Google Chrome will stop updating on Android 8 and 9 devices starting August 2025, a move that strands millions of users on aging phones just as Microsoft Edge is flooding Windows 11 with AI‑powered browsing, built‑in gaming tools, and privacy helpers. The browser wars are no longer about milliseconds on a SunSpider test — they are about operating‑system integration, artificial intelligence, and which vendor gives you more reasons to never install a rival.
The cutoff, confirmed in a Google support note, means Chrome 139 (due around August 5) will require Android 10 or later. Chrome 138 will be the last version that runs on Oreo and Pie. “Older versions of Chrome will continue to work, but there will be no further updates,” Google warned. Meanwhile, Microsoft has been rolling out Copilot Mode, a chat‑first browsing experience that can read across multiple tabs, and Copilot Vision, an opt‑in feature that sees and summarizes what’s on a page. The async timing is coincidental, but it neatly frames the two browsers’ divergent bets: Chrome is tightening its mobile requirements, while Edge is hurling AI, gaming, and security features at desktop users.
The Android cutoff: who is left behind?
Google’s support document states plainly that Chrome 139 will not run on Android 8.0 (Oreo) or 9.0 (Pie). The company is nudging users to move to Android 10 or newer to keep receiving security patches and new features. Distribution numbers from April 2025 show Android 9 on roughly 6% of devices and Android 8/8.1 on about 4%, meaning roughly 10% of the Android install base — still tens of millions of handsets — will be locked out of future Chrome releases. For those users, Microsoft Edge on Android, which supports Android 8.0 and later, becomes an attractive fallback, at least for now.
On Windows, Edge’s system requirements are also shifting. Microsoft sunset support for CPUs without SSE3 starting with recent Edge builds, meaning truly ancient hardware (pre‑2005 era) will stop receiving updates. Windows 10 SAC and Windows 11 remain fully supported, while macOS users need version 12 or later for newer Edge releases. The practical upshot: if you keep a spare laptop from the early 2000s, you may lose Edge updates, but Chrome faces the same hardware sunset.
The AI arms race: Copilot vs. Gemini
The biggest differentiator in 2025 is how each browser embeds artificial intelligence. Microsoft has branded Edge as “the AI browser,” and it is delivering on that label with Copilot Mode, Copilot Vision, and a pipeline of agentic experiments. Copilot Mode, introduced via an Edge Developer blog, gives users a streamlined, chat‑first interface that can see across multiple open tabs. Ask Copilot to compare flight prices or summarize a recipe from three different sites, and it can pull context from all of them without you copying and pasting. Copilot Vision, in preview since late 2024, adds visual page scanning — the AI can “see” the screen, describe images, and even extract text from a screenshot.
Google’s response is Gemini in Chrome, initially launching for Google AI Pro and Ultra subscribers after I/O 2025. Gemini provides in‑page summarization, clarifying questions, and deep research tools, but it is currently more conservative about cross‑tab awareness. Google’s public announcements also hint at future “do this for me” agentic actions, yet today those are less baked than Edge’s offerings. Importantly, Google gates some Gemini features behind paid plans: Pro ($19.99/month) brings 2M‑token context windows, while Ultra ($239.99/month) aims at “complex analysis and agentic tasks.” By contrast, Edge gives many Copilot features for free (though some advanced automation may eventually require subscription).
Privacy‑conscious users will find opt‑in controls in both browsers — Microsoft has been vocal about keeping Copilot actions transparent, while Google’s AI integration will tap into your Google account data. Neither browser should escape user scrutiny: give an AI assistant access to your browsing history, logins, and payment information, and you are granting a significant trust.
Privacy and security: Edge’s local smarts, Chrome’s advertising trade‑offs
Microsoft has quietly built a privacy‑focused utility belt inside Edge. Tracking protection blocks third‑party trackers and fingerprinting by default in its “Balanced” and “Strict” modes. Scareware Blocker, a locally trained AI model, detects malicious full‑screen pop‑ups and restores control without phoning home to a cloud service — it’s a genuinely clever safety net for less technical users. Edge Secure Network, a Cloudflare‑backed VPN, now offers 5 GB per month free after a Microsoft Account sign‑in, though it is browser‑only and won’t shield other apps.
Chrome’s security foundation is exceptionally strong: sandboxing, rapid patch cycles, and the V8 team’s memory‑safe engineering reduce exploit impact. However, Google’s business model creeps into the browser’s defaults. Ad personalization features like Topics API and site‑suggested ads are enabled unless a user digs into settings to opt out. The switch to Manifest V3 for extensions, while framed as a security improvement, also neatly handicaps ad blockers that rely on the old dynamic‑filtering APIs. In June 2024, The Verge reported that Chrome began phasing out Manifest V2 extensions, and by mid‑2025, uBlock Origin’s original version is effectively dead on Chrome and quickly following suit on Edge Canary builds.
