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Home / Browsers / The Best Windows Web Browsers for RAM Use, Battery Life, Security, Speed, and Cool Extras

The Best Windows Web Browsers for RAM Use, Battery Life, Security, Speed, and Cool Extras

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What is your default web browser? Even though we’re spoiled for choice, the majority of us stick to the tried and tested major players. Chrome, Firefox, Safari, Opera, and Microsoft Edge own the lion’s share of the web browser market. But just because a browser has the most users, it doesn’t necessarily or automatically make it the best.

Choosing a web browser is difficult. You have to take several points into consideration. How does it integrate with your technology ecosystem? What can the extensions and add-ons do for you? Is it fast? Is it safe? How much power does the browser use?

Read on for the answer to these questions and more.

Lowest RAM Usage: GreenBrowser

The winner is… not Chrome. Google Chrome is well known as a massive strain on system resources. Google attempts to mitigate the resource hungry browser, but there are other options available.

GreenBrowser is a solid browser that is vastly less power-hungry than its competitors. It uses significantly less RAM while remaining at least as fast.

GreenBrowser is your best choice of a flexible and powerful green web browser. GreenBrowser is the least memory occupying browser, it is the fastest browser and also the most configurable browser and has a powerful ad filter.

green browser example windows

In my opinion, GreenBrowser needs more recognition. It is well supported, comes with a raft of features (some that require extensions in the major browsers, such as closing the root tab to close all linked tabs), and still features a wide range of customization tools.

Best on Battery: Microsoft Edge

Battery use is an interesting category. The proliferation of mobile devices means everyone has a different idea of what constitutes “good.” A casual tablet user isn’t affected by a battery hungry browser in the same way as someone using their laptop for several hours at a time. That said, I’m sure everyone wants the most efficient use of their device.

Microsoft Edge is currently top of the battery use charts across laptops and other mobiles devices. The internet Explorer replacement, introduced with Windows 10, consistently beats Chrome, Opera, and Firefox in browser efficiency and battery rating tests. In this particular area, Microsoft is reaping the rewards of building Edge from the ground up, eliminating many of the vulnerabilities and inefficiencies found in Internet Explorer.

  • PROS

    Fast and lightweight. Simple interface. Reading Mode. Reading List. Page markup and sharing. Integrated Adobe Flash and PDF support. Lots of new standards support. Cortana digital assistant integration.
  • CONS

    Lacks extensions and other perks like bookmark syncing. Slightly behind in the Web standards game. No history search.

    Microsoft’s Edge is a fast, lightweight browser with good standards support and a few unique tools, but with no extension or syncing capabilities, it’s not yet fully mature.

Best of Security

We measure security across several categories, considering a browser secure if it protects our privacy. We also consider a browser secure when there are minimal vulnerabilities, or if it stays out of the data breach news. With that in mind, we’ve got two security focused browsers that offer slightly different packages.

Best for Privacy: Tor

Tor remains the most private browser. Tor is absolutely focused on protecting user privacy.

The browser uses only HTTPS connections, blocks plug-ins, and uses an interconnected system of relay servers to boost user anonymity.

tor browser windows

Tor has received some negative press due to some of the services that it can hide and provide access to. Furthermore, absolute privacy purists consider Tor tainted. The relay server system — known as nodes — has been compromised by the FBI in order to stop nefarious services that exist in the anonymous darknet.

I will make this clear: Tor is focused on privacy. Users gain some security through the emphasis on privacy, but Tor doesn’t have additional anti-malware technology like other popular browsers.

  • PROS

    Easily connects to the Tor anonymizing network. Simple interface for complex security tools. Easy to set up. Compatible, feature-rich browser. Integrated privacy tools.

  • CONS

    Slows down browsing. Finding localized websites can be difficult. NoScript plug-in and other privacy features may be confusing to novice users.


    The Tor Browser makes the tricky work of surfing the Web anonymously as easy as using any other browser, but with a significant performance hit.

Best for Security: Chrome

Chrome remains the most secure browser. Tor is focused on anonymity and privacy. Chrome isn’t. However, the simple fact is that Chrome represents one of the single most secure web browsers. At the last Pwn2Own hacking competition, Chrome was the only browser that remained secure. The year before, 2016, Chrome was only breached once.

Unfortunately, Chrome comes with its own irritations. As you would expect, the browser developed by the world’s largest search company is jolly interested in all the data you provide. There are numerous extensions available to curb those privacy issues — ironically, they could be the vulnerability that lets an attacker in.

  • PROS

    Leading support for emerging standards. Fast in testing. Good security. Syncing. Built-in Flash player and PDF reader.

