthy of our attention. We’ll delve into the differences between these popular applications, and find out which is best suited to which purpose.


What is AutoCAD?

History

Autocad logo

Fact file  
 Developed by Autodesk
 First released 1982
 Latest release AutoCAD 2018 (March 21, 2017)

Whilst you’d be hard-pressed to find a CAD professional who isn’t familiar with AutoCAD, not everyone is aware of its backstory. Its origins lay in the little-known, late-70s software Interact CAD. Originally developed by programmer Mike Riddle, Interact CAD was acquired by Autodesk in the early 1980s. Autodesk then worked to develop the program further, and eventually chose it as the company’s flagship software, renaming it AutoCAD.

The first release of AutoCAD came in 1982, and it was immediately revolutionary. AutoCAD was the first CAD software built to run on PCs, rather than minicomputers. The public reaction was incredibly positive: within just a few years, AutoCAD had grown to become the most widely used design software in the world.

New releases over the years have brought new tools and functionality to AutoCAD. AutoLISP came with the 1985 release, the ability to open multiple drawings came in AutoCAD 2000, and object transparency came in AutoCAD 2011.  The most recent version, AutoCAD 2018, came out in March this year, bringing support for 4K monitors and a new version of the DWG file format.

What it does

AutoCAD Architecture 2017 Screenshot

A screenshot of AutoCAD Architecture 2017. Image source: Softpedia

AutoCAD is a flexible CAD program that allows users to work in a variety of ways. Initially, the software specialized in the creation and editing of 2D geometry. However, over time, it has come to encompass a number of 3D modeling functions, including solids, surfaces, and meshes. It’s worth noting, though, that most people predominantly use AutoCAD for 2D drafts, rather than 3D modeling.

Other features of AutoCAD include the ability to annotate drawings, attach and import data from PDF files, and to extract object data to tables. 3D editing also brings with it the ability to view models in various viewports. Meanwhile, there is a variety of customization options, as readers of our guide to learning the AutoCAD basics in one hour will be familiar with.

Most users who work in AutoCAD will save their files in the native DWG file format. The format was initially exclusive to the software, but, given the necessity for designers to collaborate, many ways to view DWG files without AutoCAD now exist. AutoCAD also supports other vector file formats, notably including DXF.

Who uses it

screenshot of AutoCAD electrical

Screenshot of AutoCAD Electrical.

By the late 90s, AutoCAD had established itself as the most widely used CAD software in the world. It should come as little surprise, therefore, to learn that AutoCAD has found users across many industries. Many of our own users use Scan2CAD to convert from PDF to vector formats specifically for use in AutoCAD.

Autodesk has responded to the widespread popularity of AutoCAD by creating a range of industry-specific ‘flavors’ of the software. Each of these versions has an individual design and set of custom features. The distinctiveness of these ‘flavours’ is easy to spot—compare the above screenshots of AutoCAD Electrical and AutoCAD Architecture.

However, the differences are more than surface-deep. Here are just a few of the features bundled with each industry version of AutoCAD:

  • Architecture includes features such as doors, windows, and walls, as well as an extensive library of detail components.
  • Electrical controls system design, and enables users to automate electrical engineering tasks and access comprehensive symbol libraries.
  • Map 3D is for GIS analysis and planning, as well as converting GIS data into CAD data.
  • Mechanical is useful for those looking to create, modify and document mechanical designs.
  • MEP allows users to accurately create construction documentation of mechanical, electrical and plumbing systems design.

All in all, virtually every design and engineering sector on the planet has, to some degree, made use of AutoCAD. However, it isn’t the only show in town. First off, there are plenty of affordable AutoCAD alternatives offering similar functionality to Autodesk’s flagship software. However, some CAD programs distinguish themselves by offering something different. Enter SolidWorks.


What is SolidWorks?

History

SolidWorks logo

Fact file  
 Developed by Dassault Systèmes
 First released 1995
 Latest release SolidWorks 2018 (October 18, 2017)

SolidWorks today is well known as one of Dassault Systèmes’ flagship applications, but it actually started life outside the company. MIT graduate Jon Hirschtick founded the SolidWorks Corporation, the company which first developed the software, in 1993. After two years of work, the first version of SolidWorks was ready for release in November 1995. It was an instant hit, bringing solid modeling to a wider audience than ever before.

In 1997, Dassault Systèmes acquired SolidWorks for $310 million. It was great news for SolidWorks, who were able to take advantage of Dassault’s clout and existing CAD experience—the latter having already developed the powerful CATIA software. Meanwhile, Dassault Systèmes reaped the benefits of their new acquisition, which, over time, acquired a user base of over 3.2 million.

Already a powerful tool when first released, SolidWorks has undergone major development over the years. From 2001, the program was one of the pioneers in incorporating simulation within the design process. More changes came with the most recent edition, SolidWorks 2018, which arrived just two short months ago. The version brought the ability to sketch freehand on touch screen devices, and integrated CAM and topology study tools for the first time.

What it does

SolidWorks 2018 Topology Study

Topology Study in SolidWorks 2018. Image source: SolidWorks

The name is a giveaway: SolidWorks is a solid modeling application. It employs a parametric feature-based approach to model creation. In layman’s terms, this means designers create models using engineering terms, such as bosses, holes and slots, rather than using geometric terms.

