Device comparison

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Device A

Redmi K90 Pro Max

Xiaomi · Phones

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Device B

Xiaomi · Phones

Brand Model Open full profile →

Complete comparison

Every available group and stored value, aligned by field.

Differences only

LAUNCH DATE3 fields

NETWORK6 fields

BODY5 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Build	Glass front, glass back, aluminum frame	Glass front (Gorilla Glass 7i), Aluminum frame, Glass-fiber reinforced plastic back
Dimensions	163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in)	163.49 x 77.92 x 8.74 mm
IP Rating	IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)	IP68
SIM	Dual Nano‑SIM	Dual SIM (nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM)
Weight	218 g (7.69 oz)	235g

DISPLAY9 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Brightness	3500 nits (peak)	Peak brightness: 10000 nits covering 1% display area; 4500 nits covering 25% display area; HBM brightness: 2200 nits; Typical brightness: 850 nits; Minimum brightness: 1 nit
Color	—	12 bit color depth, 68 billion colors; DCI-P3 wide color gamut
Features	HDR10+, Dolby Vision support	—
Protection	Corning Gorilla Glass Victus 2	Corning Gorilla Glass 7i
Refresh Rate	120Hz	185Hz
Resolution	1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)	1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Screen-to-body	92% (ultra‑slim bezels)	~91.6%
Size	6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio)	6.9"
Type	AMOLED	AMOLED

PLATFORM4 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
CPU	Octa-core (2x Prime & 6x Performance, Qualcomm Oryon)	Octa-core CPU 2 x Prime Core, up to 4.6GHz 6 x Performance Core, up to 3.62GHz
Chipset	Qualcomm Snapdragon 8 Elite Gen 5 (3 nm)	Snapdragon 8 Elite Gen 5
GPU	Adreno 840	Adreno
OS	Android 16	Powered by Xiaomi HyperOS 3

MEMORY5 fields

MAIN CAMERA3 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Features	Laser autofocus, LED flash, HDR, panorama	Color spectrum sensor, LED Flash, Panorama, HDR
MAIN CAMERA	50 MP wide, 1‑inch sensor, OIS, 50 MP ultrawide, 64 MP periscope telephoto, 5× optical zoom, OIS	200MP main camera, f/1.68; 50MP periscope telephoto camera, f/3.0; 50MP ultra-wide camera, f/2.4
Video	8K at 30 fps, 4K at 120 fps	8K (7680x4320) video recording at 30fps; 4K (3840x2160) video recording at 30 fps, 60 fps; 1080p (1920x1080) HD video recording at 30 fps, 60 fps

SELFIE CAMERA3 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Features	HDR, portrait effects	HDR
Selfie camera	32 MP wide	32MP front camera
Video	4K video recording	4K (3840x2160) video recording at 30 fps; 1080p (1920x1080) HD video recording at 30 fps, or 60 fps; 720p (1280x720) HD video recording at 30 fps

SOUND3 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
3.5mm jack	No	No
Dolby Atmos	Supported	Yes
Loudspeaker	Stereo speakers with Dolby Atmos tuning	Symmetrical stereo speakers with an independent subwoofer ｜3-Mic array

COMMUNICATION6 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Bluetooth	5.4 stable low‑energy connection	6.0
NFC	Yes	Yes
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, Galileo, Beidou, QZSS, NavIC
Radio	No	No
USB	USB Type‑C	USB-C
WLAN	Wi‑Fi 7	Wi-Fi Protocol: Wi-Fi 6/ Wi-Fi 5/ Wi-Fi 4 and 802.11a/b/g/n/ac/ax/be

FEATURES2 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Satellite	Not supported	—
Sensors	Ultrasonic under‑display fingerprint, accelerometer, gyro, proximity, compass	Proximity sensor; Ambient light sensor; Accelerometer; Electronic compass; Gyroscope; IR blaster; Flicker sensor; X-axis linear vibration motor ｜Color Temperature Sensor

BATTERY3 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Capacity	7560 mAh	8050mAh (typ)
Charging Type	100W wired, PD3.0, QC3+, 100W PPS; 50W wireless; 22.5W reverse wireless	100W wired HyperCharge; 50W wireless HyperCharge; Up to 27W wired reverse charging; Up to 22.5W wireless reverse charging
Type	Li‑Po, non‑removable	Non-removable Si/C Li-Ion Battery

ADDITIONAL INFORMATION6 fields

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Colors	Black, White, Denim Blue, Lamborgini White	Black
Compatibility	—	Australia specification set
Cooling	Advanced multi‑layer vapor‑chamber cooling system	—
Launch Price (USD)	$550.00 (reference only — see Price in Nigeria above for the actual retail price)	—
Models	Region‑specific variants	Poco F9 Ultra, 26077PC53G
Price in Nigeria	₦888,000 (Saved seller price · not yet reverified)	₦1,250,000 (Stored estimate)

SECURITY1 field

Specification	Redmi K90 Pro Max	Poco F9 Ultra
Security	Ultrasonic under‑display fingerprint sensor, face unlock	Ultrasonic in-display fingerprint sensor; AI Face Unlock