iQOO 15 Packs the Brand’s Largest Vapor Chamber Ever for Peak Gaming Power
iQOO 15 launches Oct 20 with the biggest 8K cooling system, Snapdragon 8 Elite Gen 5, and 6000-nit Samsung 2K display.
In 2025’s hyper-competitive smartphone scene, raw power isn’t enough — staying cool is part of the game. That’s the challenge iQOO aims to crush with its upcoming iQOO 15, a flagship built to push Qualcomm’s Snapdragon 8 Elite Gen 5 to its limits without breaking a sweat. The brand’s teasers on Weibo suggest this phone might just be a new benchmark for gaming performance.
The biggest flex? A new 8K VC Ice Dome cooling system, covering an insane 8000 mm² of surface area — the largest vapor chamber iQOO has ever put in a phone. For comparison, the iQOO 13’s “7K Ultra VC” was already impressive, but this year’s upgrade reportedly delivers 47% better heat dissipation, helped by a double-layer graphite thermal sheet. That’s the kind of engineering gamers dream of when they’re deep in a 60-minute ranked match.
To put it in perspective, iQOO’s product manager claims the iQOO 15’s vapor chamber is over three times the size of the one in Apple’s iPhone 17 Pro Max. It’s a subtle jab at the competition — and a bold statement about how serious iQOO is about performance under pressure.
But it’s not all about thermals. iQOO is polishing the user experience too, starting with a factory-applied anti-reflective protective film on every variant — something rare even among premium flagships. This detail might sound small, but anyone who’s used a glossy phone outdoors knows how much of a difference it makes in readability.
The display is another highlight. The 2K Samsung Everest panel, built on Samsung’s new M14 luminous material, promises 40% better luminous efficiency. The brightness numbers are wild: 1000 nits manual, 2600 nits full-screen, and a staggering 6000 nits local peak. That means gaming in bright sunlight or streaming HDR content is no longer a compromise — it’s part of the show.
Beyond visuals and cooling, the iQOO 15 ticks every flagship box: IP-rated water resistance, ultrasonic fingerprint recognition, dual symmetrical speakers, and a 091640 X-axis vibration motor for precise haptic feedback. It’s not just a gaming phone — it’s shaping up to be a true all-round flagship.
Launching on October 20 at 19:00 in China, the iQOO 15 will also debut the brand’s new Q3 gaming chip, designed to further enhance real-time performance optimization and energy management. Combined with the Snapdragon 8 Elite Gen 5, this duo could make it one of the most technically advanced Android flagships this year.
From its vapor-cooled internals to its blindingly bright screen, the iQOO 15 feels like a statement piece — a reminder that the gaming phone race isn’t slowing down, it’s heating up. The difference is, this one might just stay cool while doing it.