  • CONS

    Highest battery drain in our testing. Weak on privacy. No reading mode or built-in social sharing.


    Google’s Chrome browser is speedy, includes leading standards support, strong security features, and a clean interface, but it’s no longer the fastest browser and it lacks some features found in the competition.

Honorable Mentions

Many excellent browsers focus on privacy and security. We’re trying to show you the best of everything, so it wouldn’t be fair to withhold information from your decision-making process.

Epic Privacy Browser is solely focused on keeping your identity and privacy secure while browsing. It automatically blocks all tracking attempts and adverts, as well as featuring an integrated proxy.

epic browser windows

Comodo provides two security and privacy focused browsers: IceDragon and Dragon. IceDragon is based on Firefox while Dragon builds on Google’s open-source Chromium. They both offer SecureDNS servers (a custom domain name filtering system), as well as continuing the experience of each respective browser ecosystem.

Fastest Browser: Slimjet

One of the most contentious browser measurements is speed. Browser speed is dependent on many things: extensions installed, system specs, internet speed, and much more. The difference comes from the way individual browsers process web pages. For instance, Chrome is a very powerful browser, but can sometimes load slowly.

However, Slimjet takes the speed crown ahead of the competition. Slimjet is a Chromium-based browser with integrated ad-blocking and anti-tracking tools. It is less resource-heavy than many major browsers, offering similar features without draining resources.


Form Filler: One of the nicest extra features of this browser is the Quick Fill Form Filler, which goes above and beyond Chrome’s password manager to include all kinds of data entered into various form fields. With this tool, you can complete all kinds of online forms with just a few clicks, and you’ll never have to worry about typing out the same information over and over again.

Chrome compatibility: This browser supports all extensions designed to work with Chrome, so you’ll always have access to all software you’ve used before. You can also log in to your Google account to sync all of your Chrome bookmarks and other info, which lets you get right back to surfing without missing a beat.


Uneven loading: We did encounter some issues with page loading times during testing. When it worked smoothly, Slimjet had loading times right in line with those of Chrome, but it did have some significant slowdowns as well.

Bottom Line

Slimjet is a well-designed and well-executed alternative browser. Anyone who likes Chrome will enjoy the browsing experience it provides as well as the additional features it integrates. It’s also completely free, so there’s no reason not to take it for a test drive to see what you thin

Best Ecosystem: Chrome

The extensive Google ecosystem includes massively popular web browser Chrome. It is understandable. Using a single account to transfer every single setting between devices is immensely handy. Furthermore, the range of extensions is almost immeasurable, as well as the addition of Google Docs and the numerous other Google services that can be accessed.

chrome web store example windows

Unfortunately, Microsoft got the Edge release all wrong. At a time where Microsoft is winning plaudits for its cross-device integration and cloud services, launching the Edge browser without support for extensions looks like more than an oversight. Microsoft Edge now supports extensions and could catch up in the coming years. But I’m sure Chrome will continue to dominate this area.

Best Tab Manager: Vivaldi

How do you use your browser? When writing and researching I might end up with 30 tabs open across three browser windows. Managing tab overload is a difficult task. It can also sow down your system as its resources are slowly squirreled away.

 There’s a new challenger in the world of web browsers. Vivaldi, a new browser from a number of Opera expatriates, rethinks several conventions in a way that’s worth your time. Under the hood, however, it still needs a bit of spit and polish to bring it up to snuff with its competition.

Vivaldi introduces some interesting methods for keeping ahead of the sprawl. One of the most interesting features is the ability to display multiple tabs at once on a large screen, all within one browser window. You can then organize the tabs into neat stacks. It is handy for tracking multiple inputs, or quickly comparing information across different websites.

Furthermore, you can easily bookmark, name, and minimize tab stacks to keep everything tidy. Tabs can also display notifications from social media sites or email accounts.

Vivaldi is a browser with a focus on power users, but is equally accessible to regular users. It is built on Chromium, so offers an excellent range of functionality, too.

Best Overall Browser: You Decide!

Choosing a single browser isn’t easy.

My browser of choice is Chrome. But I also use Tor and Microsoft Edge. Your decision will relate to your hardware. If you have a powerful machine with lots of RAM, go-ahead and use Chrome. If you’re using a less-than-powerful machine, consider an alternative that is kinder on system resources.

The major browsers remain so as they offer security and accessibility, the two deciding factors for many users. You don’t have to religiously stick to a single browser. Furthermore, there are numerous browsers that we haven’t listed. One of those might suit you down to the ground, so it is worth browsing for an alternative.

What is your Windows browser of choice? Do you use a different browser on your mobile device? Do you have an alternative browser to suggest to our readers? Let us know your browser preferences below!

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