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Xiaomi Redmi K90 Max vs Xiaomi Redmi K90 Ultra

Redmi K90 Max81Redmi K90 Ultra80

Verdict

The Xiaomi Redmi K90 Max scores higher in 1 of 6 sections (performance), while the Xiaomi Redmi K90 Ultra is not clearly ahead in any section; they are even on camera, battery, display, design & durability and connectivity & features.

The biggest difference is performance: 98 vs 94 points.

The Xiaomi Redmi K90 Ultra is the newer model, announced 2 months after the Xiaomi Redmi K90 Max.

  • Redmi K90 Max leads in 2 fields
  • 35 ties

37 scored fields compared

Score by section

Section scoresRedmi K90 MaxRedmi K90 Ultra
Overall
Performance9894
Camera6464
Battery7979
Display9393
Design & durability8587
Connectivity & features7068

Full specifications

Performance

Chipset performance index
Redmi K90 Max: 98/100(Better)
Redmi K90 Ultra: 92/100
Chipset
Redmi K90 Max: Dimensity 9500
Redmi K90 Ultra: Snapdragon 8 Elite
RAM (max)
Redmi K90 Max: 16 GB
Redmi K90 Ultra: 16 GB
Storage (max)
Redmi K90 Max: 1 TB
Redmi K90 Ultra: 512 GB
Process node
Redmi K90 Max: 3 nm
Redmi K90 Ultra: 3 nm

Camera

Main camera resolution
Redmi K90 Max: 50 MP
Redmi K90 Ultra: 50 MP
Main sensor size
Redmi K90 Max: 1/1.55″
Redmi K90 Ultra: 1/1.55″
Optical stabilization (OIS)
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
Ultra-wide camera
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
Telephoto camera
Redmi K90 Max: No
Redmi K90 Ultra: No
Periscope lens
Redmi K90 Max: No
Redmi K90 Ultra: No
Optical zoom
Redmi K90 Max: No
Redmi K90 Ultra: No
Video recording
Redmi K90 Max: 8K
Redmi K90 Ultra: 8K
Front camera
Redmi K90 Max: 20 MP
Redmi K90 Ultra: 20 MP
Front camera 4K video
Redmi K90 Max: No
Redmi K90 Ultra: No

Battery

Battery capacity
Redmi K90 Max: 8550 mAh
Redmi K90 Ultra: 8550 mAh
Wired charging
Redmi K90 Max: 100 W
Redmi K90 Ultra: 100 W
Wireless charging
Redmi K90 Max: No
Redmi K90 Ultra: No
Reverse charging
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
Reverse charging type
Redmi K90 Max: Wired
Redmi K90 Ultra: Wired

Display

Screen size
Redmi K90 Max: 6.83″
Redmi K90 Ultra: 6.83″
Panel type
Redmi K90 Max: OLED
Redmi K90 Ultra: OLED
Refresh rate
Redmi K90 Max: 165 Hz
Redmi K90 Ultra: 165 Hz
Pixel density
Redmi K90 Max: 447 ppi
Redmi K90 Ultra: 447 ppi
Peak brightness
Redmi K90 Max: 3500 nits
Redmi K90 Ultra: 9500 nits
Resolution
Redmi K90 Max: 1280x2772
Redmi K90 Ultra: 1280x2772
Screen protection
Redmi K90 Max: Dragon Crystal Glass
Redmi K90 Ultra: Unknown

Design & durability

Weight
Redmi K90 Max: 227 g
Redmi K90 Ultra: 227 g
Thickness
Redmi K90 Max: 8.2 mm
Redmi K90 Ultra: 8.2 mm
Dust & water resistance
Redmi K90 Max: IP68 + IP69
Redmi K90 Ultra: IP68 + IP69
Back material
Redmi K90 Max: Fiber
Redmi K90 Ultra: Unknown
Frame material
Redmi K90 Max: Aluminum
Redmi K90 Ultra: Aluminum

