Best 21.5 Inch Monitor – Buying Guide

A high-resolution computer monitor can give a place of comfortable work. You have to know the purpose of using a monitor to experience a better working environment. Generally, a 21.5 inches monitor is suitable for many kinds of work. The price of these monitors is also affordable with high-quality displays.

Most people like to use widescreen with LED monitors for graphic design and video editing. Besides, 21.5 inches monitors include an HDMI port to connect 2 monitors with a graphics card. The monitors have IPS technology to provide uninterrupted displays while watching high-definition movies.

In this article, you will know the resolution, durability, and other features of a 21.5-inch monitor. This guide will assist you in purchasing a suitable monitor as per your requirements. Let’s find the best 21.5 inch monitor for your computer with HD quality displays below.

Our Favorite Best 21.5 Inch Monitor

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Top 7 Best 21.5 Inch Monitor- Buying Guide

1. Acer SB220Q bi 21.5 Inches Full HD Ultra-Thin Monitor

The Acer SB220Q bi is the best 21.5 inch monitor with high-definition output and ultra-thin finish. You will love to have this monitor for gaming and every type of entertainment. The zero framing look of the monitor delivers comfortability to the users who want to have 2 monitors.

Besides, the 1920×1080 resolution provides high-quality pictures with integrated IPS. Also, the monitor includes HDMI and VGA ports to sync the graphics cards. Thus the product is affordable in delivering multiple features within a budget.



Due to the 75 hertz refreshing rate, the Acer SB220Q monitor delivers incredible visuals. The display ratio of this monitor is 16:9 with 1920×1080 HD resolution. You can view the screen from 5 degrees to 15 degrees in a tilt position. The super widescreen contains suitability for gaming and entertainment.


No other monitor has a luxurious Acer SB220Q with zero framing and ultra-thin edges. With a circular base, the monitor’s stand provides a simple balance to keep the monitor. Besides, the tilt position of this piece of the monitor helps to show from the 5 to 15 degrees angle.


Including the VGA port, you can connect this Acer monitor with HDMI cables. The synchronization of this monitor includes Radeon-free technology.


  • Ultra-thin design
  • Borderless edges
  • HDMI and VGA port
  • Integrated IPS
  • Adjustable color settings
  • 1920×1080 HD resolution
  • Budget-friendly price
  • 75 Hertz refreshing rate
  • Radeon free synchronization
  • Five pounds weight
  • Three years warranty


  • No USB port is available

2. Dell P Series 21.5″ Screen LED-Lit Monitor

This P series monitor 21.5 full HD from the Dell brand has an incredible display with HD output. This is one of the best monitors that reduce the space in your workstation. Besides, you can split the monitor screen to open multiple windows during work.

That is why the monitor is so helpful and increases your productivity. Also, the monitor is user-friendly with zero borders and makes the work easy with multiple monitors. You can adjust the height and the pivot of the monitor due to the customizable stand.



You would like to install the display manager to get multiple screens in one monitor from this Dell P series. Also, the monitor reduces blue light emission to make your eye comfortable. Besides, you will see vibrant colors from a long distance with flicker-free widescreen.


This monitor looks outstanding for its ultra-slim construction with borderless edges. Additionally, the monitor takes less space on the table and provides an easy setup with various mounting and stand. The monitor is the best fit to use for business and personal purposes.


It has HDMI, VGA, and a USB port to connect with the desktop and laptop. Furthermore, the inclusion of IPS in this Dell monitor increases the long usability during work. Also, this monitor includes USB 3.0 super-speed connectivity with a security lock system.


  • Usable for business and personal purposes
  • Multiple screen split
  • Flicker-free display
  • Reduce blue light emission
  • 60-hertz refreshing rate
  • 102 pixels per inches
  • TUV certified
  • Easy configure system
  • Adjustable stand height
  • Lightweight
  • Pivot adjustable
  • In-plane switching technology
  • Vibrant colors


  • HDMI connector may lose after long use

3. ASUS VT229H 21.5″ Monitor

The ASUS VT229H 21.5″ Monitor is special for those who stay a long time in front of a screen. It includes 1080p in-plane switching technology for extra eye care of the users. Besides, the monitor’s 10-point touch eye care technology provides comfortable light for the eyes. The monitor includes HDMI and VGA connectors with black color slim construction.



