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Xiaomi K90 Max

Xiaomi K90 Max

Released: April 21, 2026

Unofficial Price৳ 59,999

Where to Buy

Display6.83"
Camera50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS
RAM12GB
Battery8550 mAh

The Xiaomi K90 Max stands out as an absolute flagship power-house, meticulously built for hardcore gamers, media enthusiasts, and heavy power users. Packed with cutting-edge hardware—including a massive 8550 mAh battery, a hyper-smooth 165Hz display, and a built-in physical cooling fan—this smartphone delivers uncompromised performance and unbelievable endurance for demanding mobile tasks. Peak Gaming & Ultra-Bright 165Hz Display At the core of the Xiaomi K90 Max lies the 3nm MediaTek Dimensity 9500 chipset paired with an active built-in cooling fan to sustain maximum performance under sustained workloads. Up front, the massive 6.83-inch AMOLED display delivers stunning visuals with a 165Hz refresh rate, Dolby Vision, HDR10+ support, and an extraordinary peak brightness of 3500 nits. Colossal Battery & Bose 2.1 Sound Powering the device is a gargantuan 8550 mAh battery that easily handles prolonged heavy usage, supported by 100W super-fast wired charging and 22.5W reverse wired charging capabilities. Audio quality is equally impressive, featuring a Bose-tuned 2.1 stereo sound system complete with a dedicated woofer and Hi-Res audio support for an unmatched acoustic experience. Extreme Durability & Advanced Connectivity Designed to endure harsh conditions, the body boasts extreme IP68/IP69 dust and water resistance along with tough Dragon Crystal Glass protection. Connectivity features are top-tier, offering Wi-Fi 7, 5G networks, an ultrasonic under-display fingerprint scanner, and high-speed UFS 4.1 storage up to 1TB. Who is this for? / Should you buy it? The Xiaomi K90 Max is tailor-made for users who demand the ultimate mobile gaming setup, exceptional battery longevity, and immersive multimedia capabilities in one rugged, feature-packed package. If high-frame-rate performance, long battery life, and superior Bose audio are your top priorities, this device offers extreme hardware value.

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Reasons to Buy

  • Massive 8550 mAh battery with 100W fast wired charging
  • Smooth 6.83-inch 165Hz AMOLED display with 3500 nits peak brightness
  • Flagship MediaTek Dimensity 9500 (3nm) performance with built-in cooling fan
  • Impressive Bose 2.1 stereo sound system featuring a dedicated woofer
  • Extreme IP68/IP69 rating for high-pressure water and dust resistance
  • Fast ultrasonic under-display fingerprint sensor and Dragon Crystal Glass

Reasons to Avoid

  • Relatively heavy body weighing 227 grams
  • Secondary ultrawide camera is limited to 8 MP resolution
  • Lacks support for wireless charging
  • No microSD expandable storage slot or 3.5mm headphone jack

Full Specifications

Network

Technology
GSM / HSPA / LTE / 5G
2G Bands
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G Bands
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Launch

Announced
April 21, 2026
Status
Available

Body

Dimensions
162.9 x 77.9 x 8.2 mm
Weight
227 g
Build
Glass front (Glass front (Dragon Crystal Glass)), Back (glass-fiber reinforced plastic back or silicone polymer back), Frame (aluminum frame)
SIM
Nano-SIM + Nano-SIM
IP Rating
IP68/IP69
Other Features
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), Built-in cooling fan

Display

Type
AMOLED
Size
6.83 inches (~90.3% screen-to-body ratio, 114.5 cm²)
Resolution
1280 x 2772 pixels (19.5:9 ratio) (~447 ppi density)
Refresh Rate
165 Hz
Brightness
3500 nits (peak)
HDR
Dolby Vision, HDR10+, HDR Vivid
Protection
Dragon Crystal Glass
Other Features
68B colors

Platform

OS
Android 16 , HyperOS 3
Chipset
MediaTek Dimensity 9500 (3 nm)
CPU
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Mali-G1 Ultra MC12

Memory

Card slot
No
Internal
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1024GB 16GB RAM
Features
UFS 4.1

Main Camera

Modules
50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
Features
LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS

Selfie Camera

Modules
20 MP (wide)
Features
HDR
Video
1080p@30/60fps

Sound

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
No
Features
Tuned by Bose, Bose 2.1 stereo sound system with a woofer, 24-bit/192kHz Hi-Res & Hi-Res wireless audio

Connectivity

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC
Positioning
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C

Features

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

Battery

Type
8550 mAh
Charging
100W wired, 100W PPS, PD3.0, 22.5W reverse wired

Misc

Colors
Silver, Blue, Black

Xiaomi K90 Max Review

The Xiaomi K90 Max stands out as an absolute flagship power-house, meticulously built for hardcore gamers, media enthusiasts, and heavy power users. Packed with cutting-edge hardware—including a massive 8550 mAh battery, a hyper-smooth 165Hz display, and a built-in physical cooling fan—this smartphone delivers uncompromised performance and unbelievable endurance for demanding mobile tasks.

Peak Gaming & Ultra-Bright 165Hz Display

At the core of the Xiaomi K90 Max lies the 3nm MediaTek Dimensity 9500 chipset paired with an active built-in cooling fan to sustain maximum performance under sustained workloads. Up front, the massive 6.83-inch AMOLED display delivers stunning visuals with a 165Hz refresh rate, Dolby Vision, HDR10+ support, and an extraordinary peak brightness of 3500 nits.

Colossal Battery & Bose 2.1 Sound

Powering the device is a gargantuan 8550 mAh battery that easily handles prolonged heavy usage, supported by 100W super-fast wired charging and 22.5W reverse wired charging capabilities. Audio quality is equally impressive, featuring a Bose-tuned 2.1 stereo sound system complete with a dedicated woofer and Hi-Res audio support for an unmatched acoustic experience.

Extreme Durability & Advanced Connectivity

Designed to endure harsh conditions, the body boasts extreme IP68/IP69 dust and water resistance along with tough Dragon Crystal Glass protection. Connectivity features are top-tier, offering Wi-Fi 7, 5G networks, an ultrasonic under-display fingerprint scanner, and high-speed UFS 4.1 storage up to 1TB.

Who is this for? / Should you buy it?

The Xiaomi K90 Max is tailor-made for users who demand the ultimate mobile gaming setup, exceptional battery longevity, and immersive multimedia capabilities in one rugged, feature-packed package. If high-frame-rate performance, long battery life, and superior Bose audio are your top priorities, this device offers extreme hardware value.

Frequently Asked Questions

The phone features an 8550 mAh battery that supports 100W wired fast charging and 22.5W reverse wired charging.

It has a 6.83-inch AMOLED display with a 165Hz refresh rate, 3500 nits peak brightness, and Dragon Crystal Glass protection.

It is powered by the MediaTek Dimensity 9500 (3 nm) octa-core processor and a Mali-G1 Ultra MC12 GPU.

Yes, it has an IP68/IP69 rating, making it dust-tight and resistant to high-pressure water jets and immersion up to 1.5m for 30 minutes.

No, it does not have a memory card slot for expandable storage.