Galaxy Z Fold 7 Doesn’t Have a Vapor Chamber — Should You Be Worried?

Samsung’s latest foldable, the Galaxy Z Fold 7, is slimmer, lighter, and more refined than ever. But that refinement came with a trade-off: Samsung has removed the vapor chamber cooling system, a staple in many high-end devices. Instead, the company is using graphite sheet-based heat dissipation. Naturally, some users are wondering: Should this be a concern for performance, longevity, or comfort during heavy use? Let’s break it down.

Samsung removed the vapor chamber from the Galaxy Z Fold 7 for a slimmer design

The vapor chamber is often used in flagship smartphones to dissipate heat more efficiently, especially under sustained loads like gaming or video rendering. But in the quest to make the Fold 7 thinner and lighter, Samsung had to rework its internal components, removing the vapor chamber in the process. The company opted for graphite sheets, which take up less space and help maintain the Fold 7’s sleek profile.

While graphite cooling isn’t new, it’s generally considered slightly less efficient than vapor chamber systems in long, high-load scenarios. However, it’s not ineffective. In fact, many experts say it’s only because of poor marketing that graphite sheets are considered less efficient. In reality, graphite can spread heat quickly over a large surface area, helping the device cool down almost as quickly as a vapor chamber.

Having used the Galaxy Z Fold 7 for over two weeks now, we can say the device does really well in managing thermals. It does get warm under heavy use — like extended gaming or 4K video editing — but it’s not alarmingly hot. More importantly, it rarely impacts usability. The phone might throttle performance slightly earlier than a device with a vapor chamber, but it remains incredibly powerful thanks to the efficient Snapdragon 8 Elite processor and One UI 8 optimization.

Should You Be Worried?

In short: no. For everyday use like browsing, messaging, social media, and light photography, you won’t notice a thing. The Galaxy Z Fold 7 will also handle heavy tasks with ease. There may be a slight dip in performance after extended sessions, but nothing to be worried about. Graphite cooling is a proven method and shouldn’t impact the device’s lifespan or stability.

Samsung has clearly tested this setup thoroughly, and so far, there’s no red flag pointing to overheating or device degradation. Unless you’re pushing your phone to its absolute thermal limits for hours on end, you’re unlikely to notice the difference. This beast of a foldable smartphone is now available to purchase worldwide. You can still score a free Mystery Box with it for the next few hours.