So, Apple just dropped its new "Liquid Glass" design language, and yeah, it looks amazing. Translucent, fluid, subtly animated. You don't need to see a logo to know that this is Apple's product. But while everyone's drooling over the aesthetics, I'm sitting here having a serious Vista flashback. How many CPU cycles is this beauty actually costing us?
Great graphics always comes at a price.
Remember macOS's dynamic video wallpapers? I do. On my work computer, running company's policy, I leave the laptop open for 5 minutes and the screen saver starts. It's gorgeous, and animates through the login screen and into your normal wallpaper. But open a few Chrome tabs, a Figma project, and a Docker container? Suddenly that serene mountain vista starts stuttering like a flipbook. I've had it freeze outright mid-scroll, crashing back to a black image more times than I can count. When the system is stressed, the pretty things break first.
Remember Windows Vista’s Aero? It had glassy transparency and window animations. It looked great when you freshly installed windows, or had a beefy machine. But it was a notorious resource hog that brought mid-2000s hardware to its knees. Fancy compositing effects, reflections, blurs, fluid morphs. They chew through GPU/CPU time. Always have.
I have this little web app I built for my kids to help them manage their day. It has those tiles that animate when you hover on them. Looks buttery smooth on my Ryzen 9 and NVIDIA laptop where I develop it. But the app runs on Raspberry Pi 4. The moment a single tile wiggles? The entire UI crawls. Why? Because the tiles blur the background. Now a blur is nothing compared to physics-based animation like Liquid Glass suggests.
Here's my hot take: Apple knows exactly what they’re doing. They're shipping Liquid Glass now because the M4 (and M3, M2...) is absurdly overpowered for what 90% of users actually do. Checking mail? Browsing? Streaming? Your M4 is bored out of its silicon mind. Liquid Glass is Apple's way of saying, "Fine, you’re not pushing the CPU? We’ll burn those idle cycles to make your dock shimmer."
You might not feel the drag today. That's the point! The M4’s raw power is the perfect smokescreen. But those cycles aren’t free. Your battery life will take a tool when those subtle drains add up. Your laptop is quiet now, but as you spend more time with it and do serious work, your fans will start to spin. If we continue with this pattern, what runs smooth on an M4 today might chug on baseline M5 in 3 years when macOS demands more. Try rendering a 4K video while those fluid animations dance. Suddenly, those "idle cycles" aren't so idle.
Liquid Glass isn't a deal breaker. It's Apple flexing their hardware muscle. But let's not pretend it's computationally weightless. This is Vista Aero wearing a $2000 cashmere sweater. Smoother, quieter, but still making your hardware work harder just to look cool.
If you need a laptop, it's totally worth it. But next time your fan whispers or your battery dips faster than expected… maybe blame the glass.