Xiaomi Poco X6 Pro vs Xiaomi Redmi K90 Ultra

Compared 2 smartphones : Xiaomi Poco X6 Pro Manufactured in January, 2024, with display 6.67 with chipsetMediaTek Dimensity 8300 Ultra, vs Xiaomi Redmi K90 Ultra, Manufactured in June, 2026 with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X6 Pro
  • Lighter design: 186g vs 227g
Reasons to choose Xiaomi Redmi K90 Ultra
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8550mAh vs 5000mAh

Versions

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

Review

Key Specs Xiaomi Poco X6 Pro 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
Adjust each parameter’s importance to find the best match for you.
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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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.67 in 6.83 in
Resolution 1220x2712 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 446 ppi 447 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (30-120 Hz) Yes
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
Display test
Peak brightness (auto)
Xiaomi Poco X6 Pro
1156 nits
Xiaomi Redmi K90 Ultra
n/a
sRGB gamut99.7 %n/a
PWM (Flicker)1923 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 160.45 mm (6.32 in) 162.91 mm (6.41 in)
Width 74.34 mm (2.93 in) 77.93 mm (3.07 in)
Thickness 8.25 mm (0.32 in) 8.18 mm (0.32 in)
Weight 186 g (6.56 oz) 227 g (8.01 oz)
Water resistance IP54 IP69
Cooling system Vapor chamber Active fan
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Gray
- Yellow
- Black
- Silver
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X6 Pro
90 %
Xiaomi Redmi K90 Ultra
90.2 %

Performance

Testing Xiaomi Poco X6 Pro and Xiaomi Redmi K90 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 8300 Ultra Qualcomm Snapdragon 8 Elite
Max Frequency 3350 MHz 4320 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.2 (Cortex-A510)
- 3/3.2 (Cortex-A715)
- 1/3.35 (Cortex-A715)
- 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor MediaTek APU 780 Hexagon
Graphics Mali-G615 MP6 n/a
GPU Cores 768 n/a
GPU Frequency 1400 MHz n/a
FLOPS 2150.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X6 Pro
1502
Xiaomi Redmi K90 Ultra
3261
Geekbench 6 (Multi-Core)
Xiaomi Poco X6 Pro
4779
Xiaomi Redmi K90 Ultra
10224
Geekbench 6 (Single-Core)15023261
Geekbench 6 (Multi-Core)477910224
Geekbench Compute (GPU)4842n/a
AnTuTu 10
AnTuTu 10
Xiaomi Poco X6 Pro
1407210
Xiaomi Redmi K90 Ultra
3233695
CPU296205924949
GPU5395961161971
Memory318606466704
UX252803680071
NanoReview Score14072103233695

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 16
OS Size 36 GB n/a
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 5000 mAh 8550 mAh
Max Charging Power 67 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 18 min) Yes
Full Charge Time 0:45 h n/a
Battery Life Test
Battery Life
Xiaomi Poco X6 Pro
21:20
Xiaomi Redmi K90 Ultra
n/a
Web Browsing08:53 hn/a
Video Playback12:36 hn/a
Games05:17 hn/a
Standby Mode101 hn/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9000x7000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 1920 fps (710p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix64 MP50 MP
Aperturef/1.7f/1.7
Focal length25 mm24 mm
SensorOmnivision OV64Bn/a
Sensor size1/21/1.55 (0.65)
Pixel size0.7 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a15 mm
SensorOmnivision OV08D10n/a
Sensor size1/41/4.0 (0.25)
Pixel size1.12 μm1.14 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 20 MP
Photo resolution 4608x3456 pixels 5184x3888 pixels
Aperture f/2.6 f/2.2
Sensor Omnivision OV16A1Q n/a
Sensor size 1/3.06 n/a
Pixel size 1 μm n/a
Autofocus No 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 6 (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 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM B3/B5/B8
3G BandsWCDMA B1/2/4/5/6/8/19WCDMA B1/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B28/B66)LTE (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 No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X6 Pro
90.3 dB
Xiaomi Redmi K90 Ultra
n/a

Other

Class Mid-range Flagship
Announced January, 2024 yr June, 2026 yr
Release Date January, 2024 yr June, 2026 yr
MSRP ($) 299 440
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W Yes, 100 W

Note

Xiaomi Poco X6 Pro:

There is an eco-leather version of the X6 Pro that is 4 grams heavier and 0.10 thicker.

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

Results

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

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