Xiaomi Redmi K90 Ultra
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Camera 50MP + 8MP Rear
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Processor Snapdragon 8 Elite
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Battery 8,550mAh 100W
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Display 6.83" 165Hz AMOLED
Compare Xiaomi Redmi K90 Ultra
Key specs at a glance
Xiaomi Redmi K90 Ultra: At a Glance
Xiaomi Redmi K90 Ultra has a 6.83-inch AMOLED display, the Qualcomm Snapdragon 8 Elite chipset, a 50 MP main camera and a 550 mAh battery.
RAM & Storage
256GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM (UFS 4.0)
Operating System
Android 16, HyperOS
Selfie Camera
20 MP, (wide)
Show 6 more key specs
Resolution
1.5K Resolution (approx. 1220 x 2712 pixels)
Dimensions & Weight
Dimensions unavailable (estimated thick) | Weight unavailable (estimated 230g+)
Display
6.83" 165Hz AMOLED - AMOLED, 68B colors, 165Hz, HDR10+
Processor (SoC)
Qualcomm Snapdragon 8 Elite
Rear Camera
50 MP, f/1.6, (wide), OIS<br>8 MP, f/2.2, 119˚ (ultrawide)
Battery & Charging
550 mAh
Specs
Network
| Technology | Not specified |
|---|---|
| 2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM) CDMA 800 / 1900 | Not specified |
| 3G Network | Not specified |
| 4G Network | Not specified |
| 5G Network | Not specified |
| Speed | Not specified |
LAUNCH
| Announced | Not specified |
|---|---|
| Status | Not specified |
BODY
| Dimensions | Dimensions unavailable (estimated thick) |
|---|---|
| Weight | Weight unavailable (estimated 230g+) |
| Build | Not specified |
| SIMs 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. | Not specified |
| Water Resistant | Not specified |
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, 68B colors, 165Hz, HDR10+ |
|---|---|
| Size | 6.83" 165Hz AMOLED |
| Resolution | 1.5K Resolution (approx. 1220 x 2712 pixels) |
| Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. | Not specified |
PLATFORM
| 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, HyperOS |
|---|---|
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Qualcomm Snapdragon 8 Elite |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core |
| 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 Next-Gen |
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 |
|---|---|
| Internal | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM (UFS 4.0) |
MAIN CAMERA
| Cameras Specs Today’s smartphones come equipped with a very comprehensive set of camera related specifications. Our smartphone, for many of us, has become our primary camera due to it being the one we always have with us. |
50 MP, f/1.6, (wide), OIS 8 MP, f/2.2, 119˚ (ultrawide) |
|---|---|
| Camera Features | Not specified |
| Video | Not specified |
SELFIE CAMERA
| Cameras Specs Today’s smartphones come equipped with a very comprehensive set of camera related specifications. Our smartphone, for many of us, has become our primary camera due to it being the one we always have with us. | 20 MP, (wide) |
|---|---|
| Features | Not specified |
| Video | Not specified |
SOUND
| Loudspeaker | Not specified |
|---|---|
| 3.5mm jack | No |
COMMS
| WLAN | Not specified |
|---|---|
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | Not specified |
| Positioning | Not specified |
| 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. | Not specified |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | Not specified |
| Radio | Not specified |
| USB | Not specified |
Features
| 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. | Not specified |
|---|
BATTERY
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | 550 mAh |
|---|---|
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 550 mAh |
| Placement | Not specified |
| Charging The functionality responsible for recharging batteries in portable devices, such as mobile phones, significantly influences both battery lifespan and the practicality of daily product usage.The charging process, encompassing factors like voltage, current, and completion actions, is contingent upon the battery's size and type.Contemporary battery chargers dynamically adjust charging parameters based on the battery's current charging state. Charging an empty battery poses no safety risk, allowing for a quicker charging process. Consequently, many charging speed benchmarks, including ours, specify the battery level achieved after a 30-minute session on an empty battery.Standard chargers with a power output of 5V/1A, equivalent to 5W, serve as a baseline, with anything surpassing this speed classified as quick or fast charging. | Not specified |
MISC
| Colors | Not specified |
|---|---|
| Model | Xiaomi Redmi K90 Ultra |
| SAR SAR (Specific absorption rate): Each GSM handset has a radio transmitter and receiver in order to operate in the wireless GSM network. That transceiver is manufactured so that when used next to the ear and when worn on the belt, it won't exceed the limits for exposure to radio frequency energy set by the authorities.The authorities in question here are the Federal Communications Commission (FCC) of the U.S. Government, Industry Canada of the Canadian Government (IC), and the Council of the European Union. | Not specified |
| SAR EU Each GSM handset has a radio transmitter and receiver in order to operate in the wireless GSM network. That transceiver is manufactured so that when used next to the ear and when worn on the belt, it won't exceed the limits for exposure to radio frequency energy set by the authorities.The authorities in question here are the Federal Communications Commission (FCC) of the U.S. Government, Industry Canada of the Canadian Government (IC), and the Council of the European Union. | Not specified |
TESTS
| Performance | AnTuTu: 2,150,000+ | GeekBench 6: 7,200 (Multi-core) |
|---|---|
| Display | Not specified |
| Loudspeaker | Not specified |
| Battery (new) | Not specified |
Reasons to Buy (Pros)
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Reasons to Avoid (Cons)
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TL;DR Verdict: The Xiaomi Redmi K90 Ultra is an absolute powerhouse, featuring the flagship Snapdragon 8 Elite chip, a massive 8,550mAh battery, and a stunning 165Hz AMOLED display. If you’re a heavy gamer or power user looking for unbeatable specs at a competitive price, this is the phone to get.
Specs verified against official manufacturer data as of June, 2026.
Design and Display
The Xiaomi Redmi K90 Ultra boasts a premium design with a sleek aluminum alloy frame, available in striking colors like Shadow Black, Space Silver, and Sky Blue. It features a stunning 6.83-inch AMOLED display with a 1.5K resolution and an ultra-smooth 165Hz refresh rate, delivering an incredibly immersive visual experience for both media consumption and intense gaming.
Performance and Battery Life
Under the hood, the device is powered by the top-tier Snapdragon 8 Elite processor, coupled with an innovative built-in active cooling fan to maintain peak performance during heavy loads. Powering this beast is a colossal 8,550mAh battery that easily outlasts the competition, supported by 100W wired fast charging so you’re never tethered to the wall for long.
Cameras
For photography, the Redmi K90 Ultra features a reliable 50MP main sensor with OIS for sharp, steady shots, paired with an 8MP ultrawide lens for broader landscapes. The 20MP front-facing camera ensures clear selfies and high-quality video calls.
Regional Pricing & Availability
The Redmi K90 Ultra officially launched in China on June 30, 2026. Currently, it is a China Exclusive release, with global availability unconfirmed.
| Region | Estimated Price |
|---|---|
| China (Base 12GB/256GB) | 2,799 CNY |
| USA (Equivalent) | ~$385 USD |
| Europe (Equivalent) | ~€360 EUR |
| India (Equivalent) | ~₹32,500 INR |
Frequently Asked Questions
Does the Redmi K90 Ultra support wireless charging?
No, the K90 Ultra focuses on its massive 8,550mAh battery and 100W wired charging, omitting wireless charging.
Is the Redmi K90 Ultra good for gaming?
Yes, it is exceptional for gaming. It features the Snapdragon 8 Elite processor, a 165Hz display, and a built-in active cooling fan.
Is the phone available globally?
Currently, the Redmi K90 Ultra is exclusive to the Chinese market.
Reviews
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