Home Phone comparison ZTE Nubia Z50 Ultra and Xiaomi Redmi K90 Pro Max - Which is better?

ZTE Nubia Z50 Ultra vs Xiaomi Redmi K90 Pro Max

74 out 100
ZTE Nubia Z50 Ultra
VS
93 out 100
Xiaomi Redmi K90 Pro Max
ZTE Nubia Z50 Ultra
Xiaomi Redmi K90 Pro Max

Compared 2 smartphones : ZTE Nubia Z50 Ultra Manufactured in March, 2023, with display 6.8 with chipsetQualcomm Snapdragon 8 Gen 2, vs Xiaomi Redmi K90 Pro Max, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose ZTE Nubia Z50 Ultra
    Reasons to choose Xiaomi Redmi K90 Pro Max
    • Larger display: 6.9in
    • Higher pixel density: 416ppi
    • Lighter design: 218g vs 228g
    • Higher battery capacity: 7560mAh vs 5000mAh
    • Newer Bluetooth version: 5.4 vs 5.3
    • Supports newer USB: 3.2 vs 3.1

    Versions

    Available versions and configurations
    Memory Options - 8/256 GB
    - 12/256 GB
    - 12/512 GB
    - 16/1024 GB    		 - 12/256 GB
    - 12/512 GB
    - 16/512 GB
    - 16/1024 GB

    Review

    Key Specs ZTE Nubia Z50 Ultra and Xiaomi Redmi K90 Pro Max
    Display
    Color accuracy, sharpness & brightness
    Camera
    Main & front camera tests
    Performance
    App & system performance
    Games
    3D gaming performance
    Battery
    Battery life, charging speed & type
    Connectivity
    Connectivity features
    NanoReview Score
    Overall score by NanoReview
    Adjust each parameter’s importance to find the best match for you.
    Customize your score
    Function
    Importance (Weight)
    Display:
    Camera:
    Performance:
    Gaming:
    Battery:
    Connectivity:
    Higher weight means greater impact on NanoReview score.

    Tests & specs

    Specs & test comparison
    Smartphones:
    ZTE Nubia Z50 Ultra
    vs
    Redmi K90 Pro Max

    Display

    Display quality comparison
    Type AMOLED AMOLED
    Size 6.8 in 6.9 in
    Resolution 1116x2480 pixels 1200x2608 pixels
    Aspect ratio 20:9 19.5:9
    Pixel density 400 ppi 416 ppi
    Refresh rate 120 Hz 120 Hz
    Adaptive refresh rate No Yes (1-120 Hz)
    Max brightness 1500 nits n/a
    HDR support Yes HDR10+ Yes, Dolby Vision
    Touch Sampling Rate n/a 480 Hz
    Screen-to-body ratio 89.3 % 91.9 %
    Features - DCI-P3
    - Always-On Display
    - DC dimming    		 - DCI-P3
    - Always-On Display
    - DC dimming

    Design & Build

    Design and ergonomics comparison
    Height 163.9 mm (6.45 in) 163.33 mm (6.43 in)
    Width 76.3 mm (3 in) 77.82 mm (3.06 in)
    Thickness 8.3 mm (0.33 in) 7.9 mm (0.31 in)
    Weight 228 g (8.04 oz) 218 g (7.69 oz)
    Water resistance No IP68
    Cooling system Vapor chamber Vapor chamber
    Back panel Glass n/a
    Frame n/a Metal
    Colors - Black
    - Silver
    - Blue    		 - White
    - Black
    - Blue
    Fingerprint sensor Yes In-Display Yes, In-Display
    Screen-to-body ratio
    ZTE Nubia Z50 Ultra
    89.3 %
    Xiaomi Redmi K90 Pro Max
    91.9 %

    Performance

    Testing ZTE Nubia Z50 Ultra and Xiaomi Redmi K90 Pro Max In benchmarks
    Processor
    Chipset Qualcomm Snapdragon 8 Gen 2 Qualcomm Snapdragon 8 Elite Gen 5
    Max Frequency 3200 MHz 4600 MHz
    CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
    Architecture - 3/2 (Cortex-A510)
    - 2/2.8 (Cortex-A710)
    - 2/2.8 (Cortex-A715)
    - 1/3.2 (Cortex-X3)    		 6/3.63 ()
    Process TSMC TSMC
    Transistor Size 4 nm 3 nm
    Neural Processor Hexagon Hexagon
    Graphics Adreno 740 Adreno 840
    GPU Cores 1536 1536
    GPU Frequency 680 MHz 1200 MHz
    FLOPS 2089 GFLOPS 3686.4 GFLOPS
    GeekBench v6
    Geekbench 6 (Single-Core)
    ZTE Nubia Z50 Ultra
    1886
    Xiaomi Redmi K90 Pro Max
    3719
    Geekbench 6 (Multi-Core)
    ZTE Nubia Z50 Ultra
    5249
    Xiaomi Redmi K90 Pro Max
    11287
    Geekbench 6 (Single-Core)18863719
    Geekbench 6 (Multi-Core)524911287
    AnTuTu 10
    AnTuTu 10
    ZTE Nubia Z50 Ultra
    1575346
    Xiaomi Redmi K90 Pro Max
    3865467
    CPU3883481163106
    GPU6051361394796
    Memory293516546277
    UX288343761288
    NanoReview Score15753463865467
    3DMark Wild Life
    3DMark Wild Life
    ZTE Nubia Z50 Ultra
    13425
    Xiaomi Redmi K90 Pro Max
    n/a
    Stability89 %n/a
    Graphics Test80 fpsn/a
    Graphics Score13425n/a
    Sources: 3DMark [ZTE Nubia Z50 Ultra]

