Home Phone comparison Xiaomi Redmi K90 and Xiaomi Poco F8 Ultra - Which is better?

Xiaomi Redmi K90 vs Xiaomi Poco F8 Ultra

91 out 100
Xiaomi Redmi K90
VS
93 out 100
Xiaomi Poco F8 Ultra
Xiaomi Redmi K90
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Xiaomi Redmi K90 Manufactured in October, 2025, with display 6.59 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025with 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 Xiaomi Redmi K90
  • Lighter design: 206g vs 218g
  • Higher battery capacity: 7100mAh vs 6500mAh
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports DisplayPort
  • Built-in eSIM

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
- 16/512 GB

Review

Key Specs Xiaomi Redmi K90 and Xiaomi Poco F8 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 K90
vs
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type OLED AMOLED
Size 6.59 in 6.9 in
Resolution 1156x2510 pixels 1200x2608 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density n/a 416 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness n/a 2000 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 480 Hz
Screen-to-body ratio 89.9 % 91.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi K90
n/a
Xiaomi Poco F8 Ultra
3501 nits

Design & Build

Design and ergonomics comparison
Height 157.49 mm (6.2 in) 163.3 mm (6.43 in)
Width 75.25 mm (2.96 in) 77.8 mm (3.06 in)
Thickness 8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 206 g (7.27 oz) 218 g (7.69 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Frame Metal Metal
Colors - White
- Black
- Blue
- Purple		 - White
- Black
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K90
89.9 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Xiaomi Redmi K90 and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4470 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K90
2856
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Xiaomi Redmi K90
8814
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)28563553
Geekbench 6 (Multi-Core)881410883
Geekbench Compute (GPU)2442727420
Sources: Geekbench v6 [Xiaomi Redmi K90], [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K90
3218814
Xiaomi Poco F8 Ultra
3865467
CPU9160551163106
GPU11503131394796
Memory513749546277
UX638697761288
NanoReview Score32188143865467

Memory

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

Software

OS Android 16 Android 16
UI Skin HyperOS 3 HyperOS 3

Battery

Volume 7100 mAh 6500 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes (78% in 15 min)
Full Charge Time n/a 0:39 h
Battery Life Test
Battery Life
Xiaomi Redmi K90
n/a
Xiaomi Poco F8 Ultra
32:38
Web Browsingn/a15:14 h
Video Playbackn/a22:44 h
Gamesn/a08:06 h
Standby Moden/a124 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 2.5x 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 960 fps (1080p) 960 fps (1080p)
Wide-angle lens 120 ° 102 °
Lenses count Standard: 50 MP
Telephoto: 50 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
Matrix50 MP50 MP
Aperturef/1.9f/1.7
Focal lengthn/a23 mm
SensorOmnivision OV50 Light Hunter 800Omnivision Light Hunter 950
Sensor size1/1.551/1.31 (0.76)
Pixel size1 μm1.2 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/3.0f/3.0
Focal lengthn/a115 mm
SensorOmnivision OV50MSamsung S5KJN5
Sensor size1/2.761/2.76 (0.36)
Pixel size0.64 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.4
Focal lengthn/a18 mm
SensorOmnivision OV08Fn/a
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor Omnivision OV20B CMOS
Sensor size 1/4 1/3.44 (0.29)
Pixel size 0.8 μm 0.64 μm
Autofocus n/a No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (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 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version n/a 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Flagship
Announced October, 2025 yr November, 2025 yr
Release Date October, 2025 yr November, 2025 yr
MSRP ($) 370 729
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

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