Xiaomi Redmi K90

Brand: Xiaomi
Category: Mobiles

Processor: Qualcomm SM8750-AB Snapdragon 8 Elite
RAM: 12 GB, 16 GB
Storage: 256 GB, 512 GB, 1 TB
Display: 6.59 inches
Camera: 50 MP + 50 MP + 8 MP
Battery: Si/C Li-Po 7100 mAh

Our Rating

The overall rating is based on review by our editors

8.6 4.3 1

Design 9 / 10
Display 8 / 10
Camera 9 / 10
Features 8 / 10
Connectivity 9 / 10
Usability 9 / 10
Performance 8 / 10
Battery 9 / 10

Xiaomi Redmi K90 has been officially released on Oct. 23, 2025.

Product Main Features:

This flagship smartphone combines premium design with top-tier performance. It measures 157.5 × 75.3 × 8 m, and weighs 206 grams, offering a solid in-hand feel. The phone features a glass front with an aluminum frame and carries an IP68 rating, making it resistant to dust and water immersion up to 1.5 meters for 30 minutes. Dual Nano-SIM support adds flexibility for users who manage multiple numbers.

The device sports a 6.59-inch AMOLED display with an impressive 120Hz refresh rate and 2560Hz PWM dimming for reduced eye strain. With 68 billion colors, Dolby Vision, HDR Vivid, and HDR10+, the screen delivers stunning visuals. A peak brightness of 3500 nits ensures excellent outdoor visibility, while the 1156 × 2510 pixel resolution and 419 ppi density keep content sharp and detailed.

Running on Android 16 with HyperOS 3, performance is powered by the cutting-edge Snapdragon 8 Elite (3nm) chipset, paired with an advanced Oryon V2 octa-core CPU and Adreno 830 GPU. Xiaomi Redmi K90 is available in multiple configurations, ranging from 12GB to 16GB RAM and up to 1TB of UFS storage, with no memory card support.

Photography is handled by a versatile triple rear camera setup, featuring a 50MP main sensor with OIS, a 50MP telephoto lens with 2.5x optical zoom, and an 8MP ultra-wide camera. Video recording goes up to 8K at 30fps, with advanced stabilization and HDR support. The 20MP front camera records up to 1080p at 60fps.

Audio is enhanced with stereo speakers tuned by Bose and Hi-Res audio support. Connectivity includes Wi-Fi 7, Bluetooth 5.4, NFC, and an IR blaster. Powering the device is a massive 7100mAh silicon-carbon battery with 100W fast charging and 22.5W reverse wired charging, available in Black, White, Blue, and Purple.

Comments

Xiaomi Redmi K90 - SPECIFICATIONS

General

Model

Xiaomi Redmi K90
Released

October 2025
Status

Available

Design

Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.

Bar
Dimensions

157.5 x 75.3 x 8 mm
Weight

206 grams
Waterproof

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

Display

Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor)

AMOLED
Size

6.59 inches
Resolution

1156 x 2510 pixels
Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others.

68B colors
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.

419 PPI
Touch Screen

Yes
Features

2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)

Hardware

CPU The main chipset of the device.

Qualcomm SM8750-AB Snapdragon 8 Elite Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.

Adreno 830
RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.

12 GB, 16 GB
Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.

256 GB, 512 GB, 1 TB
Memory Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.

No
Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.

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

Software

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.

Android 16
User Interface UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface.

HyperOS 3

Camera

Rear Camera Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.

50 MP + 50 MP + 8 MP
Image

4320p
Video

8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration)

LED flash
Front Camera

20 MP (wide)

Network

SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages.

Nano SIM
Dual SIM

Yes

Connectivity

Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world.

Yes
USB

Yes
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.

Yes
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.

Yes
Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.

No
Headphone Jack

No

Battery

Capacity Battery Capacity

Si/C Li-Po 7100 mAh + 100W wired, PD3.0, QC3+, 100W PPS + 22.5W reverse wired
Placement

Non-removable

Media

Video Playback

Yes
Video Out

Yes
FM Radio

No
Ring Tones

Yes
Loudspeaker

Yes
Handsfree

Yes

Data

4G LTE 4G LTE bands

1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G NR Bands

1, 3, 5, 7, 8, 28, 66, 38, 40, 41, 48, 77, 78 SA/NSA
Speed

HSPA, LTE, 5G