Xiaomi Redmi K90 Ultra

Xiaomi Redmi K90 Ultra  Overview

The Xiaomi Redmi K90 Ultra is a true powerhouse, built for users who demand top-tier performance. It is powered by the latest Snapdragon 8 Elite chipset and runs on the new Android 16 with Xiaomi’s HyperOS 3, making everything from gaming to multitasking incredibly smooth. The phone has a premium, robust feel with a glass front and aluminum frame, and it is also incredibly durable with an IP68/IP69 rating, meaning it can survive dust, high-pressure water jets, and even immersion in water. It is a bit on the heavier side at 227g, but that weight houses a massive 8550 mAh battery that supports a ultrafast 100W wired charging, so you can get a full day’s power in just a few minutes.

The display and multimedia are where this phone truly shines. It features a massive 6.83 inch AMOLED screen with a stunning 165Hz refresh rate, making scrolling and animations feel unbelievably fluid. The visuals are further enhanced with support for Dolby Vision and HDR10+, and it boasts a peak brightness of 9500 nits, which is exceptional for viewing HDR content outdoors. To complement the stunning visuals, Xiaomi has partnered with Bose for a 2.1 stereo sound system that includes a woofer, delivering rich, immersive audio that is perfect for watching movies or playing games. It also supports high resolution wireless audio, making it a top-tier choice for media consumption.

While it may not have a dozen lenses, the dual-camera setup on the back is focused on quality. The main 50 MP camera with optical image stabilization captures sharp and detailed photos, while the 8 MP ultrawide lens is great for fitting more into the frame. It also records incredible 8K video at 30fps. On the front, there is a capable 20 MP selfie camera for clear video calls and self-portraits. For connectivity, it is fully future-proofed with support for all major 5G bands, Wi-Fi 7, and Bluetooth 5.4. It also comes with a generous amount of internal storage starting at 256GB, though there is no option to expand it via a microSD card. With all these premium features packed in, it is priced at about $630 (Rs 59,990 in India), offering incredible value for money.

Xiaomi Redmi K90 Ultra Pros and Cons

Based on the above specs, you can see the list of pros and cons (advantages and disadvantages) of the Xiaomi Redmi K90 Ultra smartphone.

Pros

  1. The phone has a massive 8550 mAh battery. This means you can easily use the device for two full days without needing to recharge.
  2. It supports extremely fast 100W wired charging. This allows you to fully charge the huge battery from empty to full in a very short time.
  3. The display is incredibly bright, with a peak brightness of 9500 nits. This makes the screen very easy to read even under direct sunlight.
  4. It features a very smooth 165Hz refresh rate screen. This makes scrolling through apps and playing games feel incredibly fluid and responsive.
  5. The phone is built with an IP68/IP69 rating, making it completely dust-tight and resistant to high-pressure water.
  6. It has a built-in cooling fan, which is great for gamers. This keeps the phone from getting too hot during long, intense gaming sessions.
  7. The device has a built-in infrared port. This allows you to use your phone as a remote control for home appliances.
  8. It includes NFC. This feature lets you make contactless payments using Google Pay or other digital wallet apps quickly and easily.
  9. The phone comes with 8K video recording with gyro-EIS support

Cons

  1. The secondary 8MP ultrawide camera is very low resolution. Photos taken with this lens will look soft and lack detail, especially in low light.
  2. The phone does not have a 3.5mm headphone jack. This means you cannot use wired headphones and must use wireless ones or a USB-C adapter.
  3. There is no option to expand the storage with a microSD card. You are stuck with the internal storage you buy, so choose your model carefully.
  4. The 20MP selfie camera is average at best. It will take decent photos for video calls, but it does not compete with flagship phones for high-quality selfies and 4k or above video recording.
  5. The phone is quite heavy at 227 grams. This makes it feel noticeably bulky and tiring to hold for long periods.
  6. It only has a dual camera setup on the back. Unlike many other premium phones, it lacks a dedicated telephoto lens for high-quality optical zoom photos.
  7. There is no SOS satellite messaging support in an emergency.
John Depp
John Depp is an editor at Oispice and has excellent knowledge of technology such as smartphones, apps, games, and gadgets. He specializes in tech news and smartphone reviews. John is available on Twitter @JohnDep18441971 and mail at john.depp@oispice.com.