Redmi K90 Ultra Specs Leaked: Massive 8000mAh Battery and Snapdragon 8 Elite Performance
New leaks for the upcoming Redmi K90 Ultra highlight a performance-focused design featuring the Snapdragon 8 Elite chipset, an integrated active cooling fan, and a massive 8,000mAh battery with 100W fast charging support, positioning it as a major upcoming sub-flagship contender.

Highlights
- •The Redmi K90 Ultra will likely feature the powerful Snapdragon 8 Elite chipset with a built-in active cooling fan.
- •Leaks suggest a massive 8,000 mAh battery paired with 100W fast charging capabilities.
- •The display is expected to be a 6.89-inch 1.5K LTPS OLED screen offering a 165Hz refresh rate.
- •The device is designed to be a competitive sub-flagship model, potentially arriving in the next few months.
Anticipation is building among smartphone enthusiasts as fresh leaks surrounding the Redmi K90 Ultra continue to surface. As a highly anticipated sub-flagship device from Xiaomi’s popular sub-brand, the handset is expected to make its market debut in the coming months. Early reports indicate that this upcoming model will pack a serious punch, positioning itself as a strong contender in the competitive performance-oriented smartphone segment.
Advanced Hardware and Performance Specs
According to insights shared by industry tipster Digital Chat Station, the Redmi K90 Ultra is set to be powered by the high-end Qualcomm Snapdragon 8 Elite chipset. To maintain sustained performance during heavy tasks or gaming, the device will reportedly incorporate an active cooling system complete with a built-in fan. This configuration aims to provide flagship-level capabilities that could rival the most powerful devices currently available on the market.
Beyond its processing power, the smartphone is expected to feature a substantial 8,000 mAh battery, a massive capacity that promises to set a new benchmark for endurance. Complementing this robust power cell is 100W wired fast charging technology, which was already identified in 3C certification filings earlier this year. These technical specifications suggest the Redmi K90 Ultra is designed specifically for users who prioritize raw power and long-lasting battery life.
Display and Durability Expectations
Leaks regarding the hardware design point toward a premium viewing experience. The Redmi K90 Ultra may feature a large 6.89-inch 1.5K LTPS OLED display, complemented by a smooth 165Hz refresh rate for fluid scrolling and gaming. Furthermore, durability is expected to be a key focus, with rumors suggesting the inclusion of an IP68 rating for enhanced dust and water resistance, alongside an ultrasonic fingerprint scanner for secure and rapid biometric authentication.
This upcoming device is expected to be positioned just below the existing Redmi K90 Max, which launched earlier this year at a starting price of approximately CNY 2,999. While the Redmi K90 Max operates on the MediaTek Dimensity 9500 chipset, the newer Redmi K90 Ultra looks to shift focus toward the Snapdragon 8 Elite architecture. With its combination of advanced cooling, rapid charging, and high-capacity battery, the device is clearly aimed at high-performance users who demand flagship results from a secondary premium tier.








