How Do I Know If My Monitor Is 4K?

Best 4K Monitors to Buy in March 2026

1

LG 27UP850K-W 27-inch Ultrafine 4K UHD (3840 x 2160) IPS Computer Monitor, 60Hz, 5ms, DisplayHDR 400, Built-in Speaker, HDMI, DisplayPort, USB Type-C 90W PD, Tilt/Height/Pivot Adjustable Stand, White

• STUNNING 4K VISUALS: EXPERIENCE VIBRANT IMAGERY WITH 95% DCI-P3 COLOR.

• VERSATILE CONNECTIVITY: MULTIPLE PORTS INCLUDING USB-C FOR EASY CONNECTIONS.

• ENHANCED GAMING: FEATURES LIKE DYNAMIC ACTION SYNC FOR PRO-LEVEL PLAY.

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$259.99 $379.99

Save 32%

2

LG 32UR550K-B 32-inch Ultrafine 4K UHD (3840 x 2160) Computer Monitor, HDR10, 60Hz, HDMI, DisplayPort, Tilt/Height/Pivot Adjustable Stand, Black

• EXPERIENCE UNPARALLELED DETAIL IN 4K UHD HDR FOR EDITING AND STREAMING.

• GAME WITH AN EDGE-DYNAMIC SYNC AND BLACK STABILIZER ENHANCE VISUALS.

• EFFORTLESSLY MULTITASK WITH THE CUSTOMIZABLE SWITCH APP FOR EASY LAYOUTS.

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$249.99 $349.99

Save 29%

3

Dell 27 Plus 4K Monitor - S2725QS - 27-inch 4K (3840 x 2160) 120Hz 16:9 Display, IPS Panel, AMD FreeSync Premium, sRGB 99%, Integrated Speakers, 1500:1 Contrast Ratio, Comfortview - Ash White

• ALL-DAY COMFORT WITH ≤35% BLUE LIGHT REDUCTION FOR EYE CARE.
• SMOOTH 120HZ REFRESH RATE AND 0.03MS RESPONSE FOR SEAMLESS PLAY.
• STUNNING 4K VISUALS AND VIBRANT 99% SRGB FOR IMMERSIVE EXPERIENCES.

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$278.26 $299.99

Save 7%

4

LG 27UP650K-W 27-inch Ultrafine 4K UHD (3840 x 2160) IPS Computer Monitor, 60Hz, 5ms, DisplayHDR 400, Reader Mode, Flicker Safe, HDMI, DisplayPort, Tilt/Height/Pivot Adjustable Stand, White

• EXPERIENCE STUNNING 4K VISUALS WITH VIBRANT COLORS FOR TOTAL IMMERSION.
• DYNAMIC ACTION SYNC: ACHIEVE PRO-LEVEL GAMEPLAY WITH ZERO DELAYS.
• MULTITASK EFFORTLESSLY WITH THE SWITCH APP FOR CUSTOM SCREEN LAYOUTS.

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$226.99 $279.99

Save 19%

5

LG 27US500-W Ultrafine Monitor 27-Inch 4K UHD (3840x2160) HDR10 IPS Borderless Design Reader Mode Flicker Safe Switch App HDMI DisplayPort - White

• STUNNING 4K UHD & 1000:1 CONTRAST FOR VIVID, DETAILED VISUALS.
• EXPERIENCE TRUE COLOR WITH 90% DCI-P3 HDR10 SUPPORT.
• CUSTOMIZABLE ONSCREEN CONTROLS AND ERGONOMIC STAND FOR COMFORT.

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$229.33 $249.99

Save 8%

6

Dell 32 Plus 4K Monitor - S3225QS - 31.5-inch 4K (3840 x 2160) up to 120Hz 16:9 Display, VA Panel, AMD FreeSync Premium, 99% sRGB, 95% DCI-P3, 1500:1 Contrast Ratio, Comfortview - Ash White

• ALL-DAY COMFORT: LOW BLUE LIGHT FOR EYE-FRIENDLY VIEWING!
• TEAR-FREE GAMING: 120HZ REFRESH RATE WITH ULTRA-FAST RESPONSE!
• STUNNING VISUALS: 4K CLARITY AND 99% SRGB FOR VIVID COLORS!

