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[Austin Turner]

Great topic to dig into. The core thing most people miss is that tickrate and physics timestep are two separate simulation clocks, and decoupling them properly is what actually separates a server that “feels solid” from one that feels floaty. In engines using a fixed-timestep accumulator pattern (which is what you want for competitive integrity), the physics step runs at a constant frequency—say 64Hz or 128Hz—regardless of where your render frame rate lands. This means input sampling, interpolation, and hitbox queries all resolve against the same deterministic simulation state, so a 128-tick server processes player movement 2x more granularly than a 64-tick one, and your hit registration aligns closer to actual server-side position rather than your local prediction. The danger zone is when the render loop and simulation start contending: if your game ties physics to

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[Austin Turner]

For handhelds like the Steam Deck or ROG Ally, I’ve switched entirely to Honeywell PTM795 phase change pads and haven’t looked back. The mechanism is what matters here: these pads stay solid at room temp so they’re mess-free and positionable, then melt into a paste around 45-50°C when your SoC loads up. That lets them flow into the micro-scratches and voids on the die and metal shield that a conventional silicone pad just can’t bridge. On my Ally, that dropped my APU junction by roughly 8-10°C under sustained FSR-heavy sessions and killed the thermal throttling I was seeing after twenty minutes of gaming.

Liquid metal is dramatically more risky in a handheld form factor. The core danger isn’t the contact material itself, it’s electrical conductivity. Gallium alloys like Conductonaut can creep past the die perimeter and short out the surrounding VRMs and capacitors, which in a densely packed handheld with thin thermal pads near those rails is a real possibility. If you do go liquid metal, only put it on the bare silicon die, never across the IHS or exposed solder pads, and mask the surrounding components with high-temperature Kapton tape before application.

The critical step people skip is ensuring the metal shield on the die is fully coated too, since that’s your primary heat spreader. I’d honestly stick with the phase change pad for the shield and only consider liquid metal on the bare die if you have cleanroom-level application discipline.

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