There is nothing better than a 21.5 IPS monitor for office and personal uses. This ASUS brand has an unconvincing display with IPS technology and 10-point touch eye care. This monitor’s color is also stunning, with a 178 degrees angle display.


With the HDMI and VGA connectors, you can connect the monitor with your laptop and desktop. The best feature of this monitor is that it is pretty user-friendly for gaming, business, and personal uses. Also, this monitor includes an internal speaker to get a decent audio output.


This ASUS VT229H 21.5″ Monitor is exclusive in design with a touch screen feature. Furthermore, this is one of the slimmest monitors among all ASUS productions. The zero borders of the screen are also suitable for wide display and multiple monitor connections.


  • Touch screen display
  • Ultra-slim design
  • 10-point touch eye care
  • Frameless display
  • Internal speaker for audio output
  • VGA and HDMI connectivity
  • Windows OS supported
  • Blue light filter for eyes
  • Flicker-free output
  • 178 degrees wide-angle view
  • IPS panel for quality color
  • 1920×1080 Full HD resolution


  • No inclusion of USB connectors
  • Touch screen sensor may damage after long use

4. AUZAI 21.5 inches Computer Monitor

The AUZAI 21.5 inches is a full HD monitor with a compatible feature for business uses. This high-definition monitor delivers 1920×1080 resolution output to optimize the image quality. The response time of this device is only 5 ms with a 75-hertz refreshing rate. Also, the VESA wall mounting stand provides 5 to 15 degrees angle tilt adjustment.



The monitor provides 1920×1080 optimization for detailed image appearance with a full HD resolution. The high definition quality of the device is a great choice to enjoy 4K movies with a 16:9 aspect ratio.


This monitor is the high-speed performer with a 5 ms response time and 75-hertz refreshing rate. You can adjust the display settings with easy settings according to your content. Besides, the visualization of the monitor reduces the motion blurriness during video display.


HDMI and VGA, both ports are available in this monitor to connect multiple devices. You can connect your desktop, iPad, laptop, or smartphone with this monitor. The VESA wall mounting stand allows a 5 to 15 degrees tilt position.


  • Best choice for business purpose
  • Long durable
  • Affordable price
  • High definition display
  • Widescreen with 16:9 aspect ratio
  • HDMI and VGA port connection
  • Multiple screen setup
  • VESA mounting stand
  • Tilt 5 to 15 degrees
  • Eye care multi glare settings
  • 75-hertz refreshing rate
  • Multi-device connectivity
  • 5 ms response time
  • 1920×1080 resolution


  • No USB port connectivity

5. Lenovo Tiny-in-ONE GEN3 Monitor

Lenovo is one of the reliable brands in the desktop monitor industry. But this Tiny-in-One monitor is an exclusive product that includes a camera with a microphone. Including the all-in-one features, this monitor is suitable for your workspace to enhance productivity.



This Lenovo monitor is perfect for connecting every type of computer with plug-and-play features. The USB port connectivity helps connect different types of devices such as iPad, mobile phones, and laptops.


The Tiny-in-One Gen3 monitor is exceptional for the inclusion of multiple devices. You do not need any external monitor, speaker, or microphone for your workstation. This monitor provides an all-in-one feature to enhance business productivity and hassle-free connections.


With the tilt-adjustable stand, you can customize the height of the monitor. Besides, The pivot point of the monitor helps to rotate to provide suitable visuals. Also, the refreshing speed of this monitor is about 60 hertz only with 7.5 kilograms of weight.


  • User-friendly interface
  • HD resolution
  • All in one feature
  • Plug and play setup
  • Affordable price
  • Durable performance
  • Light in weight
  • 60-hertz refreshing rate
  • Height adjustable stand
  • USB port connectivity
  • Borderless screen
  • Touch screen display
  • Eye comfortable technology
  • Can connect any type of PC


  • No HDMI and VGA connectors
  • Not very slim

6. Hannspree Hanns.G HT225HPB 21.5 inches Monitor

When searching for a simple, durable, and affordable 21.5 inch monitor, buy Hannspree Hanns G HT225HPB. This is the perfect monitor for video and photo editing with an incredible resolution. Additionally, 10-points touch screen technology provides easy usability for kids and business professionals.