Extensions and the Manifest V3 earthquake
Manifest V3 is the single most consequential change to browser extensions in years, and it hits Chromium‑based browsers equally. The old api allowed extensions to intercept every network request and modify it on the fly — the core mechanics behind uBlock Origin. The new api restricts those capabilities, ostensibly for security (malicious extensions can’t spy on every request), but by design it reduces the effectiveness of content blockers. The uBlock Origin developer released a “Lite” fork that complies with Manifest V3, but its filtering is less comprehensive. Independent testing shows that Edge Canary has begun disabling Manifest V2 extensions, and Microsoft’s own add‑ons store lists uBlock Origin only as a legacy entry.
For users who depend on aggressive ad‑ and tracker‑blocking, the Chromium ecosystem is becoming a less hospitable place. Firefox continues to support Manifest V2, and Brave has built ad‑blocking directly into the browser code rather than relying on extensions. In 2025, the rational choice for a privacy‑first user is moving off Chromium altogether.
Gaming and media: Edge’s home‑field advantage
Where Edge genuinely pulls ahead is gaming on Windows. Game Assist, launched as an in‑game browser overlay through the Windows Game Bar, lets players pull up guides, watch streams, or access Discord without alt‑tabbing away from a full‑screen game. Clarity Boost enhances Xbox Cloud Gaming streams specifically in Edge, sharpening compression artifacts for a visibly clearer picture. And Efficiency Mode and resource controls let users cap Edge’s RAM usage manually or automatically when a game is running — a nice touch for systems with 16 GB or less.
Chrome offers none of these gaming‑focused features. Its profile as a browser for content consumption is strong, with robust video codec support and excellent streaming performance, but Microsoft’s tight integration with Xbox, Game Bar, and Windows 11 gives Edge a structural lead for anyone who plays PC games.
Speed and benchmarks: close enough not to matter
Synthetic benchmarks like Speedometer 3 and JetStream 2 show Chrome maintaining a small lead in JavaScript execution, thanks to the Maglev compiler and years of V8 tuning. Edge, built on the same Chromium engine, is rarely far behind, and in some tests (like WebXPRT 4) Edge can edge out Chrome by a few points. Real‑world use reveals that both browsers render pages indistinguishably fast; network conditions and extension load weigh more heavily than the engine’s innate speed. For everyday browsing, the difference is academic.
Market share and the lock‑in factor
StatCounter data shows Chrome holding 65–69% of the desktop market in 2025, with Edge bouncing between 5% and 13% depending on the month and region. That gulf is enormous and self‑reinforcing: developers test primarily on Chrome, Google’s own services (Gmail, Drive, YouTube) are tuned for it, and an entire ecosystem of extensions and synced profiles assumes Chrome is the default. Edge has made incremental gains, particularly on Windows 11 where it is pinned to the taskbar until users actively remove it, but widespread skepticism about Microsoft’s pushy defaults and telemetry practices caps its growth.
For Windows enthusiasts, Edge’s feature set is genuinely compelling. The AI integrations are ahead of Chrome’s. Built‑in privacy tools are more accessible. And if you use Microsoft 365, the Collections feature and split‑screen view map seamlessly to Office workflows. The risk is that deep integration makes it harder to switch away later — behavior that regulators on both sides of the Atlantic are watching closely.
Recommendations and the road ahead
If you rely on Google’s constellation of services and want the smoothest cross‑device sync, Chrome remains the pragmatic pick. If you live in Windows 11, play PC games, or want a browser that already offers multi‑tab AI assistance without a subscription, Edge deserves a serious look. For users who demand uncompromising ad‑blocking and extension freedom, neither Chromium variant is ideal — Firefox or Brave will preserve the experience that Manifest V3 curtails.
The Android support cutoff may accelerate Edge’s adoption on older phones, but it is a temporary advantage. Android 10 will slide into obsolescence eventually, and Microsoft will follow suit. The more lasting battleground is AI. Both Chrome and Edge are shipping agentic features that can autonomously act on behalf of the user, raising the stakes for every decision about permissions, privacy, and trust. As Copilot Mode exits experiment and Gemini trickles down from premium tiers, the browser that manages to be useful without being creepy will win the next generation of user loyalty.
Vendors are transparent about dates and requirements until they aren’t. Check Microsoft’s Edge support page for exact SSE3 details, and watch Google’s Chrome release calendar for confirmation of the Chrome 139 launch. In the meantime, review your browser’s AI and privacy settings today — because the defaults are not always aligned with your interests.