Compare 4K webcams (4K Pro vs MX Brio)

The short answer

Which webcam is better depends on two things: what "4K Pro" refers to in the listing you're looking at, and which features you actually use. The MX Brio is Logitech's newer 4K webcam. A newer model is not automatically the better buy for your setup, though. Before you choose, check each model's current spec sheet for the features you rely on, such as face sign-in, frame rates, cable type, mounting and software support. This article had no verified spec sheets or side-by-side test results to draw on. It gives you a way to compare the two, not a verdict on image quality.

First, confirm which "4K Pro" you mean

Logitech has sold its earlier Brio 4K webcam under several names, including Brio Ultra HD Pro, and some retail listings call it a "4K Pro" webcam. Other brands also use "4K Pro" in their product names. Go by the model number on the box, the listing or the camera's label, not by the marketing name. If the model turns out to be the earlier Brio 4K, you are comparing an older generation with its successor. If it comes from another brand, you are comparing different hardware, firmware and companion software, and few features will carry over between them.

"4K" also needs some context. It describes the highest resolution the camera can output. It does not tell you what other people see on a call. Many calling services send video at lower resolutions depending on your plan, bandwidth and settings. If call quality is your main goal, check what resolution your service supports before paying extra for 4K capture.

Compare both cameras on the same criteria

Criterion | Why it matters | What to verify for each model

Resolution and frame rate | Smooth motion matters for streaming and recording | Which resolution and frame-rate combinations are supported, and whether your apps expose them

Low-light and backlight handling | Most home and office lighting is far from ideal | Comparable test footage taken under the same lighting

Field of view | Decides how much of you and your room appears in frame | Available field-of-view settings and whether they need the companion app

Focus and auto-framing | Affects sharpness when you move or hold items up | Autofocus behavior and any framing features, plus which apps support them

Built-in microphones | Matters only if you won't use a headset or separate mic | Recorded samples in a similar room, ideally captured in the same test

Face sign-in (Windows Hello) | Needs dedicated infrared hardware | Whether the spec sheet explicitly lists Windows Hello support

Privacy cover | Physical protection when the camera isn't in use | Whether the cover is built in or detachable

Connection and cable | Older computers may lack the right port | Connector type, whether a cable is included, cable length and adapter needs

Mounting | Monitors, laptops and tripods all need different mounts | Clip design and whether a tripod thread is present

Software and OS support | Some features only work through the companion app | Supported operating systems and versions, and which features need the app

Price, warranty and returns | Lets you test in your own setup with less risk | Current price, warranty length and return window from the seller

Be careful with performance claims. A review that tests both specific models in the same room, with the same lighting and the same app, tells you something useful. Claims about "4K webcams" in general, or tests run under different conditions, do not support a conclusion about these two models.

Which one fits your use

• Mostly video calls: Resolution is rarely the deciding factor, because calls are usually sent below 4K. Put more weight on low-light behavior, exposure handling and, if you won't wear a headset, microphone quality. Judge these from comparable tests.
• Streaming or recording: Confirm that the frame rate and resolution you want are listed for each model and that your recording software can select them. Also check whether you can manually control exposure, focus and white balance.
• Signing in to Windows with your face: Only choose a model whose spec sheet explicitly lists Windows Hello support. Do not assume a newer model keeps every feature of the older one.
• Using a Mac or a less common OS: Check official compatibility for your OS version, both for the camera and for any companion app you'd need.
• Showing documents or objects on your desk: Some webcams have modes or mounts designed for this. Check whether either model supports it and in which apps it works.
• Working to a budget: If the older model is cheaper and meets every item on your checklist, the newer model's extras may not be worth paying for. Weigh that against the warranty and whether the older model will keep getting software updates.

How to test the webcam you get

• 1. Plug the camera directly into a port on the computer, then open your operating system's camera app to check the basic picture.
• 2. Look in the camera or app settings to see which resolution and frame rate are actually in use.
• 3. Test in the calling or recording app you really use, and select the new camera and microphone there by name.
• 4. Make a short test call with another person, or use your service's test feature, and ask how your video and audio come across on their end.
• 5. Test the microphone on its own. Microphone input is what others hear from you. Playback is what you hear through your speakers or headphones. Fixing one does not fix the other.
• 6. Repeat the test in your dimmest usual lighting and with a window behind you, so you can see how the camera handles your real conditions.
• 7. Finish testing within the return window, in case the camera doesn't suit your setup.

A local preview only shows that the camera works and how the image looks on your own screen. It does not show what your service transmits, how compression and bandwidth affect the picture, or how your microphone sounds to others. Only a real call or recording within the service tests those.

Compatibility, permissions and privacy

Compatibility: Check each model's official compatibility for your operating system and version. If the camera goes through a USB hub, dock or adapter, test it with a direct connection too. A shared connection can cause dropouts or limit the available modes. Basic video usually works through the operating system's standard drivers. Extra controls and features may require the manufacturer's app, so check which features you'd lose without it.

Permissions: Apps can only use the camera and microphone if the operating system and browser allow it. On recent versions of Windows, look under Settings, then Privacy & security, then Camera or Microphone. On recent versions of macOS, look under System Settings, then Privacy & Security, then Camera or Microphone. In browsers, check the site permissions for the calling service. Grant access only to the apps and sites that need it, and remove access you no longer use.

Companion software: A manufacturer's app may ask you to sign in, offer firmware updates or collect usage data. Read its privacy terms before installing, and decide whether the features it unlocks are worth it. A permission prompt or a working preview tells you nothing about how an app or calling service processes, transmits, stores or keeps your video and audio. That information is only in the documentation for that app or service.

Backgrounds: A wider field of view shows more of your room, and blur or virtual background effects can slip around the edges when you move. Before important calls, recordings or photos, check the preview for anything you don't want to share, such as documents, screens, family photos or details that reveal your location. A tidy physical backdrop is more reliable than a software effect. Whether background processing happens on the camera, on your computer or on the service's servers depends on the product and service. Check their documentation rather than assuming.

Physical privacy: Use the privacy cover when you're not on a call. Check that the camera's indicator light turns on whenever an app is using it.

Gaps to close before you buy

• Current official spec sheets for both exact model numbers, especially for Windows Hello support, frame rates, connectors and field-of-view options.
• Side-by-side test footage and audio samples of both specific models captured under the same conditions.
• Official operating system compatibility for the camera and any companion app you'd need.
• The privacy terms of the companion app and of your calling service.
• The seller's current price, warranty and return policy.