This is the most durable monitor that provides 7H scratch-resistant glass protection. Also, the monitor is the perfect solution for daily use with a flat stand. The adjustable angle offers around 15 degrees of a comfortable position of the monitor.


The highly-compatible HDMI and VGA connectors deliver the best resolution with a 16:9 aspect ratio widescreen. Also, the internal stereo speaker provides high-quality audio output to enjoy movies, games, and other content.


When you connect the monitor with your desktop computer, you will enjoy the 1920×1080 resolution with true colors. Besides, the monitor delivers a 60-hertz refreshing rate only with a 7 MS response time. The brightness level of this monitor is about 250 cd/m2, and the contrast level is about 80000000:1.


  • Long-lasting quality
  • High definition resolution
  • Multi touch screen
  • HDMI, DisplayPort, and VGA connectivity
  • 15 to 70 degrees tilt angle range
  • 16:9 aspect ratio
  • 1920×1080 resolution
  • 60-hertz refreshing rate
  • Internal audio speaker
  • 7 MS response time
  • Flat adjustable stand
  • Windows operating system supported


  • Need 3rd party software to connect in macOS

7. Acer Nitro QG1 21.5″ Monitor

Acer Nitro QG1 is the best choice for gamers due to its quick response, high resolution, and affordable price. This piece of the monitor is stylish with frameless and slim construction. The brightness and contrast are also great to enjoy gaming with this monitor.



This Acer monitor has the IPS technology to balance the color quality with a widescreen display. The monitor’s aspect ratio is about 16:9 that produces 1920×1080 resolutions output.


With the 75 hertz refreshing rate, this monitor takes only 1 ms response time. The 72 percent NTSC wide color generates a smooth transition during games. Besides, the viewing position of the monitor is about 178 degrees to provide clear visuals from any position.


The Acer Nitro QG1 is incredible in design with a bezel-less monitor. The tripod configuration stand reduces the space of the workstation. You can tilt this monitor 5 to 25 degrees to view from different places.


  • High definition picture quality
  • 1 ms response time
  • 75-hertz refreshing rate
  • VGA and HDMI connectors
  • Flicker-less output
  • AMD Radeon free synchronization
  • Tripod configuration stand
  • Zero framing with ultra-slim design
  • 6.5 lbs weight
  • Best for gamers
  • Wide NTSC color
  • Easily adjustable display settings


  • No USB port connector

Buying Guide: Best 21.5 Inches Monitor

best 21.5 inch monitor

According to the users, there are different configuration monitors as business professionals, gamers, and personal users. You have to know your purposes before buying a LED desktop monitor. Including these purposes, you should know the resolution, technology, and monitor installation. Let’s look at the points you need to know before purchasing the best 21.5 inch monitor.


First of all, you have to decide the size of the monitor you want to buy. Besides the size, you need to know the resolution and output quality of the monitor. Such as, 1920×1080 resolution with 16:9 aspect ratio monitors is the best choice.


Blue light exposure is pretty harmful to the eyes, especially for those who stay in front of a monitor for a long time. So, you need to select a monitor that makes your eyes comfortable for long work. Besides, the inclusion of in-plane switching and plane-line switching technology delivers a comfortable task.


Before buying a high-resolution monitor, you need to know the presence of the connectors. HDMI, VGA, USB are the common connectors to connect any computer or device. Additionally, you can purchase an adapter to use multiple monitors for your workstation.


A multifunctional stand of a monitor delivers the tilt, angle, high customization facilities. Moreover, border-free and ultra-slim monitors enhance business productivity. Also, the internal speaker, microphone, and camera of a monitor include hassle-free installation for a workspace.


The adjustable color settings and customized brightness options of a monitor deliver appropriate output. Additionally, a quality desktop monitor’s refreshing rate, response time, and pixel response matter. You should check all of the above features before buying a desktop monitor.

How Big is a 21.5 Inch Monitor?

best 21.5 inch monitor

A computer monitor has a different shape of construction to provide user-friendly workspaces. Among the different size monitors, a 21.5 inches monitor is suitable for business, gaming, and personal uses. You can edit photos, videos and enjoy high-resolution movies on a 21.5 inches wide monitor. But you have to know the core features of 21.5 inches computer monitors to maximize usability.

