Original Redmi K80 Ultra Smartphone CN Version Dimensity 9400+ 120W 7410mAh Ultra-Long Battery Life

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Please note that the 5G of this phone may not work in your country. If you mind, please do not place an order.

Xiaomi Redmi K80 Ultra

The phone model 12+256GB green has been activated but has not been used. If you mind, please do not place an order for this model.

China Version, Chinese ROM, only support Chinese and English

We will open the mobile phone box and install the Google play store before sending,or directly send the original phone，You need download the Google Play Store by youself . You cannot get instant notification for some apps, like whatsapp,ins,etc.This phone does not support esim and android auto (android car), please note.

CPU-------------- Dimensity 9400+

Screen----------- 6.83" , 2772*1280 Resolution, up to 144Hz Touch sampling rate

RAM+ROM------ 12GB+256GB /16GB+256GB/ 12GB+512GB / 16GB+512GB / 16GB+1TB

Camera---------- 50MP+8MP Rear Camera, 20MP Front Camera

Battery---------- 7410mAh(Typ) Battery, Support 100W Fast Charging

OS -------------- Xiaomi HyperOS 2

Other------------ Bluetooth 5.4, GPS, NFC

Sensor----------Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass

Package Contents------Xiaomi Redmi K80 Ultra , Adapter, USB Type-C data cable, SIM Eject Tool , Protective case,

Quick Start Guide

Network:

5G ：n1 / n3 / n5 / n7 / n8 / n26 / n28 / n66 / n38 / n40 / n41 / n48 / n77 / n78

4G：FDD-LTE ：B1 / B3 / B4 / B5 / B7 / B8 / B18 / B19 / B26 / B28A / B28B / B66

TDD-LTE ：B34 / B38 / B39 / B40 / B41 / B42 / B48

3G：WCDMA：B1 / B4 / B5 / B6 / B8 / B19

2G：GSM：B3 / B5 / B8

Supports 4x4 MIMO antenna technology "HPUE" HORxD

Real Photos

Description

1. Premium Performance: Dimensity 9400+ and Dedicated D2 Graphics Chip

Performance remains the core focus of the Extreme Edition. The Redmi K80 Ultra comes with the cutting-edge Dimensity 9400+ chipset, complemented by the independent D2 graphics chip. This setup enables native hardware-level AI upscaling and frame interpolation, enhancing visuals in demanding games like Genshin Impact, Clash of Clans, and Zero. Unlike software-based solutions, this hardware-level approach ensures smooth, artifact-free gameplay.

Redmi has also integrated its most advanced cooling system yet—a 6500mm² dual-stage ice-sealed loop—making direct contact with the SoC for efficient heat management and rapid cooling.

Xiaomi’s latest Rage Engine 4.0, which taps directly into the chipset’s architecture, boosts performance by optimizing at the micro level. This results in more consistent frame rates, improved energy efficiency, and reduced thermal output during intense gaming sessions.

2. Refined Aesthetics and Build Quality

The Redmi K80 Ultra abandons the traditionally masculine, no-nonsense design in favor of something more refined. While it retains the signature K80 family traits—circular camera module, flat display, and sharp edges—the matte back finish has been noticeably enhanced for a more sophisticated feel, suitable for a broader audience, including female users.

The frame remains metal but now adopts a four-curved wrap-around design similar to the Xiaomi 15, offering a far more ergonomic grip.

On the front, it boasts a 6.83-inch gaming display with ultra-thin bezels and rounded corners for a cleaner, more modern look. The screen includes Qingshan Eye Protection 2.0, featuring 3840Hz PWM dimming and built-in low blue light technology to minimize eye fatigue during extended play.

3. Experience: Sound, Vibration, and Battery Life

The K80 Extreme Edition is not just about raw power—it’s built for an immersive experience across all fronts. It features symmetrical stereo speakers of equal caliber at the top and bottom, delivering balanced, high-quality sound. The CyberEngine motor adds ultra-wideband tactile feedback, enhancing the feel of gameplay and notifications.

Battery life has also been supercharged. The device houses a massive 7410mAh battery—Redmi’s largest to date—paired with the Surge P3 chip and 100W turbo charging. It also supports advanced bypass charging, ensuring players can enjoy long sessions without the device heating up.

On top of these highlights, the phone includes several premium features such as an ultrasonic fingerprint sensor, IP68/IP69 water and dust resistance, and offline communication capabilities. All these combine to make the K80 Extreme Edition one of the most comprehensive offerings in the series.

Now, let’s take a closer look at its real-world performance through a series of tests and benchmarks.

Design and Appearance

The Redmi K80 Ultra maintains the signature look of the K80 lineup, with a distinct large circular camera module positioned on the left—making it instantly recognizable as part of the series. The lens deco takes visual cues from celestial star rings, layering circular motifs with precision. These are crafted using advanced CNC machining and fine nano-texturing, resulting in a visually captivating, dynamically balanced ring-like effect.

Sandstone gray finish, featuring a body made from ultra-lightweight fiberglass. Compared to the K70 Extreme Edition, the device is approximately 6.5 grams lighter and 0.2mm thinner. While these figures might appear minor on paper, the improvement in hand-feel—especially during extended gaming sessions—is noticeable.

On the front, the device boasts a 6.83-inch display built on CSOT’s M9 panel technology. It features generously curved corners, similar to the design seen on the Turbo 4 Pro, aimed at appealing to a younger audience’s visual tastes. The display delivers a 1.5K resolution and supports up to a 144Hz refresh rate. For better gaming interaction, the touch sampling rate has been boosted to an 2560Hz. Paired with a peak brightness of 3200 nits, this screen excels in both clarity and responsiveness.

When it comes to audio, the Redmi K80 Ultra offers the best sound performance yet in Xiaomi’s lineup. It houses top and bottom AAC Technologies 1115-grade speakers—among the highest quality available in smartphones. Their symmetrical positioning prevents audio from being muffled when holding the phone horizontally.

To fully utilize the audio hardware, REDMI has included enhanced sound modes with selectable profiles like bass boost, 3D surround, and vocal clarity, allowing users to customize their listening experience. The device supports 100W fast charging, and ships with a 120W Xiaomi Surge Second Charging Kit in the box, ensuring swift and convenient power-ups right out of the package.

Hardware and Performance

The Redmi K80 Ultra is powered by MediaTek’s most advanced Dimensity 9400+ processor. Built on a cutting-edge 3nm process and a second-generation full-core architecture, this chip delivers exceptional performance with efficient power consumption. It provides a rock-solid hardware platform tailored for high-end user experiences.

Redmi has equipped the entire K80 Extreme series with LPDDR5X RAM and UFS 4.1 storage as standard, ensuring ultra-fast memory and storage access. Complementing this setup is the dedicated D2 graphics chip, which enhances both frame rates and image quality, allowing the 1.5K display with a 144Hz refresh rate to perform at its full potential during gaming sessions.

To maximize the processor’s capabilities, Redmi introduced its most powerful cooling solution yet—the new-generation 3D Ice-Sealed Circulating Cold Pump System. This upgraded module includes a 6,500mm² dual-stage boss heat dissipation structure, offering a 25% wider thermal coverage than its predecessor in the K70 Extreme. The dual-stage boss shortens the heat path and reduces SoC temperature by about 3°C compared to previous designs.

Additionally, the ergonomic thermal layout minimizes heat buildup in grip-sensitive areas. Coupled with intelligent AI-based thermal regulation, the phone maintains peak performance while ensuring comfortable handling during intense gaming.