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$316.99 $369.99

Save 14%

7

Dell 27 Plus 4K USB-C Monitor - S2725QC - 27-inch 4K (3840 x 2160) 120Hz 16:9 Display, AMD FreeSync Premium, sRGB 99%, Integrated Speakers, 1500:1 Contrast Ratio, Comfortview - Ash White

• ALL-DAY COMFORT: LOW BLUE LIGHT TECH ENABLES STRAIN-FREE VIEWING, 35% LESS!
• SEAMLESS VISUALS: AMD FREESYNC PREMIUM DELIVERS 120HZ, ULTRA-LOW LATENCY.
• STUNNING SOUND: ENHANCED AUDIO FOR IMMERSIVE EXPERIENCES AND CLARITY.

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$299.99 $349.99

Save 14%

8

ASUS TUF Gaming 27” 4K HDR Monitor (VG27UQ1A) – 160Hz, 1ms, Extreme Low Motion Blur Sync, NVIDIA G-SYNC Compatible, AMD FreeSync Premium, 95% DCI-P3, DisplayWidget, 3 yr Warranty

• ULTRA-FAST 160HZ REFRESH RATE FOR SEAMLESS, IMMERSIVE GAMEPLAY.
• ELMB SYNC TECHNOLOGY ELIMINATES GHOSTING FOR SHARP VISUALS.
• FREE 3-MONTH ADOBE CREATIVE CLOUD ACCESS WITH YOUR PURCHASE!

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$299.00 $379.00

Save 21%

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ONE MORE?

To determine if your monitor is 4K or not, you can follow these steps:

1. Check the resolution: Right-click on your desktop and select "Display settings" (Windows) or "System Preferences" -> "Displays" (Mac). Look for the resolution settings and see if it shows a resolution of 3840 x 2160. This is the standard resolution for 4K monitors.
2. Look for the model number: Check the specifications or model number of your monitor. You can usually find this information on the back of the monitor or in the user manual. Look for any indication of '4K' or 'UHD' (Ultra High Definition) in the product name or description.
3. Compare the pixel density: A 4K monitor typically offers higher pixel density compared to lower-resolution displays. If you have a smaller-sized monitor, such as 27 inches or below, and the screen appears incredibly sharp and detailed, it is more likely to be a 4K monitor.
4. Inspect the ports: Examine the video ports available on your monitor. For a 4K display, it should have HDMI 2.0 or DisplayPort 1.2 (or higher) connectors. These ports are capable of transmitting the higher bandwidth required for 4K content.
5. Check the graphics settings: If you are using a computer, navigate to the graphics settings. On Windows, you can find this in the graphics control panel, and on Mac, go to "System Preferences" -> "Displays" -> "Display preferences." Ensure that the resolution is set to 3840 x 2160, which is the native resolution for 4K.

Remember that these methods are not foolproof, and if you are uncertain, it is always advisable to consult the manufacturer's specifications or contact their support for accurate information regarding your specific monitor model.

How do I check the refresh rate of my monitor?

To check the refresh rate of your monitor, you can follow these steps:

1. Right-click on your desktop and select "Display settings" or "Screen resolution."
2. In the display settings window, scroll down and click on "Advanced display settings."
3. In the advanced display settings, click on "Display adapter properties for [your monitor name]."
4. In the properties window, go to the "Monitor" tab.
5. Under the "Monitor Settings" section, you will find the refresh rate drop-down menu. It will display the current refresh rate of your monitor.

Note: The options available in the drop-down menu will depend on the capabilities of your monitor and graphics card.

What are the specifications of a 4K monitor?