Though best known for its 3D CAD functionality, SolidWorks also allows users to draw accurately in 2D. In fact, SolidWorks models typically start life as 2D sketches. From there, users can extrude their parts into three dimensions using a number of available tools.

SolidWorks, however, has long aimed to be more than simply a drafting application. As noted above, the software has included simulation tools for over a decade, allowing users to test their parts by simulating real-world conditions. These tools include computational fluid dynamics (CFD) tools, the ability to simulate fluid flow, heat transfer and fluid forces, and life cycle assessment (LCA) features.

Additionally, the software includes powerful rendering features which enable users to see photo-realistic visualizations of the parts they create. Other tools in SolidWorks’ extensive arsenal include PDM packages, and a range of electrical solutions that make it simple to create accurate schematics and circuit data.

Who uses it

Finite element analysis in SolidWorks

Finite Element Analysis in SolidWorks

With such a wide range of different features, it comes as little surprise to learn that SolidWorks has users across numerous industries. Firstly, this includes a number of businesses in commercial industries that rely on SolidWorks for their day-to-day operations. Key sectors here include the aerospace and automotive industries, including major clients such as Amtrak and BAE Systems.

As a major modeling program, engineers naturally also form a major part of the SolidWorks user base. SolidWorks’ integrated simulation tools make it easy to evaluate designs and materials before creating physical prototypes. One engineering client is Daka, which managed to achieve 50% development cost savings on its sea scooter.

SolidWorks users include both traditional industries, such as construction, oil and gas, and emerging sectors, including alternative energy and robotics. With so much on offer, a range of SolidWorks packages are available to meet various industry needs, including:

  • 3D CAD: the ‘classic’ solid modeling program that allows users to rapidly create parts, assemblies and drawings.
  • Simulation: a range of options for users looking to create better products faster and with less waste.
  • PDM: to enable teams to collaborate more effectively when developing new products; to provide all members with secure access to files and documents.
  • CAM: the solution for any business looking to integrate design and manufacturing processes.
  • Electrical Design: packages that make it easy to create electrical schematics and incorporate them within mechanical designs and 3D models—all while reducing the need for physical prototyping.
  • Visualization: create photo-realistic visuals of your projects, including both static and animated content.
  • 3DEXPERIENCE: work with your team in a collaborative environment to create new products.

AutoCAD vs SolidWorks

You’ve heard plenty about both programs so far—but when it comes to AutoCAD vs SolidWorks, which is best for you? In the table below, you’ll find plenty of useful information to help you make an informed decision.

AutoCAD SolidWorks
Ideal for 2D drafting Some 2D drafting functions included
3D modeling functionality included, but less advanced than its 2D tools Parametric feature-based modeling means 3D design is intuitive
Available for both Windows and Mac Windows-compatible only
Subscription only Perpetual and term licenses
Free AutoCAD licensing for students No free student licenses
Users primarily in the architecture, engineering and design sectors Users primarily in automotive, aerospace, engineering and design sectors
Great for architectural design and MEP Less useful in the building design sector
No simulation tools included Range of simulation packages
Easy to create detailed electrical plans Includes sheet metal design tools
Create parts with CNC machines Integrated CAM and design process
View designs on the cloud with AutoCAD 360 Collaborate on the 3DEXPERIENCE platform

As you can see, there are plenty of benefits to both AutoCAD and SolidWorks. Those in the AEC sector, as well as mechanical and electrical drafters should consider AutoCAD. This is also a great choice for anyone working exclusively or primarily in 2D. For most 3D CAD purposes, though, SolidWorks is likely to be the way to go. It’s also ideal for those working in the automotive and aerospace industries, and boasts a wider range of simulation and visualization tools.

Whichever option is best for you, you’ll be pleased to learn that both programs accept DXF files. This means that you can convert from raster or PDF to DXF using Scan2CAD, and get started in no time.

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7 Responses to CAD Software Compared: AutoCAD vs SolidWorks

  1. Zuhar Rahmat Jun 26, 2018 at 9:27 AM #

    Which is the best software base on cost and application as autodesk need to pay for yearly fee and what about solid work?.

    • luke
      Luke Kennedy Jun 26, 2018 at 3:46 PM #

      I believe AutoCAD works out as cheaper in comparison but there’s tons of options/add-ons and different pricing levels, especially with SolidWorks. So it’s hard to do a like-for-like comparison.

      I think we’ll write separate blog posts on AutoCAD and SolidWorks pricing.

  2. John Jul 23, 2018 at 7:14 AM #

    I guess SolidWorks is free for students. I mean I have it since High School and I never paid.

  3. Patryk Bortnik Sep 13, 2018 at 8:34 PM #

    i have it installed as a part of my degree so not sure if my uni paid for it or not. i had to enter the code from uni

  4. Jacob M. Nov 1, 2018 at 10:13 PM #

    Hi,

    Can you write about Creo vs. these options?

    • luke
      luke Nov 5, 2018 at 5:54 PM #

      I think a Creo vs. SolidWorks post would be worthwhile. The differences between Creo and AutoCAD are very obvious.

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