Home Phone comparison Vivo iQOO 15R and Xiaomi Redmi K90 Ultra - Which is better?

Vivo iQOO 15R vs Xiaomi Redmi K90 Ultra

88 out 100
Vivo iQOO 15R
VS
87 out 100
Xiaomi Redmi K90 Ultra
Vivo iQOO 15R
Xiaomi Redmi K90 Ultra

Compared 2 smartphones : Vivo iQOO 15R Manufactured in March, 2026, with display 6.59 with chipsetQualcomm Snapdragon 8 Gen 5, 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 Vivo iQOO 15R
  • Higher pixel density: 459ppi
  • Lighter design: 202g vs 227g
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports DisplayPort
Reasons to choose Xiaomi Redmi K90 Ultra
  • Larger display: 6.83in
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8550mAh vs 7600mAh
  • Supports Dolby Atmos

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 Vivo iQOO 15R 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.
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:
Vivo iQOO 15R
vs
Xiaomi Redmi K90 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.59 in 6.83 in
Resolution 1260x2750 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 459 ppi 447 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 90.8 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 157.61 mm (6.21 in) 162.91 mm (6.41 in)
Width 74.42 mm (2.93 in) 77.93 mm (3.07 in)
Thickness 7.9 mm (0.31 in) 8.18 mm (0.32 in)
Weight 202 g (7.13 oz) 227 g (8.01 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Active fan
Back panel Plastic n/a
Frame Metal Metal
Colors - Black
- Silver		 - Black
- Silver
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15R
90.8 %
Xiaomi Redmi K90 Ultra
90.2 %

Performance

Testing Vivo iQOO 15R and Xiaomi Redmi K90 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 5 Qualcomm Snapdragon 8 Elite
Max Frequency 3000 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.32 () - 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 829 n/a
GPU Cores 1024 n/a
GPU Frequency 1200 MHz n/a
FLOPS 2457.6 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15R
2698
Xiaomi Redmi K90 Ultra
3261
Geekbench 6 (Multi-Core)
Vivo iQOO 15R
8830
Xiaomi Redmi K90 Ultra
10224
Geekbench 6 (Single-Core)26983261
Geekbench 6 (Multi-Core)883010224
Geekbench Compute (GPU)21113n/a
Sources: Geekbench v6 [Vivo iQOO 15R], [Xiaomi Redmi K90 Ultra]
AnTuTu 10
AnTuTu 10
Vivo iQOO 15R
3272562
Xiaomi Redmi K90 Ultra
3233695
CPU1018344924949
GPU9978451161971
Memory433367466704
UX823006680071
NanoReview Score32725623233695

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 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 OriginOS 6 HyperOS 3

Battery

Volume 7600 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 (46% in 30 min) Yes
Full Charge Time 1:04 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 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 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion n/a 1920 fps (710p)
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/1.8f/1.7
Focal lengthn/a24 mm
Sensor sizen/a1/1.55 (0.65)
Pixel sizen/a1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mm15 mm
Sensor size1/4.0 (0.25)1/4.0 (0.25)
Pixel sizen/a1.14 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 20 MP
Photo resolution n/a 5184x3888 pixels
Aperture f/2.2 f/2.2
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 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 6.0 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 Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - 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 BandsGSM 850/900/1800MHzGSM B3/B5/B8
3G BandsWCDMA B1/B5/B6/B8/B19WCDMA B1/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)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 n/a Yes

Other

Class Mid-range Flagship
Announced February, 2026 yr June, 2026 yr
Release Date March, 2026 yr June, 2026 yr
MSRP ($) 495 440
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.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below