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  3. Redmi K90 Ultra vs nubia RedMagic 11 Air

Xiaomi Redmi K90 Ultra vs ZTE nubia RedMagic 11 Air

What Redmi K90 Ultra does better (10) and where nubia RedMagic 11 Air wins (3) — every spec side by side.

Xiaomi Redmi K90 Ultra
Xiaomi · 2026Redmi K90 Ultra
9.6Score
10 advantages≈ $420
Higher score
vs
ZTE nubia RedMagic 11 Air
ZTE · 2026nubia RedMagic 11 Air
9.5Score
3 advantages≈ $460
9.8Display9.6
9.6Performance9.3
9.0Camera8.9
9.6Battery9.5
9.3Features7.7
Dimensions

Size comparison

Redmi K90 Ultranubia RedMagic 11 Air
77.9 × 162.98.276.5 × 163.88
Redmi K90 Ultranubia RedMagic 11 AirDifference
Height162.9 mm163.8 mm−0.9 mm
Width77.9 mm76.5 mm+1.4 mm
Thickness8.2 mm8 mm+0.2 mm
Weight227 g207 g+20 g

Drawn to the same scale from the official dimensions (front and side).

Why is Redmi K90 Ultra better than nubia RedMagic 11 Air?

  1. Peak brightness9,500 nits vs 1,800 nits5.3×
  2. Battery capacity8,550 mAh vs 7,000 mAh+22%
  3. AnTuTu score3,233,695 vs 2,694,432+20%
  4. Water resistance (IPx)IPx8 vs IPx42×
  5. Refresh rate165 Hz vs 144 Hz+15%
  6. Geekbench 6 (multi-core)10,224 vs 9,891+3%
  7. Pixel density447 ppi vs 431 ppi+4%
  8. Selfie camera20 MP vs 16 MP+25%
  9. Main camera aperturef/1.7 vs f/1.9+12%
  10. Resolution (width)1,280 px vs 1,216 px+5%

Why is nubia RedMagic 11 Air better than Redmi K90 Ultra?

  1. Wired charging100 W vs 120 W+20%
  2. Weight227 g vs 207 g+10%
  3. Thickness8.2 mm vs 8 mm+2%
Specifications

Side by side

Xiaomi Redmi K90 UltraXiaomi Redmi K90 Ultra≈ $4209.6
ZTE nubia RedMagic 11 AirZTE nubia RedMagic 11 Air≈ $4609.5
Design
Weight227 g207 g
Thickness8.2 mm8 mm
Height162.9 mm163.8 mm
Width77.9 mm76.5 mm
FrameAluminium—
Back—Glass
Ingress protectionIP68IP54
Water resistance (IPx)IPx8IPx4
Glass protection—Corning Gorilla Glass 7i
ColoursBlack, Blue, SilverPhantom (Transparent Black), Prism (Transparent White)
Display
Screen size6.8″6.8″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,280 px1,216 px
Resolution (height)2,772 px2,688 px
Pixel density447 ppi431 ppi
Refresh rate165 Hz144 Hz
Peak brightness9,500 nits1,800 nits
Measured brightness—1,515 nits
Screen-to-body ratio90.3%90.7%
HDRYesYes
Performance
ChipsetQualcomm SM8750-AB Snapdragon 8 EliteQualcomm SM8750-AB Snapdragon 8 Elite
Chip makerQualcommQualcomm
Process3 nm3 nm
CPU cores88
CPU frequency4.32 GHz4.32 GHz
GPUAdreno 830Adreno 830
AnTuTu score3,233,6952,694,432
Geekbench 6 (multi-core)10,2249,891
3DMark Wild Life Extreme—6,893
Memory
RAM16 GB16 GB
Storage (max)512 GB512 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.1UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.7f/1.9
Main sensor size1/1.55"1/1.55"
Rear cameras22
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video8K8K
4K video frame rate60 fps60 fps
Selfie camera20 MP16 MP
4K selfie videoNoNo
Battery
Battery capacity8,550 mAh7,000 mAh
Battery typeSi/CSi/C
Active use (test)—17.3 h
Wired charging100 W120 W
Charged in 30 min—74%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB Type-CUSB Type-C 2.0
USB version22
Infrared portYesYes
Dual-band GPSYesYes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Loudspeaker loudness—-21.3 LUFS
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, proximity, gyro, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
InterfaceHyperOS 3Redmagic OS 11

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