Chrome had the highest idle CPU and RAM usage in a 5-browser benchmark

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Is Chrome Still the Best Browser in 2026? (A Memory Test) | GoPeek

Chrome<br>Comparison<br>2026

Is Chrome Still the Best Browser in 2026? (A Memory Test)

June 15, 2026<br>7 min read<br>By Lachlan Martin

Chrome dominates market share. But dominance does not mean best performance.

Chrome has 65% of the browser market. It has been the default for 15 years. But in 2026, Edge, Firefox, and Safari have caught up in ways that matter. Speed, memory efficiency, and privacy features are no longer Chrome-exclusive.

I ran a memory test on five browsers with identical workloads. The results were not what I expected.

The Test Setup

I tested Chrome, Edge, Firefox, Safari, and Arc on the same machine: a MacBook Pro with 16GB RAM. Each browser started fresh with no extensions. I opened the same 10 tabs on each:

Google Docs (active document)

Gmail

GitHub (repo page)

Stack Overflow (question with 5 answers)

Reddit (front page)

Twitter/X (feed)

YouTube (video page, not playing)

Notion (workspace)

MDN Web Docs (reference page)

Localhost (dev server running a React app)

I let each browser settle for 5 minutes, then measured RAM and CPU. I also tested with 20 tabs by duplicating the set. Here are the results.

10-Tab Results

Browser<br>RAM (10 tabs)<br>CPU at idle<br>Notes

Safari<br>1.4 GB<br>2-4%<br>Native macOS integration, aggressive tab suspension

Firefox<br>1.8 GB<br>3-5%<br>Low memory mode active, minimal background JS

Edge<br>2.1 GB<br>5-8%<br>Same engine as Chrome, but better sleeping tabs

Chrome<br>2.4 GB<br>6-10%<br>Highest RAM and CPU. No native tab suspension.

Arc<br>2.3 GB<br>5-9%<br>Mac-only. Similar to Chrome with added UI overhead.

Safari won. Firefox was close. Chrome was last. The gap between Safari and Chrome was 1GB of RAM on the same 10 tabs. That is not a small difference. That is the difference between a smooth machine and a sluggish one on 8GB of RAM.

20-Tab Results

Browser<br>RAM (20 tabs)<br>CPU at idle<br>Notes

Safari<br>2.1 GB<br>3-5%<br>Still efficient. Tabs sleep aggressively.

Firefox<br>2.8 GB<br>4-7%<br>Low memory mode scales well.

Edge<br>3.6 GB<br>8-12%<br>Sleeping tabs help, but base overhead is high.

Chrome<br>4.2 GB<br>10-15%<br>Memory Saver helps, but only after tabs are idle.

Arc<br>4.0 GB<br>9-14%<br>Auto-archive helps, but 20 pinned tabs are heavy.

At 20 tabs, the gap widened. Chrome used twice as much RAM as Safari. It also had the highest CPU at idle, meaning background tabs were still active even when I was not using them.

Why Chrome Uses More Memory

Chrome runs each tab as a separate process. This is good for stability — one tab crash does not kill the whole browser. But it is expensive for memory. Each process has overhead. 20 tabs means 20 processes plus the browser process, the GPU process, and any extension processes.

Safari and Firefox use a hybrid model. They group tabs into fewer processes. This saves RAM but means one bad tab can affect a group. For most users, the trade-off is worth it. You rarely see tab crashes in 2026.

Chrome's Memory Saver mode helps, but it only activates after tabs have been idle for a while. Safari suspends tabs almost immediately. Firefox's low memory mode is more aggressive. Edge's sleeping tabs are better than Chrome's, but the base engine is the same.

Chrome's Real Strengths

Chrome is not bad. It is just not the clear winner anymore. It still has real advantages:

Extensions. The Chrome Web Store has the largest selection. Most extensions are built for Chrome first. If you rely on specific workflow tools, Chrome is the safest bet.

Developer tools. Chrome DevTools are still the standard. Most web developers test in Chrome first. If you build websites, you need Chrome.

Sync. Chrome's cross-device sync is reliable and works on every platform. Safari sync is Apple-only. Firefox sync is good but less integrated.

Compatibility. Some enterprise web apps are built specifically for Chrome. If your job requires a specific browser, Chrome is often the only option.

Performance on high-end hardware. On machines with 32GB+ RAM and modern CPUs, Chrome's overhead is irrelevant. It is fast, stable, and feature-rich. The memory problem only hurts on mid-range or older machines.

When to Switch

You should consider switching from Chrome if:

You have 8GB or 16GB of RAM and Chrome is consistently using 4-6GB

Your fan spins constantly during normal browsing

You do not rely on Chrome-specific extensions or dev tools

You are on macOS and want the most efficient browser (Safari)

You want better privacy defaults without installing extensions (Firefox)

You want Chrome compatibility with better memory management (Edge)

You should stay on Chrome if:

You rely on specific Chrome extensions that do not work elsewhere

You are a web developer who needs Chrome DevTools

You have 32GB+ RAM and the overhead does not matter

Your workplace requires Chrome for internal tools

The Browser Does Not Matter as Much as Your Tabs

Here is the truth that the browser comparison sites ignore: the biggest factor in your browser's performance is not the browser....

chrome tabs browser memory safari firefox

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