Resolution and Ratio

Generally, the resolution of a 21.5-inch monitor is about 1920×1080. Besides, the aspect ratio of the monitors is about 16:9. This monitor can support 2K to 4K definition videos and contents. So, you can use them for your office work and watching movies.

Inclusion of Different Technologies

Your eyes are an expensive asset to work, visualize, and enjoy your life. 21.5 monitors include technologies to protect your eyes from blue light exposures. Furthermore, including in-plane switching technology and plane line switching technology in the monitor protects your eyes.

External Devices

Many of the 21.5 inches monitors include some external devices to reduce your workplace. The inclusion of a webcam, speaker, microphone in the monitor reduces the hassle of multiple wires. Also, the all-in-one monitor enhances business productivity with plug-and-play installation.

Port and Connectors

Using multiple monitors increases the usage in your workspace. To reduce the workspaces, many of the users like 21.5 inches monitors. That delivers split-screen facilities to open multiple windows on a single screen. Additionally, the USB, HDMI, and VGA connectors of a monitor can connect different computers and devices.

Weight and Size

Most of the 21.5 inches monitors are light in weight. The construction materials of the monitors are durable too. Moreover, the average weight of a 21.5 inches LED monitor is around 3 to 6 kilograms. The height and width of the 21.5 inches monitors are around 12×20 inches.

What is The Best Resolution for a 21.5 Inch Monitor?

best 21.5 inch monitor

The best resolution of a 21.5 inches monitor is about 1920×1080 pixels. And the best aspect ratio is about 16:9 to view high-definition photos and images. Including the resolution, you have to know a few things about a 21.5 inches monitor to get the best result.

Refreshing Rate

The high refresh rate of a monitor provides high-quality pictures. Generally, 60 to 300-hertz refreshing rate is suitable for a 21.5 inches monitor. The refreshing rate means the count of images per second to display. So, a higher refresh rate of a monitor produces higher display quality.

Response Time

The response time of a monitor indicates the speed of the color change. That means a time monitor takes to transform into black to white and white to black. The response time may vary from 1 to 7 millimeters per second. Fewer response times of a monitor can deliver high-resolution content.

Pixel Density

The pixel density indicates the count of pixels per inch in the display. 100 to 200-pixel counts per inch may produce HD quality output from a 21.5 inches monitor.

FAQs: Best 21.5 Inch Monitor

Is a 21 Inch Monitor Good for Gaming?

A 21 inches monitor produces 1920×1080 resolution with a 16:9 aspect ratio. Besides, the monitor’s response time and refreshing rate are better at an affordable price. So, you can say this is the best 21.5 inch monitor for gaming.

What Is The Best Resolution for a 21.5 Inch Monitor?

Though the resolution of a monitor depends on the size of the display, the 21.5 inches monitor provides high resolution. The 1920×1080 pixels are the best resolution for the 21.5 inches monitors with a 16:9 aspect ratio rate.

What Size Monitors Do Pros Use?

Choosing the size of a monitor depends on the users and their professions. For gaming, a 21.5 inches monitor is enough with a high-definition display. For business purposes, a 21.5 inches monitor is also suitable according to the price and display quality. Many graphic designers and video editors like to have a 24 inches monitor too.

What Size Monitor is Best for Cod?

Professional gamers like the larger size monitor to play COD. The gamers prefer 21 to 37 inches monitors for HD gaming with high resolutions. But, a 21.5 inch gaming monitor is the best choice when you want to have a budget-friendly and high-quality display.

What is a Good Cheap Second Monitor?

21.5 inches Asus, Lenovo, Dell, and Acer brand monitors are great performers in less price. The resolution of these monitors is about 1920×1080 pixels with a 16:9 aspect ratio. These monitors refreshing rate and response time are also good enough for professional work.


Choosing the best computer monitor is essential to enhance business productivity. Besides, an eye caring monitor helps to save your eyes from blue light exposures. To get a budget-friendly monitor with a high-resolution display, you can buy 21 inches monitors.

We have shared the best 21.5 inch monitor and its feature on the above contents on the above content. We hope that our guidelines will help you to purchase the appropriate monitor as per your requirements.

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