Best Second Monitor for iMac (Reviewed in 2022)

Having one screen is and can be limiting and frustrating, especially having to switch from one screen to another or scroll through because the data on your screen is small to view because you need to split your screen in order to work. For people whose work revolves around multitasking and having to switch between many screens, a second monitor is the most ideal.

Adding a Best second monitor for iMac is super easy, and quite a long list of monitors is compatible with iMac. You must look for and see specific criteria before choosing your second monitor. The first and the most essential is the connection and your second monitor’s connector options. Other features that you need are subjective and depend upon you.

You need not worry as we have put together some of the best second monitors for iMac, which will help enhance the work you need the monitor for, so let’s get started.  

Best Second Monitor for iMac Comparison Table 2022

1) LG 27UK850-W 27" 4K UHD IPS Monitor

LG 27UK850-W 27" 4K UHD IPS Monitor

The LG 27UK850-W is a 27-inch monitor with a 16:9 aspect ratio that has an In-Plane switching panel type. This monitor is pretty affordable for a second monitor and doesn’t feel like it’s burning a hole in your pocket. This monitor offers you pretty decent specs at an affordable price which works really well as a second monitor.

This monitor offers you an amazing resolution of 3840 x 2160 and an aspect ratio of 16:9. The monitor is HDR compatible and gives you support of HDR10 and DisplayHDR 400 standards. The resolution added to the HDR gives you a viewing experience with clarity, and you even get crystal clear details and accurate color.

This monitor offers you a 1000:1 contrast ratio and 10-bit support for a whopping 1.07 billion colors in color specs. You even get support for 99% of the sRGB color gamut. The monitor comes with a standard brightness rating of 350cd/m2. The monitor offers you 178-degree horizontal and also vertical viewing angles that allow you to view the monitor screen from almost any angle. It comes with an anti-glare panel with a 3H hardness rating, making the viewing even more comfortable.

You have performance specs, including a 5ms response time and a refresh rate of 60Hz. Most of the specs become relevant depending on what you need the second monitor for iMac for. The most important part of choosing a second monitor is its connections and connectors, and this monitor has plenty in that department. It uses USB Type-C, which works with iMac and supports DP alt mode and 60W of power. It also supports 5Gb/s USB 3.1 Gen 1 standard. You also have the option of a DisplayPort 1.4 and two HDMI ports.

The monitor has a good range of motion in terms of ergonomics. A few cons to this are that it does not have the DCI-P3 color gamut, and the refresh rate is pretty limited.



2) Philips Brilliance 279P1 27" Frameless Monitor

The Philips Brilliance 279P1 is another affordable option to choose as a second monitor. It sports a 27-inch monitor with In-Plane Switching (IPS), which gives you an Ultra HD 4K resolution of 3840 x 2160. This gives you approx—163 pixels per inch (PPI), resulting in sharper images and authentic colors. The monitor sports a 16:9 widescreen aspect ratio. The IPS panel provides for a wide viewing angle of 178-degrees that can even be enjoyed by others around you without any change in color.

The monitor provides you with true and bright colors and has 8-bit color support of more than 1.07 billion colors. You even get 122% coverage of the sRGB and 103% coverage of the NTSC color gamut, and a 1000:1 contrast ratio. You get a standard brightness of 350 cd/m2, which works well and doesn’t feel too low.

The 279P1 has a 4ms response time and a 60Hz refresh rate in other specs. This 60Hz feels a little too low for gaming and other heavy-duty activities. There are overdrive modes available under SmartResponse, but also the monitor does not support FreeSync.

This monitor has great ergonomic functions and can do it all, including pivoting from landscape to portrait. You even get a VESA mounting bracket for wall mounting. The Display inputs include DisplayPort 1.4, two HDMI ports 2.0, and a USB Type-C port. You also get two downstream USB 3.0 ports which are present at the back, and two more that are present on the side of the monitor. Such rich connectivity options make it quite ideal if you are looking for a 4K second monitor for iMac.

The monitor’s screen has a 25% low-haze anti-glare coating that prevents reflections and makes your viewing more enjoyable and less distracting. This monitor is considered to be one of the cheapest monitors with 4K resolution in the current time.



3) LG 32UD60-B 4K UHD Monitor

The LG 32UD60 is a 32-inch monitor with Ultra HD 4K resolution of 3840 x 2160. Like many on the list, this monitor is pretty affordable and works great as a second monitor to iMac. This monitor does not have IPS panels like many on the list and has a VA panel. These panels are not bad, but they are not as good as IPS panels.

Along with the resolution, the monitor has a 16:9 aspect ratio that gives the monitor a widescreen look and the user an immersive experience. It has a native or typical brightness of 300 nits and minimum brightness of 220 nits. The horizontal and vertical viewing angles of 178-degree allow you to view the monitor from any angle.

The monitor has a contrast ratio of 3000:1, and that, alongside the 95% coverage of the DCI-P3, gives you bright and vivid colors like no other. The monitor has a 4 ms response time and 60 Hz refresh rate for gaming. Both the response time and refresh rate are decent for little gaming. To improve the gaming experience, you also have the support of AMD FreeSync.

