Redmi K90 Max Launched in China With Built-In Cooling Fan, Dimensity 9500 and 8,550mAh Battery

Highlights

• Redmi K90 Max launched in China at the starting price of 3,499 yuan (about $513).
• It is the first Xiaomi phone with a built-in active cooling fan (18.1mm) that reduces temps by up to 10°C in 100 seconds with 3 adjustable modes and a 6‑year warranty.
• Key Specs – Dimensity 9500 + D2 graphics chip, 6.83″ 1.5K 165Hz display, 8,550mAh battery, 100W fast charging, 50MP + 8MP dual rear cameras, 20MP front camera and IP66/IP68/IP69 durability.

Redmi K90 Max launched in China. (Image credit – Redmi)

Xiaomi has officially launched the Redmi K90 Max in China introducing a major innovation in smartphone cooling. The device becomes the first Xiaomi phone to feature a built-in active cooling fan alongside flagship-grade hardware and gaming-focused features. Here’s everything about the new device starting with price and availability.

Redmi K90 Max – Price and Availability

The Redmi K90 Max starts at 3,499 yuan (approximately $513) in China. With limited-time discounts and national subsidies, the effective starting price drops to 2,549 yuan (around $373) although the official pricing remains as follows –

• 12GB + 256GB – 3,499 yuan (about $513)
• 12GB + 512GB – 3,999 yuan (about $586)
• 16GB + 256GB – 3,799 yuan (about $557)
• 16GB + 512GB – 4,299 yuan (about $630)
• 16GB + 1TB – 4,999 yuan (about $733)

The smartphone is available in Space Silver, Shadow Black and Sky Blue colour options.

Redmi K90 Max – Design and Build

About the design and build, Redmi K90 Max features an aluminium alloy frame with slim bezels and a clean, minimal design.

The standout feature of the Redmi K90 Max is its integrated cooling fan measuring 18.1mm in diameter, which the company claims is larger than most existing implementations. The system uses a vertical air intake with forward-leaning blades to enhance airflow efficiency.

Redmi K90 Max cooling system teasers. (Image credit – Redmi)

It is paired with a sealed air duct and a vortex-style airflow structure designed to minimise turbulence. According to Xiaomi’s internal tests, this cooling mechanism can reduce temperatures by up to 10°C within approximately 100 seconds. Users can choose between three adjustable fan modes with noise levels going up to 32dB.

The fan is built using an all-metal bearing system and has passed a 50,000-hour durability test. Xiaomi is also offering a six-year warranty on the fan and lifetime free cleaning for customers who purchase the device before May 5.

Despite the inclusion of a cooling fan, the device carries IP66, IP68, and IP69 ratings for dust and water resistance.

Redmi K90 Max – Key Features

The Redmi K90 Max is powered by the MediaTek Dimensity 9500 chipset paired with a dedicated AI-based D2 discrete graphics chip. This combination is designed to deliver high-performance gaming supporting 1.5K resolution gameplay at refresh rates of up to 165Hz across a wide range of titles.

Redmi K90 Max features an AI-based D2 discrete graphics chip. (Image credit – Redmi)

The smartphone comes equipped with LPDDR5X Ultra RAM and UFS 4.1 storage ensuring fast performance and data access. On the front, it features a 6.83-inch flat display with a 1.5K resolution and a 165Hz refresh rate.

The display uses M10 backlight technology that supports full-brightness DC dimming and includes a low 1-nit brightness mode along with a dedicated eye protection setting tailored for gaming.

The device is backed by a large 8,550mAh single-cell battery, which supports 100W wired fast charging. For photography, the Redmi K90 Max sports a dual rear camera setup consisting of a 50-megapixel primary sensor (1/1.55-inch) and an 8-megapixel ultra-wide lens.

Redmi K90 Max camera specs. (Image credit – Redmi)

On the front, it features a 20-megapixel selfie camera.

Gaming-focused enhancements include a 400Hz gyroscope sampling rate, optimised touch zones for select games and a three-microphone system designed for better performance in landscape mode. Xiaomi has also added two Surge T1+ signal enhancement chips to improve connectivity stability.

Additional hardware features include symmetrical dual speakers tuned with Bose, a 3D ultrasonic fingerprint sensor and an X-axis linear motor for improved haptic feedback.

FAQ

Q1. What makes the Redmi K90 Max unique?

Answer. It is the first Xiaomi phone with a built-in active cooling fan, reducing temperatures by up to 10°C in 100 seconds.

Q2. What are the price options for the Redmi K90 Max?

Answer. Prices start at 3,499 yuan (about $513), with variants up to 16GB+1TB priced at 4,999 yuan (about $733).

Q3. Which processor powers the Redmi K90 Max?

Answer. The device runs on the MediaTek Dimensity 9500 chipset, paired with a D2 discrete graphics chip for gaming.

Q4. What display features does the Redmi K90 Max offer?

Answer. It has a 6.83-inch flat 1.5K display with a 165Hz refresh rate, M10 backlight tech, and eye protection mode.

Q5. What is the battery capacity and charging support of the Redmi K90 Max?

Answer. The phone packs a massive 8,550mAh battery with support for 100W wired fast charging.

Also Read –

https://www.mymobileindia.com/redmi-k90-max-launch-set-for-april-21-in-china-spotted-on-geekbench-revealing-dimensity-9500-other-key-specs-teased/

https://www.mymobileindia.com/redmi-k90-max-design-teased-ahead-of-launch-redmi-k-pad-2-with-dimensity-9500-also-confirmed/