    Memory

    RAM
    RAM Size - 8 GB
    - 12 GB
    - 16 GB    		 12 GB
    Memory Type LPDDR5X LPDDR5X
    Memory Frequency n/a 5300 MHz
    Channels 4 4
    Storage
    Storage Capacity- 256 GB
    - 512 GB
    - 1024 GB    		256 GB
    Storage TypeUFS 4.0UFS 4.1
    Memory CardNoNo

    Software

    OS Android 13 Android 16
    UI Skin MyOS 13 HyperOS 3

    Battery

    Volume 5000 mAh 7560 mAh
    Max Charging Power 80 W 100 W
    Battery Type Li-Po Silicon Carbon (Si/C)
    Removable No Yes
    Wireless Charging No Yes (50 W)
    Reverse Charging No Yes, (Wireless)
    Fast Charging Yes (50% in 14 min) Yes
    Full Charge Time 0:40 h n/a

    Main camera

    Matrix 64 MP 50 MP
    Photo resolution 9000x7000 pixels 8192x6144 pixels
    Zoom Optical, 3.3x Optical, 5x
    Flash Dual LED Dual LED
    Stabilization Optical Optical
    8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
    4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
    Slow Motion n/a 960 fps (1080p)
    Wide-angle lens 116 ° 102 °
    Lenses count Standard: 64 MP
    Telephoto: 64 MP
    Ultra-wide: 50 MP    		 Standard: 50 MP
    Telephoto: 50 MP
    Ultra-wide: 50 MP
    Features - Bokeh effect
    - Pro mode    		 - Bokeh effect
    - Pro mode
    Main lens
    Matrix64 MP50 MP
    Aperturef/1.6f/1.7
    Focal length35 mm23 mm
    SensorSony IMX787Omnivision Light Hunter 950
    Sensor size1/1.71/1.31
    Pixel size0.7 μm1.2 μm
    AutofocusLaser autofocusPhase autofocus (Dual Pixel)
    StabilizationOpticalOptical
    Telephoto
    Matrix64 MP50 MP
    Aperturef/3.3f/3.0
    Focal length85 mm115 mm
    Sensor size1/21/2.76
    Pixel sizen/a0.64 μm
    StabilizationOpticalOptical
    Ultra-wide lens
    Matrix50 MP50 MP
    Aperturef/2.f/2.4
    Focal length14 mm18 mm
    Sensor sizen/a1/2.88
    Pixel sizen/a0.61 μm
    StabilizationDigitalDigital

    Front camera

    Matrix 16 MP 32 MP
    Aperture f/2.0 f/2.2
    Focal length 26 mm 21 mm
    Sensor n/a CMOS
    Sensor size 1/2.8 1/3.44
    Pixel size n/a 0.64 μm
    Autofocus No n/a
    Stabilization Digital Digital
    Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
    TOF 3D sensor No No

    Connectivity

    Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
    Wi-Fi features - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display    		 - Dual Band
    - Wi-Fi MiMO
    - Wi-Fi Direct
    - Wi-Fi Hotspot
    - Wi-Fi Display
    Bluetooth version 5.3 5.4
    Bluetooth features LE LE
    USB type USB Type-C USB Type-C
    USB version 3.1 3.2
    USB features - Charging
    - USB Storage Mode
    - OTG    		 - Charging
    - USB Storage Mode
    - OTG
    DisplayPort Yes Yes
    GPS - GPS
    - GLONASS
    - Beidou
    - Galileo    		 - GPS
    - GLONASS
    - Beidou
    - Galileo
    - QZSS
    - NAVIC
    NFC* Yes Yes
    Infrared Port Yes Yes
    Connectivity
    SIM Count*22
    SIM TypeNanoNano
    SIM ModeDual SIM StandbyDual SIM Standby
    eSIM Support *NoNo
    Hybrid SlotNoNo
    2G Bandsn/aGSM B3/B5/B8
    3G Bandsn/aWCDMA B1/B4/B5/B6/B8/B19
    LTE Bands*n/aLTE (B1/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
    LTE category20n/a
    5G SupportYesYes

    Sound

    Speakers Stereo 2.1
    3.5 mm Jack No No
    FM Radio No No

    Other

    Class Flagship Flagship
    Announced March, 2023 yr October, 2025 yr
    Release Date March, 2023 yr October, 2025 yr
    Launch Price ($) 570 n/a
    Sensors - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor    		 - Proximity Sensor
    - Gyroscope
    - Accelerometer
    - Ambient Light Sensor
    - Compass
    - Fingerprint sensor
    Charger Included Yes 80 W Yes, 100 W

    Note

    ZTE Nubia Z50 Ultra:

    The top configuration with 1024/16 GB has LPDDR5X memory and UFS 4.0 storage, while the others have slower LPDDR5 and UFS 3.1.

    * Attention! Config, frequencies, NFC, and other specs may vary by region.

    Results

    After analyzing the data, we consider Xiaomi Redmi K90 Pro Max the clear winner in this comparison.

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