For connectivity, the monitor is a bit lacking with only HDMI and DisplayPort options with a headphone output. Ergonomically, the monitor has only tilting and height adjustment options.



4) ViewSonic VX2776-4K-MHD 27 Inch Monitor

The ViewSonic VX2776 is a 27-inch monitor that has an aspect ratio of 16:9, which with the In-plane switching (IPS) panels provide you with a widescreen viewing experience. The horizontal and vertical viewing angles of 178-degree allow you to view the monitor from virtually any angle. The IPS panels give you vivid and bright colors, which enhance others’ and your viewing experience.

The monitor’s 4K 3840 x 2160 resolution gives you the guarantee of crisp and clear details. The monitor also has a 1300:1 contrast ratio and a brightness of 350 cd/m2. The contrast ratio and the brightness give you darker blacks and brighter whites, which give you vivid and accurate colors. In addition to all this, the monitor also supports HDR10. The monitor’s this ability to decode HDR10 video gives you content and pictures rich in color. The monitor also has the support of 1.07 billion colors.

For gaming specs, this monitor gives you a response time of 4ms and a 75 Hz refresh rate. These specs work well enough for decent gaming, but you would need to have further enhancements to get a better gaming experience.

The monitor provides you with connectivity with HDMI, DisplayPort, and VGA inputs, which are enough depending on what you need the monitor for. The monitor has a good and decent range of motion, which is quite limited, in all honesty.



5) AOC U2790VQ 27" 4K Monitor

The AOC U2790VQ is again a 27-inch monitor that sports a 4K Ultra HD resolution of 3840 x 2160 with an LED screen. This monitor has In-plane switching (IPS) panels that give you a wide and comprehensive viewing experience. These panels are the main reason why a monitor with IPS panels has bright and vibrant colors. The frameless and infinity look of this monitor makes the setup with the second monitor even easier and more efficient.

You have native brightness of 350 cd/m2. Along with the brightness, you have almost 99% and 90% coverage of the sRGB and NTSC color gamut. This, along with the IPS panel and brightness rating, ensure that your viewing experience is filled with color and makes sure that your work with the monitor results in accurate colors. The 10-bit panel support is an added benefit. It also has the support of one billion colors and a dynamic contrast ratio of 20,000,000:1.

In specs relating to gaming, this monitor has a 60 Hz refresh rate and a response time of 5 ms. These specs work well for regular gaming, but it isn’t quite ideal for fast-paced games. In addition to this, it also does not have the support of AMD FreeSync or even NVIDIA G-Sync support.

This monitor offers you connectivity options in plenty like DisplayPort 1.2, HDMI 2.0, and HDMI 1.4. The stand that comes with the monitor provides for tilting and height adjustments. You can even mount the monitor onto the wall with a VESA mount.



6) Acer R271 bid 27-inch IPS Full HD Monitor

The Acer R271 is a 27-inch monitor that has not over the top but decent specs that work well as a second monitor for iMac. Aside from the 27-inch size, the monitor has In-Plane switching (IPS) panel type. These panels are responsible for color production, and they do not disappoint in this area and give you vibrant and accurate colors. Its 16:9 aspect ratio gives you wide viewing angles that allow you to enjoy the viewing experience from any angle, without any disturbing change in color.

The monitor sports a 1920 x 1080 Full HD resolution. This resolution is combined with a 100,000,000:1 dynamic contrast ratio, which gives you blacks and whites that are darker and whiter in their own capacity. Aside from the two, you have a 250 cd/m2 brightness rating that does its job decently.

As for color, you support 16.7 million colors that create an immersive experience with vibrant colors. You get basic gaming specs like a 4ms response time and 60 Hz refresh rate. For ergonomics, again, this monitor can do the basic tilting. For connectivity, the monitor has VGA, DVI, and HDMI ports.

All in all, this monitor is a decent addition to a second monitor but will not offer you the amazing specs or specs required for a specific job. If you are looking for a second monitor just as daily use, then you can go for this one.



7) SAMSUNG J791 Series 34-Inch Ultrawide QHD Monitor

SAMSUNG J791 Series 34-Inch Ultrawide QHD Monitor

The Samsung CJ791 is a 34-inch widescreen monitor with 1500R curvature. The curvature gives you an extensive viewing experience that involves the user and others around them completely. The curvature of the monitor is also good for the eyecare of the user as it reduces fatigue that the user faces while using the monitor for long hours.

The monitor has an Ultra HD resolution of 3440 x 1440 and a fantastic one-of-a-kind contrast ratio of 3000:1. This contrast ratio gives you brighter whites and darker blacks. The monitor’s display allows for 178-degree horizontal and vertical viewing angles that make the experience more comprehensive. This monitor also allows easy multitasking with Picture-in-Picture (PIP) and screen split options.