The specifications of a 4K monitor typically include:

1. Resolution: The resolution of a 4K monitor is 3840 x 2160 pixels, which means it has four times the number of pixels as a Full HD (1080p) monitor.
2. Display Size: 4K monitors are available in various sizes, typically ranging from 24 inches to 32 inches, although larger options are also available.
3. Aspect Ratio: Most 4K monitors have a 16:9 aspect ratio, which is the standard widescreen ratio used in most monitors.
4. Display Technology: 4K monitors use various display technologies, including LCD/IPS, LED, OLED, or QLED. LCD/IPS panels are commonly used as they provide good color accuracy, wide viewing angles, and overall image quality.
5. Refresh Rate: The refresh rate refers to the number of times the monitor updates its display per second and is measured in Hertz (Hz). 4K monitors typically have a refresh rate of 60Hz, although some higher-end models offer higher refresh rates like 120Hz or 144Hz for smoother motion.
6. Response Time: Response time refers to how quickly pixels can change from one color to another. Lower response times reduce motion blur and ghosting effects. In 4K monitors, response times can range from 1ms to 5ms.
7. Color Gamut and Accuracy: 4K monitors may offer different color gamuts, such as sRGB, Adobe RGB, or DCI-P3. Higher-end models may have better color accuracy and wider color gamut support for professional tasks like photo and video editing.
8. Connectivity: Common connectivity options for 4K monitors include HDMI, DisplayPort, and USB-C. Some monitors may also have additional ports such as USB hubs, audio output, or Thunderbolt.
9. HDR Support: High Dynamic Range (HDR) is a feature that provides enhanced color and contrast, resulting in more realistic and vibrant images. Some 4K monitors are HDR-compatible, providing a better visual experience.
10. Stand and Adjustability: 4K monitors usually come with an adjustable stand that allows tilting, swiveling, and height adjustment for optimal viewing comfort.

These specifications may vary depending on the specific model or brand of the 4K monitor.

How do I find the native resolution of my monitor?

To find the native resolution of your monitor, you can follow these steps:

1. Right-click on your desktop and select "Display settings" or "Screen resolution."
2. In the Display settings window, scroll down and click on "Advanced display settings."
3. Under the Advanced display settings, you will find a section titled "Resolution."
4. The native resolution of your monitor should be displayed in that section. It is usually indicated with the word "Recommended" next to it.

Additionally, you can also refer to your monitor's user manual or visit the manufacturer's website for detailed information on the native resolution of your specific monitor model.

How do I check the response time of my monitor?

To check the response time of your monitor, you can follow these steps:

1. Open a web browser and search for "monitor response time test" or similar keywords.
2. Choose a reputable online tool or website that provides response time checking services. Some popular options include TestUFO, Blur Busters UFO Motion Tests, and more.
3. Follow the instructions provided on the chosen website to run the response time test. Usually, you will be prompted to click a button or start a test that involves displaying moving objects or colors on the screen.
4. Pay attention to the displayed results provided by the test. Some tests will show a numerical value for the response time in milliseconds, while others may indicate your monitor's performance as "good," "average," or "poor." Lower response time values indicate faster performance.
5. Repeat the test on different settings or presets of your monitor, if applicable. You may find that different settings impact the response time, such as gaming mode, movie mode, or standard mode.
6. Compare the results obtained with the specifications of your monitor. Most modern monitors have a response time of 1ms, 3ms, or 5ms. If the recorded response time is significantly slower than the specifications, there might be an issue with your monitor or its settings.

Remember that response time is just one factor among many when it comes to monitor performance. Input lag, screen refresh rate, and other features also play a role in determining the overall experience.

How do I check if my monitor supports HDR?

There are a few methods you can use to check if your monitor supports HDR (High Dynamic Range):

1. Manufacturer's specifications: Start by checking the specifications of your monitor provided by the manufacturer. Look for HDR-related features such as HDR10 or Dolby Vision support.
2. Display settings: On your computer, go to the display settings and look for HDR-related options. If your monitor supports HDR, you should see an option to enable it.
3. Windows settings: If you're using Windows 10, open the "Display" settings and scroll down to the "Windows HD Color" section. If the options are available, it means your monitor supports HDR.
4. macOS settings: On a Mac, go to the "System Preferences" and select "Displays." With an HDR-capable monitor connected, you should see an "HDR" checkbox.
5. HDR content: Find HDR content, such as HDR videos or games, and try playing them on your monitor. If the content appears vibrant with a wider color and contrast range, it is likely that your monitor supports HDR.

Remember that even if your monitor supports HDR, the quality and performance of HDR can vary based on the capabilities of the monitor and the HDR standard it supports (e.g., HDR10, Dolby Vision).

What is the pixel count of a 4K monitor?

A 4K monitor typically has a pixel count of 3840 x 2160 pixels.