Home / Xiaomi / Redmi K90 Ultra
Xiaomi
Redmi K90 Ultra
₹49,999
Chipset
OS: Android 16 (HyperOS)Chipset: MediaTek Dimensity 9500+ (3 nm)CPU: Octa-coreGPU: Immortalis-G725 MC12
Main Camera
Triple: 50 MP (wide) Sony LYT-900 OIS + 50 MP (ultrawide) + 50 MP (telephoto 3x)Features: IP68 Rating 120W Charging 144Hz GamingVideo: 8K@24fps 4K@60fps
Display
Type: C8+ AMOLED 144Hz 2K Resolution 5000 nitsSize: 6.67 inchesRes: 1440 x 3200 pixelsProtection: Xiaomi Longjing Glass
Battery Details
Type: Li-Po 5500 mAhCharging: 120W wired 50W wireless
The performance monster with a dedicated gaming chip.
Technical Specifications
| Network | GSM / HSPA / LTE / 5G |
| Launch | 2026 August 14 |
| Body | Dimensions: 162.2 x 75.7 x 8.4 mm Weight: 215 g Build: Glass front Glass back Aluminum frame SIM: Dual SIM X7 Independent Display Chip |
| Display | Type: C8+ AMOLED 144Hz 2K Resolution 5000 nits Size: 6.67 inches Res: 1440 x 3200 pixels Protection: Xiaomi Longjing Glass |
| Platform | OS: Android 16 (HyperOS) Chipset: MediaTek Dimensity 9500+ (3 nm) CPU: Octa-core GPU: Immortalis-G725 MC12 |
| Memory | Card slot: No Internal: 512GB 16GB RAM 1TB 24GB RAM UFS 4.0 |
| Camera | Triple: 50 MP (wide) Sony LYT-900 OIS + 50 MP (ultrawide) + 50 MP (telephoto 3x) Features: IP68 Rating 120W Charging 144Hz Gaming Video: 8K@24fps 4K@60fps |
| Comms/Sound | Loudspeaker: Yes stereo speakers 3.5mm jack: No WLAN: Wi-Fi 7 Bluetooth: 5.4 NFC: Yes |
| Battery | Type: Li-Po 5500 mAh Charging: 120W wired 50W wireless |
| Colors | Lamborghini Green Black White |
Professional Overview
Redmi K90 Ultra is built for speed demons. It pairs the MediaTek Dimensity 9500+ with a dedicated X7 Independent Display Chip to achieve 144fps in supported games through frame interpolation. The screen is a visual treat: a flat 2K OLED panel with 144Hz refresh rate and blinding 5000 nits brightness. It doesn't skimp on cameras either, featuring a flagship Sony LYT-900 main sensor. With IP68 water resistance, 120W wired charging, and 50W wireless charging, it offers a complete flagship experience at a fraction of the cost. It is designed to dominate benchmarks and gaming sessions alike.
FAQs
Q1: Is it the fastest Redmi?
Yes, features the top-tier Dimensity chip.
Q2: What is the X7 chip?
It boosts frame rates and resolution in games.
Q3: Is the screen 4K?
No, it is 2K (QHD+), very sharp.
Q4: How fast is charging?
120W wired and 50W wireless.
Q5: Is it waterproof?
Yes, IP68 rated.
Q6: Does it have a zoom lens?
Yes, 3x optical zoom.
Q7: Is the screen flat?
Yes, flat screen for gamers.
Q8: How much RAM?
Up to 24GB LPDDR5X.
Q9: Does it have IR blaster?
Yes.
Q10: Is the main camera good?
Yes, flagship 1-inch sensor.
Q11: Does it heat up?
Has a massive cooling system for sustained performance.
Q12: Is the frame metal?
Yes, aluminum.
Q13: Does it support 8K video?
Yes.
Q14: Is storage expandable?
No.
Q15: Battery life?
Excellent 5500mAh.
Verdict Summary
Dimensity 9500+ Chip
X7 Gaming Chip
144Hz 2K OLED
IP68 Water Resistance
120W Wired / 50W Wireless
Sony LYT-900 Sensor
5500mAh Battery
Wi-Fi 7 Support
HyperOS AI
24GB RAM Option
Smart Deal & Finance Hub
Estimated Monthly EMI (No Cost)
₹/mo
3 Months
Plan: 12 Months
24 Months
Estimated Resale Value (After 1 Year)
₹32,499*
*Estimated based on current flagship market trends.