Home Phone comparison Xiaomi Redmi K80 Ultra and Xiaomi Redmi K90 Ultra - Which is better?

Xiaomi Redmi K80 Ultra vs Xiaomi Redmi K90 Ultra

88 out 100
Xiaomi Redmi K80 Ultra
VS
87 out 100
Xiaomi Redmi K90 Ultra
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K90 Ultra

Compared 2 smartphones : Xiaomi Redmi K80 Ultra Manufactured in June, 2025, with display 6.83 with chipsetMediaTek Dimensity 9400 Plus, vs Xiaomi Redmi K90 Ultra, Manufactured in June, 2026with chipsetQualcomm Snapdragon 8 Elite. 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 Xiaomi Redmi K80 Ultra
  • Lighter design: 219g vs 227g
Reasons to choose Xiaomi Redmi K90 Ultra
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8550mAh vs 7410mAh
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Xiaomi Redmi K80 Ultra and Xiaomi Redmi K90 Ultra
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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi K80 Ultra
vs
Xiaomi Redmi K90 Ultra

Display

Display quality comparison
Type OLED AMOLED
Size 6.83 in 6.83 in
Resolution 1280x2772 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 447 ppi 447 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes Yes
Max brightness 1800 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 480 Hz
Screen-to-body ratio 90 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 162.91 mm (6.41 in)
Width 77.9 mm (3.07 in) 77.93 mm (3.07 in)
Thickness 8.2 mm (0.32 in) 8.18 mm (0.32 in)
Weight 219 g (7.72 oz) 227 g (8.01 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Active fan
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Gray
- Blue
- Green		 - Black
- Silver
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K80 Ultra
90 %
Xiaomi Redmi K90 Ultra
90.2 %

Performance

Testing Xiaomi Redmi K80 Ultra and Xiaomi Redmi K90 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 9400 Plus Qualcomm Snapdragon 8 Elite
Max Frequency 3630 MHz 4320 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor MediaTek NPU 890 Hexagon
Graphics Mali-G925 Immortalis MP12 n/a
GPU Cores 1536 n/a
GPU Frequency 1612 MHz n/a
FLOPS 4952.1 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K80 Ultra
2676
Xiaomi Redmi K90 Ultra
3261
Geekbench 6 (Multi-Core)
Xiaomi Redmi K80 Ultra
8922
Xiaomi Redmi K90 Ultra
10224
Geekbench 6 (Single-Core)26763261
Geekbench 6 (Multi-Core)892210224
Geekbench Compute (GPU)23887n/a
Sources: Geekbench v6 [Xiaomi Redmi K80 Ultra], [Xiaomi Redmi K90 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K80 Ultra
2981860
Xiaomi Redmi K90 Ultra
3233695
CPU612803924949
GPU12092631161971
Memory643114466704
UX516680680071
NanoReview Score29818603233695

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 7410 mAh 8550 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes Yes

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
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 960 fps (1080p) 1920 fps (710p)
Wide-angle lens 119 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.7
Focal length23 mm24 mm
SensorOmnivision OV50 Light Hunter 800n/a
Sensor size1/1.551/1.55 (0.65)
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a15 mm
SensorOmnivision OV08Fn/a
Sensor size1/4.01/4.0 (0.25)
Pixel sizen/a1.14 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 20 MP
Photo resolution n/a 5184x3888 pixels
Aperture n/a f/2.2
Sensor Omnivision OV20B n/a
Sensor size 1/2.0 n/a
Autofocus n/a No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax) 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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version n/a 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - 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/B19/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio n/a No
Dolby Atmos No Yes

Other

Class Flagship Flagship
Announced June, 2025 yr June, 2026 yr
Release Date June, 2025 yr June, 2026 yr
MSRP ($) 900 440
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

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