Home Phone comparison Xiaomi 15 and Xiaomi Redmi K90 - Which is better?

Xiaomi 15 vs Xiaomi Redmi K90

93 out 100
Xiaomi 15
VS
91 out 100
Xiaomi Redmi K90
Xiaomi 15
Xiaomi Redmi K90

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi Redmi K90, Manufactured in October, 2025with 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 15
  • Lighter design: 191g vs 206g
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi K90
  • Larger display: 6.59in
  • Higher battery capacity: 7100mAh vs 5400mAh

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
- 16/1024 GB

Review

Key Specs Xiaomi 15 and Xiaomi Redmi K90
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:
Xiaomi 15
vs
Xiaomi Redmi K90

Display

Display quality comparison
Type AMOLED OLED
Size 6.36 in 6.59 in
Resolution 1200x2670 pixels 1156x2510 pixels
Aspect ratio 20:9 19.5:9
Pixel density 460 ppi n/a
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 1500 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 90.1 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15
1508 nits
Xiaomi Redmi K90
n/a
sRGB gamut99.5 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 15]

Design & Build

Design and ergonomics comparison
Height 152.3 mm (6 in) 157.49 mm (6.2 in)
Width 71.2 mm (2.8 in) 75.25 mm (2.96 in)
Thickness 8.08 mm (0.32 in) 8 mm (0.31 in)
Weight 191 g (6.74 oz) 206 g (7.27 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Silver
- Green
- Purple		 - White
- Black
- Blue
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 15
90.1 %
Xiaomi Redmi K90
89.9 %

Performance

Testing Xiaomi 15 and Xiaomi Redmi K90 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
Max Frequency 4320 MHz 4470 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 830
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1100 MHz
FLOPS 3379.2 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15
2934
Xiaomi Redmi K90
2856
Geekbench 6 (Multi-Core)
Xiaomi 15
8762
Xiaomi Redmi K90
8814
Geekbench 6 (Single-Core)29342856
Geekbench 6 (Multi-Core)87628814
Geekbench Compute (GPU)2450724427
Sources: Geekbench v6 [Xiaomi 15], [Xiaomi Redmi K90]
AnTuTu 10
AnTuTu 10
Xiaomi 15
2620144
Xiaomi Redmi K90
3218814
CPU584725916055
GPU11423811150313
Memory519406513749
UX373632638697
NanoReview Score26201443218814
3DMark Wild Life
3DMark Wild Life
Xiaomi 15
20823
Xiaomi Redmi K90
n/a
Sources: 3DMark [Xiaomi 15]
PCMark 3.0
PCMark 3.0
Xiaomi 15
18292
Xiaomi Redmi K90
n/a
Writing score22508n/a
Web score18826n/a
Video editing8060n/a
Data manipulation14605n/a
NanoReview Score18292n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size 21 GB n/a
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 5400 mAh 7100 mAh
Max Charging Power 90 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (83% in 30 min) Yes
Full Charge Time 0:45 h n/a
Battery Life Test
Battery Life
Xiaomi 15
31:54
Xiaomi Redmi K90
n/a
Web Browsing13:20 hn/a
Video Playback19:22 hn/a
Games07:10 hn/a
Standby Mode150 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 2.6x Optical, 2.5x
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 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 960 fps (1080p)
Wide-angle lens 115 ° 120 °
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
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.9
Focal length23 mmn/a
SensorOmniVision OVX9000 Light Fusion 900Omnivision OV50 Light Hunter 800
Sensor size1/1.311/1.55
Pixel size1.2 μm1 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.0f/3.0
Focal length60 mmn/a
SensorSamsung S5KJN5Omnivision OV50M
Sensor size1/2.761/2.76
Pixel size0.64 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.2
Focal length14 mmn/a
SensorSamsung S5KJN1Omnivision OV08F
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15
150
Xiaomi Redmi K90
n/a
Video quality
Xiaomi 15
133
Xiaomi Redmi K90
n/a
Overall camera score
Xiaomi 15
147
Xiaomi Redmi K90
n/a
Bokeh75n/a
Preview87n/a
Zoom152n/a
Sources: DxOMark [Xiaomi 15]

Front camera

Matrix 32 MP 20 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 f/2.2
Focal length 22 mm n/a
Sensor Omnivision OV32B Omnivision OV20B
Sensor size 1/3.14 1/4
Pixel size 0.7 μm 0.8 μm
Autofocus No n/a
Stabilization Digital Digital
Video resolution 2160p (4K) 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/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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 n/a
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
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 *YesNo
Hybrid SlotNoNo
2G BandsGSM B2/B3/B5/B8n/a
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 15
91.3 dB
Xiaomi Redmi K90
n/a

Other

Class Flagship Flagship
Announced October, 2024 yr October, 2025 yr
Release Date October, 2024 yr October, 2025 yr
Launch Price ($) 757 n/a
MSRP ($) n/a 370
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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Survey

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