For color, this monitor has a support of 16.7 million colors that give you crisp pictures with an eye for detail. The monitor has a 300 cd/m2 brightness rating. In other specs, the monitor has a 100 Hz refresh rate and a response time of 4 ms, which ensures that you can game or use the monitor without any tears and lags. Plus, the monitor supports FreeSync and even has game modes.

This monitor is certified Mac compatible. In addition to that, it has Thunderbolt 3 compatibility that allows it to transmit video and data of up to 40 Gbps and provide a connection option. Thunderbolt is one of Apple devices’ primary connectors, making this monitor super connective to iMac. Aside from the Thunderbolt, you have connectivity options like HDMI and DisplayPort, and USB inputs that make this monitor rich in connection.

The ergonomic functions are limited to tilting and height adjustments which are decent for a widescreen monitor. This monitor has some issues with black uniformity that causes clouding when viewing dark scenes.



8) LG 34WN80C-B UltraWide Monitor

LG 34WN80C-B UltraWide Monitor

If you are an artist or someone who is into photography or video editors or plain someone who needs color accuracy in their work, with no space restraints, then this monitor is the one for you. 

The LG 3WN80C-B is a 34-inch curved ultrawide monitor that has a fantastic Ultra HD resolution of 3440 x 1440. Along with the Ultrawide 21:9 aspect ratio, the monitor delivers you images like no other. You are left with details that are crystal clear and can be easily seen on such a large screen.

The large screen is beneficial for people who need to work on a lot of data, like video editors. Along with its large size, the monitor also is known for providing great color specs to your work. The monitor supports a 10-bit color depth with the support for 1.07 billion colors. The monitor has a contrast ratio of 1000:1 and supports HDR10, which further provides improvement to the color. You get a coverage of 99% of the sRGB color gamut and a decent brightness of 300 cd/m2.

This monitor has a 5 ms and 60Hz response time and refresh rate. In other specs, along with the curve, the monitor also has 178-degree viewing angles that allow you to view the large screen monitor from virtually any angle. The IPS panels prevent any shift in color. The curve of the monitor also reduces fatigue caused due to the constant shifting of the eyes. For multitasking, you also get ScreenSplit 2.0.

This monitor has loads of options for connectivity like two HDMI ports, one DisplayPort, two USB Down-stream, and even a USB Type-C port. The monitor also sports a headphone out jack. Like all Ultrawide large screen monitors, this monitor too falls in the same price range of expensive. Ergonomically, the monitor can only tilt, and its height can be adjusted, which is quite common among widescreen monitors.



9) Philips 278E1A 27" Frameless Monitor

Philips 278E1A 27" Frameless Monitor

The Philips 278E1A is a 27-inch monitor with an IPS panel that provides a wide viewing experience and is responsible for giving you accurate and bright colors. This monitor has an excellent Ultra HD 4K resolution of 3840 x 2160. You even have a 16:9 aspect ratio. The monitor looks really stylish and fantastic with its almost frameless design, which will be beneficial when you set the monitor up with your iMac.

If you’re someone who needs their second monitor for color or related works, then this monitor provides you with 109% coverage of the sRGB color gamut, and wait, that’s not all; it displays over one billion colors for smooth gradations and gives you an overall realistic look to your images. This model also provides you with Philips SmartContrast with Mega Infinity Dynamic Contrast ratio for deeper blacks and brighter whites.

You get a max brightness of 350 cd/m2, which in all honesty, is really bright and works excellently. But there are some cons to being too bright which is any visible inaccuracies are a bit quite visible. This monitor has a 4ms response time and a 60Hz refresh rate. The refresh rate is a bit low for fast gaming. Ergonomically, the monitor has height adjustment and tilting options. 

For connectivity, you have two HDMI 2.0 ports and a DisplayPort. The monitor has a headphone jack and an audio-in jack. Sadly, the monitor doesn’t have any USB ports. If required for connecting, you would need to get a USB hub.




iMacs are in a league of their own. They have different workings and processors, and even their whole setup is quite different, so finding a second monitor for iMacs is a task in itself as you would want something to match with the monitor that you are using. As mentioned before, connectivity is the major criteria to look for while picking a second monitor aside from the specs that you require from the monitor as per your need.

Once you understand what you need, then picking a best second monitor for iMac

 will become super easy. This article features a wide range of monitors that work as second monitors for iMac, and we hope that this article will help you pick the ideal monitor for your iMac.

Frequently Asked Questions (FAQs)

The Samsung CJ791 is an excellent second monitor for an iMac mainly because it has amazing specs overall but also provides a thunderbolt connection.

Yes, you can hook a second monitor to an iMac

Monitors that have a USB connection, a decent resolution, and even HDR10 would work the best with iMac.

The LG 27UK850 is a monitor that Apple recommends as a second monitor.

An iMac is a 27-inch monitor with a 5K retina display by Apple. The iMac hosts the computer, the drives, and the monitor

Yes, LG monitors work with iMac

Yes, quite a lot of monitors connect to a Mac. You need to have suitable connectors or adapters to connect the monitor to the iMac. Certain display configurations also need to be looked into

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