Connectivity & features

5G
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
Wi-Fi
Redmi K90 Max: Wi-Fi 7
Redmi K90 Ultra: Wi-Fi 7
Bluetooth
Redmi K90 Max: 5.4
Redmi K90 Ultra: 5.4
USB port
Redmi K90 Max: USB-C
Redmi K90 Ultra: USB-C
DisplayPort output
Redmi K90 Max: No
Redmi K90 Ultra: No
NFC
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
eSIM
Redmi K90 Max: No
Redmi K90 Ultra: No
Ultra-wideband (UWB)
Redmi K90 Max: No
Redmi K90 Ultra: No
Satellite connectivity
Redmi K90 Max: No
Redmi K90 Ultra: No
Stereo speakers
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
3.5 mm headphone jack
Redmi K90 Max: No
Redmi K90 Ultra: No
Fingerprint reader
Redmi K90 Max: Under display (ultrasonic)(Better)
Redmi K90 Ultra: Under display (optical)
3D face unlock
Redmi K90 Max: No
Redmi K90 Ultra: No
Infrared blaster
Redmi K90 Max: Yes
Redmi K90 Ultra: Yes
FM radio
Redmi K90 Max: No
Redmi K90 Ultra: No
microSD slot
Redmi K90 Max: No
Redmi K90 Ultra: No
Card slot
Redmi K90 Max: No
Redmi K90 Ultra: No

General

Operating system
Redmi K90 Max: Android 16
Redmi K90 Ultra: Android 16
Launch price
Redmi K90 Max: About 440 EUR
Redmi K90 Ultra: About 390 EUR
Year
Redmi K90 Max: 2026
Redmi K90 Ultra: 2026
Show raw spec text

Original text from the source spec sheet, for reference.

—Redmi K90 MaxRedmi K90 Ultra
Network
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 661, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
Launch
Announced2026, April 212026, June 30
StatusAvailable. Released 2026, April 21Available. Released 2026, June 30
Body
Dimensions162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight227 g (8.01 oz)227 g (8.01 oz)
BuildGlass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer backGlass front, aluminum frame
SIMNano-SIM + Nano-SIM IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Built-in cooling fanNano-SIM + Nano-SIM IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Built-in cooling fan
Display
TypeAMOLED, 68B colors, 165Hz, Dolby Vision, HDR10+, HDR Vivid, 3500 nits (peak)AMOLED, 68B colors, PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 9500 nits (peak)*
Size6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) * Measured at an isolated spot during video playback only
ProtectionDragon Crystal Glass–
Platform
OSAndroid 16, HyperOS 3Android 16, HyperOS 3
ChipsetMediaTek Dimensity 9500 (3 nm)Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPUOcta-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPUArm Mali G1-Ultra MC12Adreno 830 (1200 MHz)
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM UFS 4.1256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM UFS 4.1
Main Camera
Dual50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm
FeaturesLED flash, HDR, panoramaColor spectrum sensor, LED flash, HDR, panorama
Video8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+
Selfie camera
Single20 MP (wide)20 MP (wide)
FeaturesHDR–
Video1080p@30/60fps1080p@30/60fps
Sound
LoudspeakerYes, with stereo speakers (with Dolby Atmos)Yes, with stereo speakers (with Dolby Atmos)
3.5mm jackNo Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audioNo Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Comms
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavICGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
NFCYesYes
Infrared portYesYes
RadioNoNo
USBUSB Type-CUSB Type-C, OTG
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass
Battery
Type8550 mAhSi/C Li-Ion 8550 mAh
Charging100W wired, 100W PPS, PD3.0 22.5W reverse wired100W wired, 100W PPS, PD3.0 22.5W reverse wired
Misc
ColorsSilver, Blue, BlackBlack, Blue, Silver
PriceAbout 440 EURAbout 390 EUR
Models–2604FRK1EC

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