Two devices. One clear decision.

LAUNCH DATE3 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Announced	2026, June 30	2026, April 21
Released	2026, June 30	2026, April 21
Status	Available	Available

NETWORK6 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G LTE	1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66	1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G	1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA	1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Speed	HSPA, LTE, 5G	HSPA, LTE, 5G
Technology	GSM / WCDMA / LTE / 5G	GSM / WCDMA / LTE / 5G

BODY5 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Build	Glass front, Aluminum frame	Glass front (Dragon Crystal Glass), Aluminum frame, Glass-fiber reinforced plastic back or silicone polymer back
Dimensions	162.91 x 77.93 x 8.18 mm	162.9 x 77.9 x 8.1 mm (6.41 x 3.07 x 0.32 in)
IP Rating	IP68/IP69 dust tight and Water resistant (high pressure water jets; immersible up to 1.5m for 30 min)	IP66/IP68/IP69 Dust/water Resistant
SIM	Dual Nano-SIM	Nano-SIM + Nano-SIM
Weight	227 g	227 g

DISPLAY7 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Brightness	3500 nits (peak)	3500 nits (peak)
Protection	—	Xiaomi Dragon Crystal Glass
Refresh Rate	165Hz	165Hz
Resolution	1280 x 2772 pixels	1280 x 2772 pixels
Screen-to-body	~90.3%	~90.3%
Size	6.83 inches	6.83 inches
Type	AMOLED	AMOLED

PLATFORM4 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
CPU	Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)	Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 9500
GPU	Adreno 830 (1200 MHz)	Mali-G1 Ultra MC12
OS	Android 16; HyperOS	Android 16; HyperOS 3

MEMORY5 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Card slot	No	No
Internal	256 / 512 GB	256 / 512 GB / 1 TB
RAM	12 / 16 GB	12 / 16 GB
Storage Type	UFS 4.1	UFS 4.1
Storage/RAM variants	256 / 512 GB; 12 / 16 GB RAM	256 / 512 GB / 1 TB; 12 / 16 GB RAM

MAIN CAMERA3 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Features	Color spectrum sensor, LED Flash, Panorama, HDR	LED Flash, Panorama, HDR
MAIN CAMERA	50 MP main with OIS; 8 MP ultrawide	50 MP main with OIS; 8 MP ultrawide
Video	8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+	8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS

SELFIE CAMERA3 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Features	HDR	HDR
Selfie camera	20 MP	20 MP
Video	4K@30/60fps, 1080p@30fps	1080p@30fps

SOUND2 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
3.5mm jack	No	No
Loudspeaker	Yes, with Stereo Speakers	Yes, with Stereo Speakers

COMMUNICATION6 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Bluetooth	5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast	5.4, A2DP, LE, LHDC
NFC	Yes	Yes
Positioning	Yes	Yes
Radio	No	No
USB	USB Type-C	USB Type-C
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct	Wi-Fi 7, dual-band, Wi-Fi Direct

FEATURES1 field

Specification	Redmi K90 Ultra	Redmi K90 Max
Sensors	Fingerprint (under display, optical), accelerometer, proximity, gyro, compass	Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass

BATTERY3 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Capacity	8550mAh	8550mAh
Charging Type	100W wired; 22.5W reverse wired	100W wired; 22.5W reverse wired
Type	Non-removable Si/C Li-Ion Battery	Non-removable Li-Po Battery

ADDITIONAL INFORMATION4 fields

Specification	Redmi K90 Ultra	Redmi K90 Max
Colors	Black, Blue, Silver	Silver, Blue, Black
Compatibility	China	China
Models	Redmi K90 Ultra 5G, 2604FRK1EC	Redmi K90 Max
Price in Nigeria	₦1,200,000 (Stored estimate)	₦1,150,000 (Stored estimate)

SECURITY1 field

Specification	Redmi K90 Ultra	Redmi K90 Max
Security	Biometric security: Fingerprint (under display, optical).	Biometric security: Fingerprint (under display, ultrasonic).