WhatsApp may be a small part of your workday, but its Windows app can occupy a surprisingly large share of your PC’s memory. A new Windows Latest hands-on report describes the Windows 11 client exceeding 2GB of RAM while scrolling through conversations, alongside sluggish chat switching. For users who keep messaging open beside meetings, documents and browser tabs, that is a reason to evaluate alternatives—not proof that every installation has the same problem.
The practical takeaway is to test the official web version against your own workflow before removing the desktop app. Browser access may reduce the additional load, particularly when your browser is already running, but memory figures need careful interpretation.
What the Windows report actually measured
Windows Latest author Abhijith M B recorded 2,157.8MB for WhatsApp’s process group, with substantial usage attributed to WebView2 and its GPU process. The report also describes choppy scrolling and delayed interface feedback. According to the publication, Meta replaced the native Windows client with a WebView2-based version in November 2025, while continuing to offer a native Mac app.
These are observations from the author’s machine, not a controlled benchmark across Windows hardware. Conversation history, loaded media, session duration and background activity can all affect comparisons. The report itself captures different desktop memory totals at different moments, including a substantially lower reading during a separate comparison.
That distinction matters: “can exceed 2GB in this test” is useful evidence; “always needs 2GB” would be an unsupported conclusion. Nor does a high memory reading alone establish a memory leak. Responsiveness and overall system pressure are more useful decision points than one Task Manager screenshot.
WhatsApp Web: worth trying, not memory-free
In the report, a WhatsApp browser tab used roughly 700MB in Edge’s Browser Task Manager. The author found it smoother than the desktop client, although memory consumption still rose during use. Because Edge was already open, adding a tab also fit the author’s existing setup better than launching another application with browser infrastructure.
You can try the official WhatsApp Web service and link your account through WhatsApp on your phone. Keep the desktop installation available while checking the features you actually need.
Calling is an important qualification. Windows Latest reports that voice and video calling have reached WhatsApp Web, with associated features being rolled out gradually. Do not assume your account and browser already have the same capabilities shown in the article. Check for calling controls and complete a real test call, including microphone, speaker and camera selection, before depending on it.
Notifications deserve the same treatment. Confirm browser and Windows notification permissions, then check delivery when the chat is not in the foreground. A lighter experience is not an improvement if it causes missed messages.
An installed web app still uses browser resources
Edge can present WhatsApp Web in a separate app-style window. This is useful if you want a taskbar entry and less browser clutter, but it does not turn the website into a native Windows application.
The report illustrates a measurement trap: the visible WhatsApp Web entry showed only 2.5MB, while its actual workload appeared under Edge at 579.6MB. The desktop client was using 720.9MB in that particular comparison.
Measure the workload, not just the shortcut process. Windows Task Manager and Edge’s Browser Task Manager provide different views, and browser processes may be shared. Avoid treating one tiny launcher entry as the app’s complete memory footprint, or directly comparing figures collected under different conditions.
A practical comparison on your own PC
Use a short, repeatable trial rather than switching solely because of the headline:
- Establish a baseline. Note total memory pressure and whether the PC is already slowing down before opening WhatsApp.
- Test one client at a time. Use similar chats and media, and allow each client to finish its initial loading.
- Repeat ordinary tasks. Switch conversations, scroll, send attachments and make a call if calling matters to you.
- Check background behavior. Confirm notifications and whether the app remains active after its window is closed.
- Judge the experience. Compare responsiveness and system headroom, not just the lowest isolated number.
Keep the browser and official client updated during the comparison. If the web version covers your needs, removing the desktop app can simplify your setup. Windows Latest notes that Windows 11’s WhatsApp Resume integration opens the desktop client, so users relying on that workflow should check the trade-off first.
Phone streaming and unofficial clients require different decisions
The author also streamed the Android app using Lenovo Smart Connect and a Motorola phone, reporting 83.5MB of PC memory usage. That is not equivalent to running WhatsApp locally: much of the work remains on the phone. Device compatibility, connectivity and phone power use become part of the experience. Microsoft Phone Link offers app streaming on supported phones, but support should be checked for the specific model.
Unofficial clients are a separate risk category. The report discusses ZapFast, an independent native client, while highlighting missing features and a warning about possible account suspension. Low resource usage is not enough to justify trusting a third-party messaging client with sensitive conversations.
For managed Windows PCs, use only communication options approved by your organization. For personal systems, the most straightforward experiment is the official website in an existing browser. Keep the desktop app if it works better for your needs; replace it only after the alternative proves reliable in daily use.
Source: Windows Latest’s WhatsApp for Windows hands-on report by Abhijith M B.