Wirecutter

This basic HP all-in-one combines a surprisingly good 24-inch 1080p screen with good enough performance for web browsing, videoconferencing, light gaming, and the other things most people use a computer for.

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The Best All-in-One Computer

The IdeaCentre AIO 3, another 24-inch 1080p all-in-one, runs on an AMD Ryzen processor that provides enough performance for light gaming and even photo and video editing. But its screen isn’t quite as colorful or accurate and suffers from uneven backlighting.

Consumer Reports

Overall score: 82Typical price: $1,660For toggling between email and productivity apps or immersing yourself in a video, this all-in-one offers a large 31.5-inch display, which CR testers praise for its high contrast and color accuracy.Specs are beefed up, too, with an Intel Core i7 processor, 16GB of memory, and a 1TB solid-state drive. In CR’s labs, the computer had a zippy performance for even demanding tasks such as video editing and rendering 3D models. There’s no dedicated graphics card for playing intense video games, however.In addition to five USB ports to connect all your peripherals, you’ll find a convenient way to charge your phone if it supports wireless charging: Just plop it onto the base of the desktop.

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This HP 24-inch desktop performs as well as some competition that costs twice as much. Armed with 12GB of RAM and a graphics card that can tackle demanding games, this $800 computer can handle nearly all applications you throw at it.  In fact, it's rated higher in Consumer Reports testing than the $1,650 HP Envy 34-a010 and all of Apple's iMac models.  However, its speakers are just middling in quality. Don't be fooled by the Bang & Olufsen branding—you're better off using external speakers or headphones if you're listening to music or watching movies on this computer.

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Overall score: 86Typical price: $1,890The top-rated all-in-one in our tests, the Yoga AIO 7 has a 27-inch touch screen, an AMD Ryzen 7 processor, 16GB of memory, a 512GB solid-state drive, and an 8GB dedicated graphics card, also from AMD. (To see how AMD’s Ryzen line stacks up to Intel’s offerings, read our processor breakdown.)This all-in-one excels in display quality, performance, and ergonomics. Testers say the screen has realistic and accurate color reproduction, and the computer has one of the fastest speeds among tested desktops, holding up even under demanding tasks such as video encoding and video game play.Unlike the other all-in-ones on this list, the model has no built-in memory card reader, but it does feature five free USB ports.

theverge.com

Overall score: 76Typical price: $530Most all-in-one desktops cost over $1,000, which is reasonable considering they come with a large monitor. This model, featuring an Intel Pentium Gold processor, performs as well as computers that cost twice as much for routine tasks such as web browsing, videoconferencing, and working on large spreadsheets. It lacks a dedicated graphics card, however, so don’t expect to run demanding video games.CR testers praise the 23.8-inch bright, anti-glare display. Other specs include 8 gigabytes of memory, a 256GB of solid-state drive, and three USB-A ports for connecting low-powered peripherals such as a keyboard or external webcam.

Overall score: 84Typical price: $2,300The top-rated iMac in CR’s ratings, this 27-inch model comes with an Intel Core i7 processor, 8 gigabytes of memory, and a 512GB solid-state drive. The display is bright and has a wide viewing angle, which is helpful when more than one person needs to see the screen.The iMac has a dedicated graphics card with 8GB of video memory, which helped the desktop run smoothly in our tests even when video game settings were maxed out.The model has six USB ports and supports the speedier Thunderbolt 3 protocol over regular USB.If the price is too rich for your budget, the 24-inch iMac with Apple’s home-brewed M1 chip usually runs around $1,300.

This $1,700 iMac will be the go-to all-in-one desktop for many creative professionals. 
With 8GB of memory, a 32GB solid state drive, and a 1TB hard drive, this is an excellent performer and is among the fastest models we've tested. The solid state drive stores the operating system and applications to help the computer start up and launch applications.
Though other computers have more powerful internals, many pros go to Apple for the software. The company builds apps, such as Final Cut Pro X, Motion 5, and Logic Pro X, that are available exclusively for Macs. 
"Having control over both the hardware and software allows Apple to be more efficient with performance," Asedillo says. "Plus, their displays can render accurate colors and have high resolutions, so designers can easily see details and precise colors when viewing their work onscreen. 
Unlike the other computers on this list, the 27-inch iMac lacks a touch screen, which could be inconvenient for some.

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powerreviews

At $500, this 21.5-inch all-in-one desktop from Lenovo is a steal. For everyday tasks, such as browsing and email, it will run very well—and it can tackle tougher jobs, such as photo editing.  Unlike the rest of the desktops on the list, this Consumer Reports Best Buy is powered by an entry-level Intel Pentium processor, which could struggle with super-demanding processes, such as gaming or 4K video editing.  The display is a mixed bag. The screen is anti-reflective, reproduces colors accurately, and has wide viewing angles. In short, it looks great. However, the touch input can be frustrating to use. The display is good for movies, but less so for Angry Birds Space. 


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All-in-One Computer Comparison