What Liquid Cooling in a Gaming Phone Really Means
Liquid cooling in a gaming phone is a thermal management system that uses liquid-filled channels, a vapor chamber, and an active cooling system to move heat away from the processor faster than air and metal alone, helping sustain performance and delay thermal throttling during long, graphically intensive gaming sessions. In the Red Magic 11S Pro, this concept is pushed hard. Nubia’s AquaCore Cooling combines visible flowing fluorinated liquid, an enlarged vapor chamber cooling plate, and a built‑in 24,000‑RPM RGB fan. This sits on top of powerful hardware: a higher‑clocked Snapdragon 8 Elite Gen 5 Leading Edition, a dedicated RedCore R4 gaming chip, and a huge 7,500mAh battery designed for extended play. On paper, this multi‑layer system promises strong thermal management performance, especially for players worried about gaming phone overheating when targeting 120Hz or 144Hz frame rates in demanding titles.

Specs That Demand Serious Thermal Management
The Red Magic 11S Pro is built as a liquid cooling gaming phone from the ground up. Its 3nm Snapdragon 8 Elite Gen 5 Leading Edition runs two Orion V3 Phoenix L cores up to 4.74GHz, paired with up to 16GB of RAM and 512GB of storage, which puts serious sustained load on any thermal system. According to GSMArena, the AquaCore Cooling stack combines passive vapor chamber cooling, flowing fluorinated liquid, and an internal RGB fan that can spin at 24,000 RPM. Energy CUBE 3.0 software coordinates this hardware, tuning performance, fan speed, and heat dissipation. You also get a 6.85‑inch AMOLED at 144Hz, shoulder triggers, and a 7,500mAh battery that encourages multi‑hour gaming sessions. On CNET’s side, the 11S Pro continues the 11 Pro’s design but makes the coolant loop visible on every model, turning the thermal hardware into both a functional and cosmetic centerpiece.

Benchmarks: Performance vs. Heat in Stress Tests
Synthetic benchmarks show how far the 11S Pro will push its active cooling system before throttling. Android Authority reports that in Geekbench 6, the phone edges out the Galaxy S26 Ultra’s Snapdragon 8 Elite Gen 5 for Galaxy by around 3% in both single‑ and multi‑core scores, making it their fastest Snapdragon phone tested. In 3DMark Wild Life Extreme, the phone sustains 77% of its peak score over the stress run, where rivals fall between 60% and 49%, proving the vapor chamber cooling and fan help maintain high performance. The downside is heat: temperatures peak around 59°C with averages near 49–50°C. Even with vapor and fan‑assisted cooling, 60°C is far too hot for any gaming phone to comfortably hold, and it shows that maximum thermal management performance comes with a comfort penalty when you run continuous, unrealistic stress loads.

Real Gaming in a Heatwave: Does It Overheat?
Stress tests are one story; real‑world games tell you whether a liquid cooling gaming phone can keep its cool during extended play. In a roughly 33°C heatwave, Android Authority ran 20‑minute sessions of Call of Duty Mobile Battle Royale, Asphalt, and Mario Kart Wii via Dolphin with graphics and refresh rate settings pushed as high as possible. The Red Magic 11S Pro’s active cooling system kept temperatures much lower than in 3DMark: Call of Duty reached around 43°C, well below the stress‑test peak yet still warm to the touch. Performance remained stable and frame rates held high, so the phone avoided hard throttling or emergency shutdowns. This suggests the AquaCore liquid and vapor chamber cooling, paired with the 24,000‑RPM fan, works as intended under realistic loads, though the back can still feel noticeably hot in warmer environments.

Is the Price Bump for Liquid Cooling Worth It?
CNET notes that the RedMagic 11S Pro arrives at USD 849 (approx. RM3,900), which is a USD 100 (approx. RM460) increase over the RedMagic 11 Pro, with the main changes being the Snapdragon 8 Elite Gen 5 Leading Version and a fully visible liquid cooling loop on every model. In practice, this multi‑layer thermal design helps the phone run closer to its silicon limits for longer and reduces gaming phone overheating under real gameplay, even in a heatwave. However, the extreme benchmark data shows that under synthetic stress, temperatures climb high enough to affect comfort. If your priority is maximum fps and stable performance, the fan‑assisted vapor chamber cooling is effective. If you value a cool‑to‑the‑touch phone more than peak numbers, the price bump for this aggressive thermal package may feel harder to justify.

