How to Tell If Your TV Is 4K: 5 Simple Ways to Check

What you will need

• The TV turned on
• Access to the TV’s Settings menu, OR
• The model number (found on a sticker on the back of the TV or in Settings > About)

Step-by-step: how to check if your TV is 4K

Five methods, fastest first. Stop as soon as one gives you a clear answer.

Step 1: Check the TV’s Settings menu

Go to Settings > About (or on Samsung: Settings > Support > TV Information). Look for a Resolution or Display field. If it shows 3,840 x 2,160, UHD, or 4K, your TV is 4K. If it shows 1,920 x 1,080 or Full HD, it is 1080p. This method works on all major smart TV platforms and gives a definitive answer in under 30 seconds.

Step 2: Look for the badge on the TV bezel

Most 4K TVs have a physical badge or printed label on the front bezel. Look for 4K Ultra HD, UHD, 4K UHD, or Ultra HD. Non-4K TVs typically show Full HD or 1080p. My experience is that budget 4K TVs sometimes skip the badge, so the Settings menu is more reliable if the front label is absent.

Step 3: Find and search the model number

The model number is on a sticker on the back of the TV or in Settings > About. Search the model number followed by specifications on Google. The manufacturer’s product page lists the native resolution. This method takes about two minutes and works even if the TV is not connected to the internet.

Step 4: Google the model number directly

Search the TV brand and model number plus the word specifications. The first result is usually the manufacturer’s spec sheet. Look for Native Resolution or Display Resolution in the specs. 3,840 x 2,160 confirms 4K.

Step 5: Play a 4K test video

YouTube has free 4K test videos. Search YouTube 4K test and play one. If the video plays in up to 2160p in the quality settings, your TV and player support 4K output. This confirms streaming 4K capability, though it does not directly confirm the panel’s native resolution if you are on a device that upscales.

Common sources of confusion

A few things trip people up when checking 4K status.

4K vs 4K Ultra HD vs UHD

These all mean the same thing on a consumer TV: 3,840 x 2,160 pixels. Marketing departments use them interchangeably. If your TV or its packaging uses any of these terms, it is the same resolution. See our UHD vs 4K explainer for the full breakdown.

My streaming service offers 4K but the picture does not look 4K

Streaming 4K requires both a 4K-capable TV and a streaming plan that includes 4K. Netflix’s standard plan does not include 4K. You also need a fast enough internet connection (typically 25 Mbps or more). If all three are in place and the picture still does not look sharp, your TV’s picture settings may need adjustment.

The TV box says 4K but the picture is 1080p

Some budget TVs upscale content to a 4K output signal from a 1080p native panel. The TV outputs 4K over HDMI but the display itself is 1080p. Always check the native panel resolution in Settings to confirm the actual display resolution, not just the output signal.

Frequently asked questions

Is my TV 4K if it has a 4K streaming input?

Not necessarily. A TV can receive a 4K signal over HDMI without having a native 4K display panel. Always check the native panel resolution in Settings under About or TV Information. 3,840 x 2,160 confirms a native 4K panel. 1,920 x 1,080 means the panel is 1080p regardless of signal input.

How do I find my TV model number?

The model number is on a sticker on the back of the TV, usually near the bottom center or lower left. It is also available in the TV’s Settings under About or Settings > Support > TV Information on Samsung models. The model number format varies by brand but typically includes letters and numbers.